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MARIN GENERAL HOSPITAL PATH DEPT.
NPI 1053417386
Pathology - Anatomic Pathology & Clinical Pathology in Greenbrae, CA

Active since September 15, 2006CLIA Certified · 2 labs
250 BON AIR ROAD, GREENBRAE, CA 94904(415) 925-7174(415) 461-7228 Get Directions Write a Review

NPPES record last updated: August 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marin General Hospital Path Dept. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIN GENERAL HOSPITAL PATH DEPT. (NPI 1053417386) is a healthcare organization registered as an anatomic pathology & clinical pathology in Greenbrae, California and active in the NPI registry since September 2006. The organization holds 2 active CLIA laboratory certificates and lists Paul William Wasserstein, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1053417386
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NameMARIN MEDICAL LABORATORIES
Location Address250 BON AIR ROADGreenbrae, CA 94904
Mailing Address1615 Hill Rd Ste BNovato, CA 94947-4338 · (415) 898-7649 · Fax (415) 898-0870
Phone(415) 925-7174
Fax(415) 461-7228
Organization SubpartNo
Authorized OfficialPaul William WassersteinManaging Partner · (415) 925-7174
Enumeration DateSeptember 15, 2006
Last NPPES UpdateAugust 11, 2022
NPPES CertifiedAugust 11, 2022
✔ NPI 1053417386 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · CLF787
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
250 BON AIR ROAD, Greenbrae, CA 94904
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Other Names 1

Doing Business AsMarin General Hospital Path Dept.

Other Identifiers 1

MedicaidGR0014390CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marin General Hospital Path Dept. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

13

Medicare enrollment records show 13 clinicians reassign Medicare billing to Marin General Hospital Path Dept., which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.

Clinicians, nearest first (13)

Christopher Kim, M.D.
Pathology
NPI 1356607121
250 BON AIR RD
Greenbrae, CA 94904
(415) 925-7174
✔ PECOS✔ Accepts MedicareSame address
Frederick Kretzschmar, MD
Pathology
NPI 1245348861
250 BON AIR RD
Greenbrae, CA 94904
(415) 925-7174
✔ PECOS✔ Accepts MedicareSame address
Kedar Prasad, MD
Pathology
NPI 1841308558
250 BON AIR RD
Greenbrae, CA 94904
(415) 925-7174
✔ PECOS✔ Accepts MedicareSame address
Paul Wasserstein, MD
Pathology
NPI 1467560094
250 BON AIR RD
Greenbrae, CA 94904
(415) 925-7174
✔ PECOS✔ Accepts MedicareSame address
Ruobin Wu
Pathology
NPI 1831658863
250 BON AIR RD
Greenbrae, CA 94904
(415) 353-1613
✔ PECOS✔ Accepts MedicareSame address
Dean Fong, DO
Pathology
NPI 1609057041
350 ST. JOSEPH'S STREET KAISER PERMANENTE MEDICAL CENTER
San Francisco, CA 94115
(415) 833-4188
✔ PECOS12 mi
Judith Doyle, M.D.
Pathology
NPI 1891915252
1101 VAN NESS AVE
San Francisco, CA 94109
(415) 600-2200
✔ PECOS13 mi
Hong Luo, MD
Pathology
NPI 1629085527
1000 TRANCAS ST STE H
Napa, CA 94558
(707) 252-4411
✔ PECOS✔ Accepts Medicare29 mi
Maryam Aghighi, MD
Pathology
NPI 1073074977
1165 MONTGOMERY DR
Santa Rosa, CA 95405
(707) 525-5352
✔ PECOS✔ Accepts Medicare35 mi
Wanhua Yang, M.D. PH.D.
Pathology
NPI 1922360627
1165 MONTGOMERY DR
Santa Rosa, CA 95405
(707) 525-5352
✔ PECOS✔ Accepts Medicare35 mi
Rachel Donohue, MD
Pathology
NPI 1992097851
2200 HARRISON AVE
Eureka, CA 95501
(707) 445-8121
✔ PECOS✔ Accepts Medicare214 mi
Xiangdong Bu, MD
Pathology
NPI 1336108919
438 W LAS TUNAS DR
San Gabriel, CA 91776
(626) 570-6597
✔ PECOS✔ Accepts Medicare363 mi
Marissa Spino-Keeton, DO
Pathology
NPI 1295185247
350 W 11TH ST
Indianapolis, IN 46202
(317) 491-6000
✔ PECOS✔ Accepts Medicare1,952 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 05D0706572

Marin Medical Laboratories · Greenbrae, CA
Active · expires Jan 17, 2027
CLIA Number05D0706572
Laboratory TypeIndependent Lab In Hospit
Certificate Effective DateJanuary 18, 2025
Certificate Expiration DateJanuary 17, 2027
Laboratory DirectorDr. Kedar C. Prasad
Laboratory Phone(415) 925-7174
Laboratory LocationMarin Medical Laboratories250 Bon Air Road Fl 3, Greenbrae, CA 94904
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Certificate of Accreditation 05D0604317

Marin General Hospital Laboratory · Greenbrae, CA
Active · expires Feb 27, 2027
CLIA Number05D0604317
Laboratory TypeHospital
Certificate Effective DateFebruary 28, 2025
Certificate Expiration DateFebruary 27, 2027
Laboratory DirectorDr. Kedar C. Prasad
Laboratory Phone(415) 925-7186
Laboratory LocationMarin General Hospital Laboratory250 Bon Air Rd 2nd Fl, Greenbrae, CA 94904
CLIA data matches this NPI record on: Address
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marin Medical Laboratories's NPI number?

The NPI number for Marin Medical Laboratories is 1053417386. It was assigned to this organization in the NPPES registry on September 15, 2006. The provider is doing business as Marin General Hospital Path Dept..

Where is Marin Medical Laboratories located?

Marin Medical Laboratories is located at 250 Bon Air Road, Greenbrae, CA 94904. The listed phone number is (415) 925-7174.

What is Marin Medical Laboratories's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Marin Medical Laboratories enrolled in Medicare?

Yes. Marin Medical Laboratories is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marin Medical Laboratories?

According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians, all in Pathology, reassign their Medicare billing to Marin Medical Laboratories. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Marin Medical Laboratories hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Marin Medical Laboratories was last updated on August 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.