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About Dr. Dhamija

Manish Dhamija, MD, is a board-certified gastroenterologist at Advanced GI, LLC. He has greater than 10 years of clinical experience in gastroenterology and is dedicated to serving patients in the Lake View/Lincoln Park area of Chicago, Illinois as well as patients who hail from various other neighborhoods throughout the Chicagoland area.

After graduating from Xavier University in Cincinnati, OH with a Bachelors of Science in Natural Sciences, Dr. Dhamija earned his medical degree from University of Cincinnati College of Medicine. He completed his internship and residency at University of Illinois Hospital in Chicago followed by fellowship training in gastroenterology at University of South Florida in Tampa, FL. He also completed subspecialty fellowship training in Hepatology at University of Illinois Hospital in Chicago.

Post-fellowship, Dr. Dhamija worked in academics as a clinical assistant professor at a hospital associated with Midwestern University where he spent time teaching medical students and residents while training gastroenterology fellows.

Dr. Dhamija takes pride in providing comprehensive and thorough GI care to his patients. He aims to treat patients with respect and with open dialogue so that they feel they are an inherent part of their medical decision making and treatment plan. Dr. Dhamija is currently a member of the American Gastroenterological Association, the American College of Gastroenterology, and the American Society of Gastrointestinal Endoscopy.

In his free time, Dr. Dhamija enjoys music, arts/entertainment, traveling, exercising, and spending time with family, friends, and his dog.

Mohamad Al-Massalkhi, MD, is a critical care and pulmonary medicine physician at Midwest Respiratory Ltd., which has offices in Joliet and New Lenox, Illinois. He is board-certified in critical care medicine, pulmonary disease medicine, sleep medicine, hospice and palliative care medicine, and internal medicine. He has over 30 years of experience working in the medical field.

Dr. Al-Massalkhi completed medical school at Damascus Medical School in Syria in 1991. After relocating to the United States, Dr. Al-Massalkhi completed his internship at Mercy Hospital and Medical Center in Chicago. He then completed fellowships in critical care and pulmonary sleep medicine at Rosalind Franklin University. 

Dr. Al-Massalkhi specializes in treating patients with asthma, COPD, emphysema, lung disease, lung cancer, and sarcoidosis. He also can assist patients with smoking cessation and tobacco use disorder. 

To schedule an appointment with Dr. Al-Massalkhi, call the nearest Midwest Respiratory Ltd. office or request an appointment using the online booking feature today. 

Midwest Respiratory, Ltd., which has offices in Joliet and New Lenox, Illinois, offers comprehensive pulmonary, critical care, and sleep medicine services to patients in the greater Southwest Chicago suburbs. This specialty group has highly qualified staff led by dedicated board-certified physicians with many years of experience serving their communities.

Our goal is to be the leading resource for patient health care needs, from advanced cardiovascular life support and neurointensive ventilator care to managing asthma and successful smoking cessation.

Our team at Midwest Respiratory, Ltd. often diagnoses and treats lung cancer, pleural disease, pneumonia, asthma, chronic obstructive pulmonary disease (COPD), tuberculosis, bronchiectasis, sarcoidosis, and interstitial lung diseases like pulmonary fibrosis.

Extensive onsite pulmonary function testing, including spirometry and oxygen titration, enables patients to receive a fast and accurate diagnosis.

The practice also has advanced technologies to diagnose and stage lung cancer, manage COPD, determine the cause of chronic coughs, shortness of breath, and other breathing problems. These include endobronchial ultrasound (EBUS), endobronchial valve therapy, Ion™ robotic-assisted bronchoscopy, and other advanced bronchoscopic techniques..

Midwest Respiratory, Ltd. also offers in-lab sleep studies at the Midwest Sleep Disorders Center and home sleep studies for patients who may have obstructive or central sleep apnea, insomnia, or other sleep disorders. The providers also evaluate and manage a patient’s oxygen needs.

Patients visiting Midwest Respiratory, Ltd. can be sure of receiving exceptional health care from doctors, advanced practice professionals, and staff trained and certified to provide comprehensive adult respiratory services. Call the nearest office to learn more, or schedule a consultation by completing the online booking form today.

Nischal Raya, MD, is a pulmonary and critical care medicine physician at Midwest Respiratory Ltd., which has offices in Joliet and New Lenox, Illinois. He is board-certified in pulmonary diseases, critical care medicine, and internal medicine. 

Dr. Raya earned his Bachelor of Science at the Ohio State University in Columbus, Ohio, where he graduated magna cum laude in 2011. He then earned his Doctor of Medicine from The University of Toledo, located in Toledo, Ohio. He then went on to complete his internship and fellowships in pulmonary medicine and critical care at RUSH University Medical Center in Chicago. 

