Cardiologists near you

Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Chicago, IL
  4. Dallas, TX
  5. Denver, CO
  6. Detroit, MI
  7. Houston, TX
  8. Los Angeles, CA
  9. Miami, FL
  10. New York, NY
  11. Orlando, FL
  12. Philadelphia, PA
  13. Phoenix, AZ
  14. Riverside, CA
  15. San Antonio, TX
  16. San Diego, CA
  17. San Francisco, CA
  18. Seattle, WA
  19. Tampa, FL
  20. Washington, DC

Chiropractors near you

Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dentists near you

Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Dermatologists near you

Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Chicago, IL
  5. Dallas, TX
  6. Denver, CO
  7. Detroit, MI
  8. Houston, TX
  9. Los Angeles, CA
  10. Miami, FL
  11. Minneapolis, MN
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. St. Louis, MO
  21. Tampa, FL
  22. Washington, DC

Family Physicians near you

Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

OB-GYNs near you

OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Ophthalmologists near you

Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Diego, CA
  19. San Francisco, CA
  20. St. Louis, MO
  21. Tampa, FL
  22. Washington, DC

Orthopedic Surgeons near you

Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. New York, NY
  13. Orlando, FL
  14. Philadelphia, PA
  15. Phoenix, AZ
  16. Riverside, CA
  17. San Antonio, TX
  18. San Diego, CA
  19. San Francisco, CA
  20. Seattle, WA
  21. Tampa, FL
  22. Washington, DC

Pediatricians near you

Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Physical Therapists near you

Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Podiatrists near you

Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC

Psychiatrists near you

Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.

  1. Atlanta, GA
  2. Baltimore, MD
  3. Boston, MA
  4. Charlotte, NC
  5. Chicago, IL
  6. Dallas, TX
  7. Denver, CO
  8. Detroit, MI
  9. Houston, TX
  10. Los Angeles, CA
  11. Miami, FL
  12. Minneapolis, MN
  13. New York, NY
  14. Orlando, FL
  15. Philadelphia, PA
  16. Phoenix, AZ
  17. Riverside, CA
  18. San Antonio, TX
  19. San Diego, CA
  20. San Francisco, CA
  21. Seattle, WA
  22. St. Louis, MO
  23. Tampa, FL
  24. Washington, DC
Dr. Dina Diehl, DO, Internist

Dr. Dina Diehl, DO

Internist

13108 Dallas Parkway
Suite 430
Frisco, TX

Overall rating

4.8

Top reviews

As a an executive with a busy schedule, working with Dr. Diehl as a patient can only be described as : Focused, Precise, Reassuring, and Confident. I appreciate the flexibility and support Dr Diehl and the entire Signature teamShow more provides. I always walk away feeling better. Cheers !

Gregory M. • May 01, 2023

For the first time I felt heard and listened to. Dr Diehl is simply amazing and treats the whole person not just symptoms. It is worth it!

Tammye G. • February 28, 2023

Read more reviews

Got questions for
Dr. Dina Diehl, DO?


About Dr. Dina Diehl, DO

Dina Diehl, DO, is a highly trained and skilled board certified internal medicine and certified functional medicine specialist at Signature Internal Medicine in Frisco, Texas. She has practiced for over 15 years with medical experience at Texas Health, Plano, as a hospitalist and outpatient internist. She has an impressive educational background.

Dr. Diehl completed medical school at Philadelphia College of Osteopathic Medicine in Philadelphia, Pennsylvania. She then attended a residency program at Summa Health System in Akron, Ohio, and also completed some training at the esteemed Cleveland Clinic in Ohio.

Dr. Diehl is only 1 of 1900 providers worldwide that have earned a certification in functional medicine. 

Functional medicine is an individualized patient-centered scientific-based approach that allows patients and the practitioner to work together to address the root cause of disease instead of just treating the symptoms and she uses this approach to promote optimal wellness.  Dr. Diehl combines conventional internal medicine with functional medicine concepts to help her patients achieve their best health.

