Hong Zhang, M.D. M.P.H. MS
NPI 1003931783 · Occupational Medicine Physician · Oakland, CA
Hong Zhang, M.D. M.P.H. MS is a Occupational Medicine Physician provider in Oakland, CA (NPI 1003931783).
Provider details
- NPI number
- 1003931783
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. M.P.H. MS
- Sex
- Female
- Sole proprietor
- No
- License
- A86259 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$244 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2007-08-12
Frequently asked questions
- What is Hong Zhang's NPI number?
- Hong Zhang's National Provider Identifier (NPI) is 1003931783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hong Zhang's specialty?
- Hong Zhang is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hong Zhang located?
- Hong Zhang's practice location on file with NPPES is 3232 Elm St, Oakland, CA 94609-3050.
- What is Hong Zhang's phone number?
- The practice phone number listed in the NPPES registry for Hong Zhang is (510) 735-5998.
- Is Hong Zhang's NPI active?
- Yes — Hong Zhang's NPI (1003931783) is active in the NPPES registry as of the last update on 2007-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.