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

Dr. Dianna Yan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1710928411

Dr. Dianna Yan, MD is an Obstetrics/Gynecology in Gaithersburg, Maryland. Graduated from Texas Tech University Health Science Center School of Medicine in 1988, 38 years ago. Licensed in Maryland.

Years since qualifying
38
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8909 Shady Grove Ct
Gaithersburg, MD 20877-1308
Phone: (301) 963-0900
Fax: (301) 963-9694
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence D43385 (MD)

Record details

NPI number1710928411
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2006
Last updated in NPPESJuly 16, 2009
Mailing address8909 Shady Grove Ct, Gaithersburg, MD 20877-1308

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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