To stay up to date with the latest advancements in medicine, Dr. Raya maintains professional memberships with the American Thoracic Society, the Society of Critical Care Medicine, the American College of Physicians, and the American Medical Association.

At Midwest Respiratory Ltd., Dr. Raya treats a wide range of conditions but specializes in treating patients with lung and respiratory issues, like asthma, pneumonia, COPD, emphysema, and complicated chest infections. He also welcomes patients seeking treatment for breathing issues or post-COVID care to schedule an appointment at Midwest Respiratory Ltd.

To schedule an appointment with Dr. Raya, call the nearest Midwest Respiratory Ltd. office or request an appointment online today. 

Diana Doeing, MD, is an internal medicine, pulmonary medicine, and critical care physician at Midwest Respiratory, Ltd., providing high-quality respiratory care to people in Joliet and New Lennox, Illinois.

Dr. Doeing studied at the University of Chicago Pritzker School of Medicine, earning her medical degree. After graduation, she remained at the University of Chicago and completed an internship, a residency, and a fellowship.

At Midwest Respiratory, Ltd., Dr. Doeing diagnoses and treats various respiratory ailments, including emphysema and chronic cough. She has special interests in severe asthma, lung cancer, and advanced bronchoscopy.

Dr. Doeing is a member of several professional organizations, including the Midwest Institute of Robotic Surgery. She also holds staff privileges at Silver Cross Hospital and routinely performs robotic-assisted surgeries to improve respiratory health and quality of life. 

Outside of work, Dr. Doeing is active in the respiratory care community. She regularly participates in continuing education and enjoys attending industry conferences and events. Dr. Doeing welcomes anyone seeking improved respiratory health to Midwest Respiratory, Ltd.

Philip Leung, MD, is a board-certified pulmonary disease, critical care medicine, and sleep medicine physician at Midwest Respiratory, Ltd., providing complete respiratory care to adults in Joliet and New Lennox, Illinois.

Dr. Leung brings more than 20 years of experience to the practice. He studied at the Li Ka Shing Faculty of Medicine, University of Hong Kong, earning his medical degree.

After graduation, Dr. Leung moved to the United States and completed an internship, residency, and fellowship at Loyola University Medical Center in Maywood, Illinois. He received extensive training in all aspects of pulmonary and sleep disorders.

At Midwest Respiratory, Ltd., Dr. Leung diagnoses and treats a variety of pulmonary and sleep conditions and has special interests in sleep apnea, home noninvasive ventilation, asthma, chronic cough, and narcolepsy.

Dr. Leung speaks English and Chinese fluently. He is a compassionate physician and he works with patients to achieve lasting symptom relief and improve quality of life.

Dr. Leung welcomes anyone experiencing respiratory or sleep issues to schedule an appointment at Midwest Respiratory, Ltd. today.

Dr. Firas Zakaria is an internal medicine specialist with offices in Palos Heights, Illinois. He welcomes residents from Palos Heights and its surrounding communities to experience health care that’s focused on wellness and creating long-term patient-physician relationships. His practice is a patient-first approach that includes safe and effective management of both acute illnesses and long-term chronic diseases such as diabetes, heart disease, and hypertension.

Dr. Zakaria combines his extensive medical training and skill with a passion for optimizing the health and well-being of every patient. He received his medical degree from the prestigious Damascus University School of Medicine. He completed a residency program in pathology at the University of Damascus and a second residency in internal medicine at Chicago’s Mercy Hospital and Medical Center.

As a primary care physician, Dr. Zakaria is skilled in supervising all facets of his patients’ health. He’s well known for his longer than average appointment times, which allow him the opportunity to truly understand the needs and concerns of his patients. Rather than simply writing a prescription for high-risk medications such as narcotics or sedatives for symptom management, Dr. Zakaria is dedicated to discovering and resolving the underlying issues causing those symptoms.

His comprehensive approach to patient care includes being available to his patients for same-day or next-day appointments when necessary. He’s also an experienced hospitalist who continues to follow his patients during hospitalizations and after acute care/emergency department visits.

Board-Certified Internal Medicine Physician
Founder & CEO – Midwest Wellness & Wound Care

Dr. Kinya Kamau, MD, is a Board-Certified Internal Medicine physician and the Founder and Chief Executive Officer of Midwest Wellness & Wound Care, a physician-directed multi-state medical organization specializing in mobile wound care, chronic disease management, and telemedicine services.