Dr. Dina Diehl's focus and passion is on health and wellness and is proactive with preventative care. She has experience in treating many chronic conditions such as hypertension, diabetes, hypercholesterolemia, hormone therapy, gut issues and obesity to name a few. She not only treats these conditions but looks to find the root cause of the disease so she can see why her patients are truly unwell. 

In addition to standard lab tests, Dr. Diehl will use advanced testing to look deeper at patients hormone metabolism, gut microbiomes, adrenal gland function, vitamins and genetics when needed.   By using cutting-edge, holistic  testing and technologies Dr. Diehl is able to help patients take control of their health and works closely with her patients during their health care journey . Her caring, friendly demeanor makes them feel comfortable during each visit

 
Dr. Diehl maintains her medical credentials to stay current with the latest internal and functional medicine advances. She holds medical licenses in Texas, and is a member of the American College of Physicians and Institute for Functional Medicine. 
  
In her free time, Dr. Diehl loves spending time with her family and friends, traveling, running, golfing, and skiing, as well as watching her children’s sports games and maintaining a healthy lifestyle. 
Dr. Diehl looks forward to caring for her patients using a concierge medicine model, allowing them 24/7 access to providers, same-day appointments, and little to no office wait times. She welcomes them to Signature Internal Medicine and enjoys exceeding their health care expectations.

 

Dr. Diehl's Memberships and Awards:

  • Certified Functional Medicine Provider (1 of 1900 in the world)
  • Board Certified in Internal Medicine
  • Member of  American Medical Association
  • Member of Institute of Functional Medicine
  • Board Certified in Obesity Medicine 
  • American College of Physicans 
  • National Committee for Quality Assurance Excellence in Diabetes Care 2017
  • Board member at Texas Health Presbyterian, 2010 
  • Certificate of Recognition for Delivery of Quality Cardiovascular and Stroke Care 2017-2020
  • Top Internist/Top Doctor 2023 
  • America's Most Honored Professionals 2019 - Top 5%
  • America's Most Honored Professionals 2018 - Top 1%
  • America's Most Honored Professionals 2017 - Top 5%
  • Compassionate Doctor 2015
  • Compassionate Doctor 2016
  • On-Time Physician Award - 2016
  • On-Time Physician Award - 2015
  • Patients' Choice 2016
  • Patients' Choice 2018





Services, Conditions and Procedures

Annual Physical

Cancer Screening

Diabetes

Weight Loss

Internal Medicine

Functional Medicine

Hypertension

COPD

Hormone Replacement

GERD

Kidney Disease

High Cholesterol

Osteoporosis

Thyroid Disease

Mental Health

Concierge Medicine


Location

Signature Internal Medicine

13108 Dallas Parkway
Suite 430
Frisco, TX, 75034


More About Dr. Dina Diehl, DO

Practice

Signature Internal Medicine

Specialties

  • Internist

NPI Number

1083732812

Provider's Gender

Female


Reviews

4.8
7 Reviews

Excellent!

Lanette H. • December 20, 2023

Quick, detailed, and comprehensive appointment with her!

Umar A. • July 24, 2023

As a an executive with a busy schedule, working with Dr. Diehl as a patient can only be described as : Focused, Precise, Reassuring, and Confident. I appreciate the flexibility and support Dr Diehl and the entire Signature team provides. I always walk away feeling better. Cheers !

Gregory M. • May 01, 2023

For the first time I felt heard and listened to. Dr Diehl is simply amazing and treats the whole person not just symptoms. It is worth it!

Tammye G. • February 28, 2023

Wonderful doctor!

Mary S. • November 22, 2022

Love the personal, confident approach to medical care that Dr Diehl provides. She listens, finds the best solutions, and offers quality follow up. A great experience.

Gregory M. • October 18, 2022

It was a good experience

Munawar A. • August 19, 2022

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