Rene Mai, MD
Pediatrician
11709 S Sam Houston Pkwy E, Ste 12
Houston, TX 77089
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Availability last updated 08/09/2026
Rene Mai, MD
Pediatrician
11709 S Sam Houston Pkwy E, Ste 12
Houston, TX 77089
Dr. William “Bill” Kern, MD is board certified internal medicine physician who practices at Thirlby Clinic, PLC, in Traverse City, MI. He specializes in both preventative medicine as well as management of chronic conditions including diabetes, heart disease, chronic kidney disease, and lung diseases such as asthma/COPD. Dr. Kern is also board certified in Pediatrics, and while he will not be seeing pediatric patients at Thirlby Clinic, he is passionate about caring for young adults who may be seeking a new doctor as they transition out of their own pediatrics practice.
Dr. Kern completed his undergraduate education at The University of Notre Dame. He originally hails from West Virginia, and he returned there for medical school at West Virginia University. He completed his internal medicine/pediatrics residency at The University of Louisville.
Dr. Kern practiced inpatient Medicine at Munson Medical Center in Traverse City prior to joining Thirlby clinic. He continues to maintain active privileges at the Medical Center. He has also maintained affiliation with Michigan State University teaching both residents and medical students rotating in our community.
Dr. Kern, his wife, and children are huge winter sports enthusiasts, particularly skiing. They enjoy any time out on the water during our beautiful Michigan summers.
William Kern, MD
Internist
4110 Copper Ridge Drive
Suite 100
Traverse City, MI 49684
Erica Chen, MD, is a board-certified allergy and immunology specialist practicing at the Allergy and Asthma Specialist Doctors, Inc. location in West Covina, California. Her practice is centered around the treatment of allergic diseases, including nasal allergies and asthma.
Dr. Chen earned her medical degree from the Keck School of Medicine at the University of Southern California. Subsequently, she completed her combined internal medicine pediatric residency and allergy and immunology fellowship training at the Los Angeles County Hospital at the University of Southern California.
Dr. Chen is board certified by the American Board of Allergy and Immunology. She has contributed to multiple peer-reviewed scientific presentations and publications. She also holds numerous professional society memberships, including the American Academy of Allergy Asthma and Immunology and the American College of Allergy, Asthma and Immunology.
Dr. Chen is currently accepting new patients and looks forward to welcoming them to Allergy and Asthma Specialist Doctors, Inc.
Dr. Erica Chen, MD
Allergist
1250 S. Sunset Ave
Suite 340
West Covina, CA 91790
Dr. Okey Nwokolo, MD
Pediatrician
1515 N. Classen Blvd
Ste100
Oklahoma City, OK 73106
Ruby Harmon
Pediatrician
185 East 85th Street
Office 1
New York, NY 10028
Mrs. Rhonda Tootill, FNP
Pediatrician
3505 W. Broadway
Muskogee, OK 74401
Kelly Smith, MD, specializes in pediatric pulmonology and sleep medicine, and is a co-founder of Texas Pediatric Specialties and Family Sleep Center in the Alamo Heights, Shavano Park, and Lockhill-Selma areas of San Antonio, Texas. He has achieved fellowship designation in four areas of medical practice to include sleep medicine, pediatrics, pediatric pulmonology, and internal medicine.
A New Braunfels native, Dr. Smith earned his undergraduate degree from Austin College in Sherman, Texas, and remained in the state to complete his medical degree at the University of Texas Health Science Center in San Antonio. He refined his skills and knowledge through an internship and residency at the University of Kentucky Chandler Medical Center in Lexington, where he was also appointed chief resident of internal medicine and pediatrics.
Fellowship training in pediatric pulmonology at Texas Children’s Hospital and Baylor College of Medicine in Houston came next, followed by research and training in sleep medicine through the Texas Children’s Sleep Center in San Antonio.
Dr. Smith went into private practice in 2007 and worked with his partners to open Texas Pediatric Specialties and Family Sleep Center in 2009. He enjoys working collaboratively to offer the highest possible level of care in pediatric pulmonology and pediatric sleep medicine.