With more than 20 years of clinical experience, Dr. Kamau has dedicated her career to improving outcomes for medically complex patients through evidence-based care delivered directly at the bedside. Her work focuses on patients living with chronic wounds, diabetes, vascular disease, mobility limitations, and other conditions that interfere with healing.

Dr. Kamau leads a physician-directed wound care program that delivers advanced bedside wound management in skilled nursing facilities, assisted living communities, rehabilitation centers, and private residences across multiple states. Her model integrates Internal Medicine expertise, regulatory compliance, and structured clinical workflows to improve healing outcomes while supporting healthcare facilities with Medicare-aligned documentation.

Her mission is simple but powerful: provide compassionate, evidence-driven care that restores health, mobility, and dignity for patients living with chronic wounds.

Dr. Kamau brings more than two decades of medical experience in Internal Medicine and complex chronic disease management. Her clinical background includes extensive experience caring for medically fragile adults in hospital, outpatient, and post-acute care settings.

She has dedicated much of her career to treating patients with:

• chronic wounds

• diabetes

• vascular disease

• renal dysfunction

• mobility limitations

These conditions frequently impair wound healing and require a comprehensive medical approach.

Dr. Kamau earned her Doctor of Medicine degree from the University of Nairobi, where she developed a strong academic foundation in internal medicine, complex disease management, and patient-centered clinical care.

She later completed her Internal Medicine residency at the University of Oklahoma, where she refined her expertise in diagnosing and managing complex medical conditions affecting adult patients.

Following residency, Dr. Kamau completed advanced fellowship training in nephrology, expanding her expertise in:

• kidney disease

• hypertension

• electrolyte disorders

• metabolic conditions

• systemic illnesses that influence wound healing

Dr. Kamau currently maintains active medical licenses in multiple U.S. states, allowing her to oversee physician-directed wound care services across diverse healthcare environments including:

• skilled nursing facilities

• assisted living communities

• rehabilitation centers

• private residences

Through Midwest Wellness & Wound Care, she leads a multi-state physician wound care program designed to deliver advanced bedside wound treatment while maintaining strict alignment with Medicare documentation standards and regulatory compliance requirements.

Board Certification
Internal Medicine

Medical School
University of Nairobi – Doctor of Medicine

Residency Training
Internal Medicine – University of Oklahoma

Fellowship Training
Nephrology- University of Oklahoma

Clinical Experience
20+ years in Internal Medicine and complex chronic disease management

Clinical Focus

• Mobile wound care

• Chronic wound management

• Diabetic wound care

• Pressure injury management

• Post-acute care medicine

Practice Model

Physician-directed mobile wound care and telemedicine services

Practice Leadership

Founder & CEO – Midwest Wellness & Wound Care

Practice Settings

• Skilled nursing facilities

• Assisted living communities

• Rehabilitation centers

• Private residences

Dr. Kamau earned her Doctor of Medicine degree from the University of Nairobi, where she developed a strong foundation in internal medicine, complex disease management, and patient-centered clinical care.

She later completed her Internal Medicine residency training at the University of Oklahoma, where she further refined her expertise in diagnosing and managing complex medical conditions affecting adult patients.

Internal Medicine training provides a comprehensive understanding of the interconnected systems that influence healing. Conditions such as:

• diabetes

• cardiovascular disease

• kidney dysfunction

• malnutrition

• vascular compromise

frequently contribute to delayed wound healing.

Dr. Kamau’s training enables her to evaluate wounds within the full medical context of the patient rather than focusing solely on the skin surface. This systemic perspective forms the foundation of her approach to chronic wound management.

As a Board-Certified Internal Medicine physician, Dr. Kamau approaches wound care through the lens of whole-patient medicine.

Chronic wounds rarely exist in isolation. They often develop because of underlying physiologic dysfunction that impairs tissue repair.

Common systemic contributors include:

• diabetes and poor glycemic control

• peripheral vascular disease

• venous insufficiency

• cardiac disease

• renal impairment

• malnutrition

• neuropathy

• immobility

• medication side effects

• chronic inflammation

By addressing these root contributors alongside local wound treatment, Dr. Kamau’s approach improves healing potential and reduces the risk of complications such as infection, hospitalization, or limb loss.

This integrated medical strategy is a key differentiator between physician-directed wound care and fragmented treatment models that rely solely on topical wound management.

Dr. Kamau founded Midwest Wellness & Wound Care to address a critical gap in post-acute medicine.

