What is Andrew Horvai's NPI number?

Andrew Horvai's National Provider Identifier (NPI) is 1891752309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrew Horvai's specialty?

Andrew Horvai is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).

Where is Andrew Horvai located?

Andrew Horvai's practice location on file with NPPES is 1600 Divisadero St, San Francisco, CA 94143-0001.

What is Andrew Horvai's phone number?

The practice phone number listed in the NPPES registry for Andrew Horvai is (415) 885-7313.

Does Andrew Horvai accept Medicare?

Andrew Horvai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Andrew Horvai's NPI active?

Yes — Andrew Horvai's NPI (1891752309) is active in the NPPES registry as of the last update on 2007-07-09.

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Andrew Horvai, MD

NPI 1891752309 · Anatomic Pathology Physician · San Francisco, CA

Andrew Horvai, MD is a Anatomic Pathology Physician provider in San Francisco, CA (NPI 1891752309).

Provider details

NPI number: 1891752309
Entity type: Individual
Primary specialty: Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
License: A70479 (CA)

Practice location

1600 Divisadero St

San Francisco, CA 94143-0001

Phone: (415) 885-7313

Fax: (415) 673-9726

Street-level locationGet directions

More CA providers

Mailing address

1635 Divisadero St

San Francisco, CA 94143-0001

Specialties & taxonomies

Anatomic Pathology PhysicianPrimary207ZP0101XLicense A70479 (CA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(70/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
527 Medicare services, 2024 (ranked within specialty)

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 methodology.

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)
Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341	211	$31
Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305	101	$42
Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307	79	$92
Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342	49	$39
Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304	38	$13
Pathology Examination of Tissue Using a Microscope88302	20	$8

Enumerated: 2006-04-27
Last updated: 2007-07-09

Frequently asked questions

What is Andrew Horvai's NPI number?: Andrew Horvai's National Provider Identifier (NPI) is 1891752309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Andrew Horvai's specialty?: Andrew Horvai is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
Where is Andrew Horvai located?: Andrew Horvai's practice location on file with NPPES is 1600 Divisadero St, San Francisco, CA 94143-0001.
What is Andrew Horvai's phone number?: The practice phone number listed in the NPPES registry for Andrew Horvai is (415) 885-7313.
Does Andrew Horvai accept Medicare?: Andrew Horvai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Andrew Horvai's NPI active?: Yes — Andrew Horvai's NPI (1891752309) is active in the NPPES registry as of the last update on 2007-07-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)