Justin Quock, M.D., Inc.
NPI 1255647251 · Primary Care Clinic/Center · San Francisco, CA
Justin Quock, M.D., Inc. is a Primary Care Clinic/Center organization in San Francisco, CA (NPI 1255647251).
Provider details
- NPI number
- 1255647251
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Justin Quock, President(415) 398-5100
- License
- A55916 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs 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
Other names (DBA / former)
- Doing business as
- Justin P. Quock, M.D.,
Registry dates
- Enumerated
- 2010-08-27
- Last updated
- 2012-09-28
Frequently asked questions
- What is Justin Quock, M.D., Inc.'s NPI number?
- Justin Quock, M.D., Inc.'s National Provider Identifier (NPI) is 1255647251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Justin Quock, M.D., Inc.?
- Justin Quock, M.D., Inc. is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Justin Quock, M.D., Inc. located?
- Justin Quock, M.D., Inc.'s practice location on file with NPPES is 929 Clay St, San Francisco, CA 94108-1556.
- What is Justin Quock, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Justin Quock, M.D., Inc. is (415) 398-5100.
- Who is the authorized official for Justin Quock, M.D., Inc.?
- The authorized official listed on Justin Quock, M.D., Inc.'s NPPES record is Justin Quock, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Justin Quock, M.D., Inc.'s NPI active?
- Yes — Justin Quock, M.D., Inc.'s NPI (1255647251) is active in the NPPES registry as of the last update on 2012-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.