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

Yan Geng, MD

Individual provider Family Medicine Physician · NPI 1104146620

Yan Geng, MD is a Family Practice in Lacey, Washington. Qualified in 1999, 27 years ago. Practices with Providence Health and Services Washington, a 480-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
27
Licensed in
WA
In the registry since
2010
Specialties on file
2
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

1450 NW Ln SE Ste A
Lacey, WA 98503-6908
Phone: (360) 491-4460
Fax: (360) 491-3090
Show map & directions

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

Specialties & licences

Geriatric Medicine (Family Medicine) Physician (primary) Taxonomy 207QG0300X · Licence MD60556212 (WA)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD60556212 (WA)

Record details

NPI number1104146620
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2010
Last updated in NPPESMay 19, 2021
Certification dateMay 19, 2021
Mailing addressPo Box 3360, Portland, OR 97208-3360

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesGERIATRIC MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Providence Health And Services Washington — 480 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Lacey