Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ann Marie Stephenson Thomas, DO

Individual provider Gastroenterology Physician · NPI 1376742601

Dr. Ann Marie Stephenson Thomas, DO is a Gastroenterology in Rockville, Maryland. Graduated from Philadelphia College of Osteopathic Medicine in 2003, 23 years ago. Practices with Capital Digestive Care LLC, a 239-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
23
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
NJ
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

9420 Key West Avenue Ste 202
Rockville, MD 20850
Phone: (301) 251-9555
Fax: (301) 309-0765
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 25MB08301600 (NJ)

Record details

NPI number1376742601
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 17, 2007
Last updated in NPPESJanuary 24, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2003 (23 years in practice)
Group practice Capital Digestive Care Llc — 239 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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