Physician Profile
Based in San Francisco, CA, Andrew E. Horvai, MD is listed in the NPI registry under pathology. Andrew graduated from University of California, San Diego School of Medicine in 1998. Medicare claims data shows Andrew provided 527 services to 287 patients. The services billed most often include special stained specimen slides to examine tissue, each additional procedure, pathology examination of tissue using a microscope, intermediate complexity, and pathology examination of tissue using a microscope, moderately high complexity.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1600 DIVISADERO ST
San Francisco, CA 94143
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
527 services · 287 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
211 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
101 | Less often than most peers in Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
79 | As often as other peers in Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
49 | Less often than most peers in Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
38 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope | Lab test | 88302 |
20 | More often than most peers in Pathology |
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
17 | Less often than most peers in Pathology |
| Surgical pathology consultation and report on referred material requiring preparation of slides | Lab test | 88323 |
12 | Less often than most peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Horvai is a pathologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Dr. Horvai is listed at 1600 Divisadero St, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 885-7313. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Horvai's National Provider Identifier is 1891752309. 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
Dr. Horvai attended University of California, San Diego School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Dr. Horvai has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Horvai 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 Dr. Horvai. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.