Sandy Ma, M.D.
NPI 1023156411 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Ma, M.D. is a Family Medicine Physician provider in Seattle, WA (NPI 1023156411).
Provider details
- NPI number
- 1023156411
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD00036091 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 12917 Se 38th St Ste 100Bellevue, WA 98006-1349Phone: (425) 641-4000Fax: (206) 320-5845
Registry dates
- Enumerated
- 2007-02-01
- Last updated
- 2020-10-08
- Certified
- 2020-10-08
Frequently asked questions
- What is Sandy Ma's NPI number?
- Sandy Ma's National Provider Identifier (NPI) is 1023156411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Ma's specialty?
- Sandy Ma is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandy Ma located?
- Sandy Ma's practice location on file with NPPES is 200 15th Ave E, Seattle, WA 98112-5260.
- What is Sandy Ma's phone number?
- The practice phone number listed in the NPPES registry for Sandy Ma is (206) 326-2251.
- Does Sandy Ma accept Medicare?
- Sandy Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Ma's NPI active?
- Yes — Sandy Ma's NPI (1023156411) is active in the NPPES registry as of the last update on 2020-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.