When not working with patients, Dr. Smith enjoys spending time with his wife and two children. Flyfishing, mountain biking, whitewater rafting, and soccer keep him outdoors and active, and he tries to take advantage of all that the San Antonio area has to offer.
Dr. Kelly Smith, MD
Pediatrician
545 Creekside Crossing
Suite 206 (SATELLITE CLINIC)
New Braunfels, TX 78130
Michael Aigbe, MD
Pediatrician
7219 West Sahara Ave
Ste 120
Las Vegas, NV 89117
Michael Marsh, MD, is a neurology specialist with a focus on pediatric neurology and related conditions. He is proud to be part of the Texas Pediatric Specialties and Family Sleep Center team, and of the opportunity to work with families from the Alamo Heights, Shavano Park, and Lockhill-Selma areas of San Antonio, Texas, and the greater region.
Dr. Marsh earned a Masters degree in neuroscience at Syracuse University in New York. He went on to complete his medical degree at St. George’s University School of Medicine in Grenada. Upon returning to the United States, Dr. Marsh completed a residency in pediatric neurology at St. Louis University in Missouri, where he remained for fellowship training.
Among Dr. Marsh’s areas of interest are seizure disorders and migraines. He takes great comfort in treating pediatric patients who are suffering from these complex neurological issues, and in helping them achieve an improved daily quality of life.
Dr. Marsh recognizes the role that parents and other family members play in assisting and supporting kids with neurological issues. He takes the time to educate loved ones about the challenges their family member is facing, and on how to structure family life to be as supportive as possible to all members, not just the patient.
When he’s not working with patients, Dr. Marsh relaxes by fishing, playing soccer, and spending time with his triplet daughters. He’s a firm believer in finding a healthy work/life balance and helps his patients find their own balanced path.
Dr. Michael Marsh, MD
Pediatrician
4374 Lockhill-Selma
Suite 107
San Antonio, TX 78249
Hay Cheam, MD
Pediatrician
2400 Tech Center Ct
Las Vegas, NV 89128
Maria Hoffman-Guardia, MD, is one of the skilled and compassionate pediatricians at Pediatric Associates At Ridge. Dr. Hoffman-Guardia sees patients and their families at the office in Mcallen, Texas. She strives to offer the highest standards of care to everyone she treats.
Dr. Hoffman-Guardia received her medical degree from the University of Panama School of Medicine. She went on to complete her pediatric residency and a one-year training in pediatric critical care medicine at the University of Miami/Jackson Memorial Hospital.
Moving from Central America to the United States enabled Dr. Hoffman-Guardia to become a fluent bilingual speaker of both English and Spanish. She is an active fellow of the American Academy of Pediatrics and is board certified in pediatrics.
Dr. Hoffman-Guardia has been part of the Rio Grande Valley community for over 20 years. She is passionate about education and healthy lifestyle modifications. In her spare time, she enjoys playing tennis.
Dr. Maria Hoffman-Guardia, MD
Pediatrician
1200 E. Ridge Rd.
Suite 12
Mcallen, TX 78503
Tarak Patel, MD, is a caring and compassionate pediatric pulmonologist and a vital part of the team at Texas Pediatric Specialties and Family Sleep Center. He’s deeply touched to have served so many families in the Alamo Heights, Shavano Park, and Lockhill-Selma areas of San Antonio, Texas, area.
Dr. Patel has deep roots in Texas. He began his studies at the University of Texas at Austin, earning his degree in biology. He then studied medicine at Texas Tech University School of Medicine in Lubbock.
He finished his clinical training in El Paso, where he enjoyed expanding his Spanish language skills and narrowed his area of focus to pediatric lung disease, and asthma in particular. He went on to complete his training in pediatric medicine at the University of Texas at Houston. His dedication to continuing education is exemplified through a fellowship in pediatric pulmonology at Texas Children’s Hospital and Baylor College of Medicine, also in Houston.
Throughout his studies, Dr. Patel found a great deal of fulfillment in working with various charitable organizations and in volunteer roles in medical clinics. He also continues to pursue ongoing education through lectures in a wide range of pediatric conditions. That breadth of knowledge has informed and shaped his patient care in countless ways.
Dr. Patel treats each patient as though they were one of his own children. The families that entrust him with their medical needs appreciate that personable approach and are comforted that their children are in the best of hands.
