Justin Zhang, MD
NPI 1568112761 · Hospitalist Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Zhang, MD is a Hospitalist Physician provider in San Francisco, CA (NPI 1568112761).
Provider details
- NPI number
- 1568112761
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-03-28
- Last updated
- 2025-06-12
- Certified
- 2025-06-12
Frequently asked questions
- What is Justin Zhang's NPI number?
- Justin Zhang's National Provider Identifier (NPI) is 1568112761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Zhang's specialty?
- Justin Zhang is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Zhang located?
- Justin Zhang's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Justin Zhang's phone number?
- The practice phone number listed in the NPPES registry for Justin Zhang is (415) 476-1000.
- Does Justin Zhang accept Medicare?
- Justin Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Zhang's NPI active?
- Yes — Justin Zhang's NPI (1568112761) is active in the NPPES registry as of the last update on 2025-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.