Haiyan Zhang, M.D.
NPI 1457617110 · Anatomic Pathology & Clinical Pathology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Haiyan Zhang, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in San Diego, CA (NPI 1457617110).
Provider details
- NPI number
- 1457617110
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A133801 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,327 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 941 | $38 |
| Antibody Evaluation, Each Additional Single Antibody Stain Procedure88350 | 355 | $29 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 235 | $12 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 184 | $28 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 134 | $83 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 131 | $35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (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
Additional practice locations (1)
- 222 Escuela AveApt 32Mountain View, CA 94040-1876Phone: (650) 863-1690Fax: (650) 849-0484
Registry dates
- Enumerated
- 2012-04-06
- Last updated
- 2018-09-10
Frequently asked questions
- What is Haiyan Zhang's NPI number?
- Haiyan Zhang's National Provider Identifier (NPI) is 1457617110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Haiyan Zhang's specialty?
- Haiyan Zhang is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Haiyan Zhang located?
- Haiyan Zhang's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103.
- What is Haiyan Zhang's phone number?
- The practice phone number listed in the NPPES registry for Haiyan Zhang is (800) 926-8273.
- Does Haiyan Zhang accept Medicare?
- Haiyan Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Haiyan Zhang's NPI active?
- Yes — Haiyan Zhang's NPI (1457617110) is active in the NPPES registry as of the last update on 2018-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.