B.j. Medical Group
NPI 1891001590 · Internal Medicine Physician · San Francisco, CA
B.j. Medical Group is a Internal Medicine Physician organization in San Francisco, CA (NPI 1891001590).
Provider details
- NPI number
- 1891001590
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- B.j. Medical Group
- Organization subpart
- Yes
- Authorized official
- Frank Zhang, Owner(415) 731-2000
- License
- A53395 (CA)
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
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
Registry dates
- Enumerated
- 2010-08-19
- Last updated
- 2010-08-19
Frequently asked questions
- What is B.j. Medical Group's NPI number?
- B.j. Medical Group's National Provider Identifier (NPI) is 1891001590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is B.j. Medical Group?
- B.j. Medical Group is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is B.j. Medical Group located?
- B.j. Medical Group's practice location on file with NPPES is 2360 Irving Street, San Francisco, CA 94122-1621.
- What is B.j. Medical Group's phone number?
- The practice phone number listed in the NPPES registry for B.j. Medical Group is (415) 731-2000.
- Who is the authorized official for B.j. Medical Group?
- The authorized official listed on B.j. Medical Group's NPPES record is Frank Zhang, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is B.j. Medical Group's NPI active?
- Yes — B.j. Medical Group's NPI (1891001590) is active in the NPPES registry as of the last update on 2010-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.