Dr. Tarak Patel, MD
Pediatrician
545 Creekside Crossing
Suite 206 (SATELLITE CLINIC)
New Braunfels, TX 78130
Caleigh Rodriguez, MD, is an internist and pediatrician at her private practice in New Braunfels, Texas. She cares for people of all ages in a friendly setting, improving the health and quality of life of patients and their families. She was born and raised in Texas and is committed to serving the community that molded her into the physician she is today.
Dr. Rodriguez is dual-trained in internal medicine and pediatrics. She has expertise in treating attention-deficit hyperactivity disorder (ADHD), autism, anxiety, and depression. She combines current medical and scientific knowledge with her personal experience, considering each patient's unique characteristics and circumstances when customizing their treatment plans.
Dr. Rodriguez enjoys building relationships with her patients as she cares for them from childhood into adulthood. She has a passion for women’s health and preventive primary care, working together with patients to achieve a common goal of living a healthy, fulfilling life.
She provides medically supervised weight loss, including weight loss injections and hormone replacement therapy if needed. She also provides intrauterine device (IUD) insertion for birth control, minor in-office procedures, women’s health care, well-child exams, and care for newborns and first-time moms
Dr. Rodriguez offers accessible, affordable, adaptable care that meets a patient’s unique needs without negative incentives linked to fee-for-service third-party pay billing. She offers same-day office visits, house calls, convenient telemedicine phone and video calls, emails, and text messages directly with her.
Dr. Rodriguez accepts many insurance plans and has affordable membership plans, allowing patients to receive comprehensive, quality care without the hassle of dealing with insurance companies. She’s adaptable, offering quick care when time is of the essence, and you need prompt medical care.
Dr. Rodriguez welcomes new and existing patients to her practice and looks forward to improving their health and well-being.
Schedule an in-person, home-based, or telehealth appointment with Caleigh Rodriguez, MD, by phone or request one online today.
Dr. Caleigh Rodriguez, MD
Family Physician
790 Generations Dr
Suite 210
New Braunfels, TX 78130
At Portland Wellness Center, Verna Bain, MD, and her team help the communities in and around Portland and Harriman, Tennessee, stay healthy and active with comprehensive wellness care. With services ranging from men’s and women’s health, nutrition, and IV therapy to opioid and pharmaceutical addiction rehabilitation, Dr. Bain and her team help patients achieve optimal wellness.
Dr. Bain earned her medical degree at St. George’s University School of Medicine in Grenada and served her internal medicine residency at the Metropolitan Hospital Center in East Harlem, New York. Dr. Bain is board-certified in internal medicine, sleep medicine, and addiction medicine.
At Portland Wellness Center, the team aims to educate patients about their health and wellness as well as provide comprehensive health care services. The practice is welcoming and soothing so that patients are comfortable and relaxed, whether they’re coming in for a wellness check or addiction counseling.
The practice also never overbooks and schedules sufficient time for patients to meet with the doctors. This reduces the amount of time spent in the waiting room while optimizing patient care.
Dr. Verna Bain, MD
Internist
105 East Market Street
Portland, TN 37148
Dr. Daniel A. Steigelman, M.D., earned his Bachelor of Science in Bioengineering from the University of California, Berkeley, before receiving his medical degree from the Uniformed Services University of the Health Sciences (USUHS) in Bethesda, Maryland. He completed his post-graduate medical training through the San Antonio Uniformed Services Health Education Consortium (SAUSHEC), where he finished both his residency in Pediatrics and his specialized fellowship in Allergy and Immunology.
Dr. Steigelman is double board-certified, holding credentials as a Diplomate of the American Board of Allergy and Immunology and a Diplomate of the American Board of Pediatrics. These certifications qualify him to diagnose and manage allergic, asthmatic, and immunologic conditions in both children and adults. Alongside his clinical work, he has stayed active in medical education, serving as an Associate Professor of Pediatrics and Medicine at USUHS.
