Grayce Medical, Ca PC
NPI 1699565655 · General Practice Physician · San Francisco, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grayce Medical, Ca PC is a General Practice Physician organization in San Francisco, CA (NPI 1699565655).
Provider details
- NPI number
- 1699565655
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Shen, President(512) 779-7276
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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2025-05-12
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Grayce Medical, Ca PC's NPI number?
- Grayce Medical, Ca PC's National Provider Identifier (NPI) is 1699565655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grayce Medical, Ca PC?
- Grayce Medical, Ca PC is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Grayce Medical, Ca PC located?
- Grayce Medical, Ca PC's practice location on file with NPPES is 1400 Greenwich St Apt 9, San Francisco, CA 94109-1444.
- What is Grayce Medical, Ca PC's phone number?
- The practice phone number listed in the NPPES registry for Grayce Medical, Ca PC is (628) 237-0813.
- Does Grayce Medical, Ca PC accept Medicare?
- Grayce Medical, Ca PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grayce Medical, Ca PC?
- The authorized official listed on Grayce Medical, Ca PC's NPPES record is Mark Shen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grayce Medical, Ca PC's NPI active?
- Yes — Grayce Medical, Ca PC's NPI (1699565655) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.