Dianna YanM.D.
Obstetrics & Gynecology·Gaithersburg, MD
Dianna Yan, M.D. is an Obstetrics & Gynecology provider in Gaithersburg, MD, as of July 2026.
- NPI1710928411
- Registered2006
- Class of1988
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Dianna Yan at a glance
- Provider
- Dianna Yan
- Credential
- M.D.
- Specialty
- Obstetrics/Gynecology
- Procedures
- Obstetrics & Gynecology CPT codes
- Location
- Gaithersburg, MD
- Medical school
- Texas Tech University Health Science Center School of Medicine
- Graduated
- 1988
- NPI registered
- 2006
- NPI
- 1710928411
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Dianna Yan practice?
Dianna Yan, M.D. is based in Gaithersburg, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Dianna Yan's NPI number?
Dianna Yan's National Provider Identifier (NPI) is 1710928411, registered in 2006. Specialty on record: Obstetrics/Gynecology; credential M.D.
Where did Dianna Yan go to medical school?
Dianna Yan, M.D. attended Texas Tech University Health Science Center School of Medicine, graduating in 1988.
How many Obstetrics & Gynecology providers in Maryland work at ambulatory surgery centers?
219 Obstetrics & Gynecology surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Dianna Yan among them. The Maryland Obstetrics & Gynecology directory lists each one by city with credential, NPI, and center affiliations.
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