Before transitioning to private practice, Dr. Steigelman spent his career as an active-duty physician in the United States Air Force. During this time, his leadership roles included serving as the Consultant to the USAF Surgeon General for Allergy and Immunology and directing SAUSHEC's Transitional Year residency program. Following his retirement from active duty in April 2026, he joined Allergy and Asthma Specialist Doctors, Inc., providing dedicated care to patients in the Los Angeles community.
Dr. Daniel Steigelman, MD
Allergist
1250 S. Sunset Ave
Suite 340
West Covina, CA 91790
Robert Blum, DO, is a compassionate, board-certified pediatrician at Southfield Pediatric Physicians, PC. He provides comprehensive care to infants, children, and adolescents living in and around Bingham Farms and Novi, Michigan.
Dr. Blum received his Doctor of Osteopathy degree from the University of Osteopathic Medicine in Des Moines, Iowa. Afterward, he completed his pediatric residency at William Beaumont Hospital. Dr. Blum makes a continuous effort to stay up-to-date with the latest developments in pediatric medicine and is a fellow of the American Academy of Pediatrics.
At Southfield Pediatric Physicians, PC, Dr. Blum strives to provide the highest quality care to ensure the children in his care are happy and healthy. While he provides a variety of pediatric services, Dr. Blum’s special interests are in behavioral pediatrics and osteopathic manipulative medicine.
In addition to seeing patients at Southfield Pediatric Physicians, PC, Dr. Blum is currently a Clinical Associate Professor at Wayne State University Medical School.
Dr. Robert Blum, DO
Pediatrician
31500 Telegraph Road
105
Bingham Farms, MI 48025
Chad W. Mayer, DO, FAAAAI, FAAP, offers comprehensive care at Allergy & Asthma Institute of Southeast Michigan in Farmington Hills, Michigan. With certification from the American Board of Allergy and Immunology and the American Board of Pediatrics, Dr. Mayer is uniquely qualified to treat children and adults.
Dr. Mayer is a leader in oral immunotherapy (OIT), serving as one of the first doctors in the country to offer this life-changing treatment for people with food allergies.
After receiving a Bachelor of Arts degree at Albion College in Albion, Michigan, Dr. Mayer graduated from Michigan State University College of Human Medicine in Grand Rapids, Michigan.
He continued his training at Henry Ford Hospital in Detroit, Michigan, where he completed his pediatric residency and was honored to serve as the pediatric chief resident. Dr. Mayer received pediatric and adult allergy/immunology fellowship training at Louisiana State University in Baton Rouge, Louisiana.
Before entering private practice, Dr. Mayer was the Associate Pediatric Program Director at Bi-County Community Hospital in Warren, Michigan. He has co-authored numerous articles published in prestigious medical journals, exploring essential topics such as granulomatous disease in infants and the management of food allergies.
Dr. Mayer is affiliated with five hospitals: Detroit Medical Center Huron Valley-Sinai Hospital in Commerce Township, Michigan, Ascension Providence Hospital in Novi and Southfield, Michigan, Beaumont Hospital in Royal Oak, Michigan, Trinity Health Oakland Hospital in Southfield, Michigan, and McLaren Oakland Hospital in Pontiac, Michigan.
Dr. Chad Mayer, DO
Allergist
27655 Middlebelt
Ste 100
Farmington Hills, MI 48334
Preeti Thabolingam, MD, or “Dr. T,” as she’s known around the office, is a board-certified pediatrician at Southfield Pediatric Physicians, PC. Dr. Thabolingam sees patients at the practice’s two convenient office locations in Bingham Farms and Novi, Michigan.
Dr. Thabolingam completed her undergraduate studies at the University of Illinois and went on to receive her medical degree from Ross Medical School. She completed her residency in pediatrics at Hurley Medical Center in Flint, Michigan.
At Southfield Pediatric Physicians, PC, Dr. Thabolingam provides the full scope of pediatric care. She loves working with all pediatric age groups and is passionate about ensuring the health and well-being of children from birth through adulthood. Partnering with parents, she offers personalized treatment to each child in her care.
When she’s not in the office, Dr. Thabolingam enjoys spending time with her family. She and her husband, a local internal medicine doctor, recently welcomed their first child.
Dr. Preeti Thabolingam, MD
Pediatrician
39525 W 14 Mile Road
200A
Novi, MI 48377