Many patients with chronic wounds live in environments where transportation to specialty wound clinics is difficult or unsafe. Skilled nursing residents, assisted living residents, and homebound individuals often experience delays in wound evaluation simply because they cannot easily travel to outpatient facilities.

The mobile wound care model solves this problem by bringing advanced wound care directly to the patient.

Under Dr. Kamau’s leadership, Midwest Wellness & Wound Care provides physician-directed bedside wound care services that allow patients to receive specialized treatment in the environment where they live.

This model improves:

• access to care

• early wound detection

• treatment timeliness

• interdisciplinary communication

• patient comfort and safety

It also allows physicians to observe real-world factors affecting wound healing, including mobility limitations, pressure exposure, nutritional status, and environmental risks.

Dr. Kamau currently holds active medical licenses in numerous states across the United States, allowing her organization to expand access to physician-directed wound care services across diverse regions.

States where Dr. Kamau is licensed in over 40 states. 

Operating across multiple states requires a deep understanding of regulatory frameworks, payer policies, and state medical board requirements.

Dr. Kamau’s leadership includes oversight of:

• multi-state physician licensing

• Medicare credentialing

• payer enrollment

• corporate practice of medicine compliance

• telemedicine regulations

• Medicare Administrative Contractor policy alignment

This regulatory fluency allows Midwest Wellness & Wound Care to expand safely while maintaining strict compliance with healthcare laws and reimbursement guidelines.

Mobile wound care represents a major advancement in how chronic wounds are treated.

Traditional wound care models rely heavily on outpatient clinics or hospital-based services, which can create barriers for medically fragile patients.

Dr. Kamau’s physician-directed mobile wound care model places advanced wound care directly at the bedside.

Patients may receive care in:

• skilled nursing facilities

• assisted living communities

• rehabilitation centers

• long-term care facilities

• private residences

By eliminating transportation barriers, patients receive faster evaluations and more consistent follow-up.

Early intervention is one of the most important factors influencing wound healing outcomes.

Dr. Kamau’s clinical program manages a wide range of wound conditions commonly seen in post-acute medicine.

These include:

Diabetic Foot Ulcers
Neuropathy, vascular compromise, and metabolic dysfunction contribute to tissue breakdown.

Pressure Injuries
Prolonged pressure restricts blood flow and damages tissue.

Venous Leg Ulcers
Venous insufficiency and edema lead to chronic lower extremity wounds.

Arterial Ulcers
Poor arterial circulation limits oxygen delivery to tissues.

Post-Surgical Wounds
Incisions may fail to heal due to infection or systemic illness.

Traumatic Wounds
Skin tears and injuries are common in elderly populations.

Chronic Non-Healing Wounds
Persistent wounds require a comprehensive medical approach.

Every wound evaluation follows a standardized clinical protocol that includes:

• precise wound location documentation

• wound length, width, and depth measurement

• tissue type identification

• exudate evaluation

• periwound assessment

• infection surveillance

• perfusion evaluation

• pressure offloading strategies

This structured methodology supports accurate monitoring of wound progression and Medicare-compliant documentation.

Treatment plans are tailored to each patient and may include:

• conservative sharp debridement

• antimicrobial dressings

• moisture-balance therapy

• collagen-based wound matrices

• compression therapy

• edema management

• negative pressure wound therapy

• cellular and tissue-based products when appropriate

Providing wound care in long-term care environments requires careful adherence to Medicare documentation standards.

Dr. Kamau’s program emphasizes:

• medical necessity documentation

• CPT coding accuracy

• ICD-10 diagnosis specificity

• Local Coverage Determination adherence

• wound progression documentation

• treatment response monitoring

In addition to mobile wound care, Dr. Kamau oversees telemedicine services that expand access to medical care.

Services may include:

• primary care consultations

• chronic disease follow-up

• medication management

• behavioral health support

• preventive care evaluations

Telehealth allows patients to receive ongoing medical support between in-person visits while maintaining continuity of care.

At the center of Dr. Kamau’s work is a commitment to improving the lives of patients living with chronic wounds and complex medical conditions.

A wound care physician specializes in diagnosing and treating chronic wounds such as diabetic foot ulcers, pressure injuries, venous leg ulcers, arterial ulcers, and non-healing surgical wounds. They provide advanced wound treatments, debridement procedures, and medical oversight to support healing.

Patients should see a wound care physician when a wound does not improve after several weeks of standard treatment, or when conditions such as diabetes, vascular disease, or immobility increase the risk of delayed healing.

Yes. Many wound care physicians provide bedside services in skilled nursing facilities, assisted living communities, rehabilitation centers, and private homes to ensure patients receive timely evaluation and treatment.