Physician Profile
Haiyan Zhang, M.D. is a healthcare provider in San Diego, CA specializing in pathology. Haiyan is also listed as specializing in anatomic & clinical pathology. According to Medicare claims data, Haiyan cared for 1,112 Medicare patients across 2,327 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, antibody evaluation, each additional single antibody stain procedure, and special stained specimen slides to examine tissue including interpretation and report. This provider record is associated with NPI 1457617110.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
200 W ARBOR DR
San Diego, CA 92103
222 Escuela Ave Apt 32
Mountain View, CA 94040
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
2,327 services · 1,112 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
941 | More often than most peers in Pathology |
| Antibody evaluation, each additional single antibody stain procedure | Lab test | 88350 |
355 | More often than most peers in Pathology |
| Special stained specimen slides to examine tissue including interpretation and report | Lab test | 88313 |
235 | More often than most peers in Pathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
184 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
134 | More often than most peers in Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
131 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
60 | As often as other peers in Pathology |
| Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method | Billing code | G0416 |
50 | More often than most peers in Pathology |
| Pathology examination of tissue using a microscope, high complexity | Lab test | 88309 |
48 | More than most peers in Pathology |
| Antibody evaluation, initial single antibody stain procedure | Lab test | 88346 |
43 | As often as other peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Haiyan Zhang is a pathologist in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Haiyan Zhang is listed at 200 W Arbor Dr, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (800) 926-8273. Contact the office directly to confirm availability and scheduling.
NPI registry
Haiyan Zhang's National Provider Identifier is 1457617110. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Haiyan Zhang attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Haiyan Zhang has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Haiyan Zhang the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Haiyan Zhang. If this is you, claiming it is free.
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