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CONTRA COSTA PATHOLOGY ASSOCIATES
NPI 1487188868
Pathology - Anatomic Pathology & Clinical Pathology in San Francisco, CA

Active since April 12, 2017
845 JACKSON ST, SAN FRANCISCO, CA 94133(510) 964-0458(510) 964-0476 Get Directions Write a Review

NPPES record last updated: April 12, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Contra Costa Pathology Associates NPPES

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

CONTRA COSTA PATHOLOGY ASSOCIATES (NPI 1487188868) is a healthcare organization registered as an anatomic pathology & clinical pathology in San Francisco, California and active in the NPI registry since April 2017. The organization lists Christine Cesca, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1487188868
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NameCONTRA COSTA PATHOLOGY ASSOCIATES
Location Address845 JACKSON STSan Francisco, CA 94133-4851
Mailing AddressPo Box 1440Suisun City, CA 94585-4440 · (510) 964-0458 · Fax (510) 964-0476
Phone(510) 964-0458
Fax(510) 964-0476
Organization SubpartNo
Authorized OfficialChristine CescaManaging Partner · (925) 270-3575
Enumeration DateApril 12, 2017
✔ NPI 1487188868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
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.
Also ListedPathology · DermatopathologyTaxonomy 207ZD0900X
845 JACKSON ST, San Francisco, CA 94133
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Other Identifiers 1

Medicare PINZZZ28491ZCA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE 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)

Contra Costa Pathology Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

18

Medicare enrollment records show 18 clinicians reassign Medicare billing to Contra Costa Pathology Associates, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Pathology17
Dermatology1

Clinicians, nearest first (18)

Rebecca Spies, M.D.
Pathology
NPI 1275750341
505 PARNASSUS AVE M580
San Francisco, CA 94143
(415) 353-1614
✔ PECOS✔ Accepts Medicare3.5 mi
Emily O'rourke, M.D.
Pathology
NPI 1437492386
350 HAWTHORNE AVE
Oakland, CA 94609
(510) 204-1642
✔ PECOS✔ Accepts Medicare8.1 mi
Michael Cascio, M.D.
Pathology
NPI 1497081806
1501 TROUSDALE DR
Burlingame, CA 94010
(650) 696-5511
✔ PECOS✔ Accepts Medicare14 mi
David Zlotnick
Pathology
NPI 1740504588
399 TAYLOR BLVD STE 200
Pleasant Hill, CA 94523
(925) 270-3575
✔ PECOS✔ Accepts Medicare22 mi
David Levy
Pathology
NPI 1326467366
399 TAYLOR BLVD STE 200
Pleasant Hill, CA 94523
(925) 270-3575
✔ PECOS✔ Accepts Medicare22 mi
Dennis Hwang, MD
Pathology
NPI 1740361963
1601 YGNACIO VALLEY RD # 201
Walnut Creek, CA 94598
(510) 964-0458
✔ PECOS✔ Accepts Medicare22 mi
Risha Ramdall, M.D.
Pathology
NPI 1841224862
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
(925) 947-5390
✔ PECOS✔ Accepts Medicare22 mi
Nicholas Byrne, MD
Pathology
NPI 1710191325
1601 YGNACIO VALLEY RD PATHOLOGY DEPARTMENT
Walnut Creek, CA 94598
(925) 927-5390
✔ PECOS✔ Accepts Medicare22 mi
Nader Shihabi, MD
Pathology
NPI 1033290325
2540 EAST ST
Concord, CA 94520
(925) 674-2506
✔ PECOS✔ Accepts Medicare24 mi
Mahnaz Shahidi-Asl, MD
Pathology
NPI 1801082201
1000 TRANCAS ST
Napa, CA 94558
(707) 252-4411
✔ PECOS✔ Accepts Medicare37 mi
Nazila Hejazi, M.D.
Pathology
NPI 1538119292
10535 HOSPITAL WAY
Mather, CA 95655
(916) 843-7294
✔ PECOS81 mi
Seong Ra, M.D.
Pathology
NPI 1083855464
UCLA MEDICAL CTR 10833 LE CONTE AVENUE, RM A7-149
Los Angeles, CA 90095
(310) 825-2365
✔ PECOS✔ Accepts Medicare340 mi
Keith Lai, M.D.
Pathology
NPI 1215104369
8700 BEVERLY BLVD
West Hollywood, CA 90048
(310) 423-6623
✔ PECOS✔ Accepts Medicare342 mi
Zachary Goldstein, M.D.
Dermatology
NPI 1932561925
1450 SAN PABLO ST
Los Angeles, CA 90033
(323) 442-6200
✔ PECOS✔ Accepts Medicare349 mi
Xiangdong Bu, MD
Pathology
NPI 1336108919
438 W LAS TUNAS DR
San Gabriel, CA 91776
(626) 570-6597
✔ PECOS✔ Accepts Medicare351 mi
Kari Kakazu, MD
Pathology
NPI 1578911079
13103 E MANSFIELD AVENUE
Spokane Valley, WA 99216
(509) 892-2700
✔ PECOS✔ Accepts Medicare731 mi
Abha Soni, D.O.
Pathology
NPI 1689019184
2000 LAKE PARK DR SE
Smyrna, GA 30080
(678) 556-9411
✔ PECOS2,131 mi
Courtney Chapman, M.D.
Pathology
NPI 1003296856
6736 CURRAN STREET, SUITE 2
Mclean, VA 22101
(703) 372-0787
✔ PECOS✔ Accepts Medicare2,432 mi

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

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 Contra Costa Pathology Associates's NPI number?

The NPI number for Contra Costa Pathology Associates is 1487188868. It was assigned to this organization in the NPPES registry on April 12, 2017.

Where is Contra Costa Pathology Associates located?

Contra Costa Pathology Associates is located at 845 Jackson St, San Francisco, CA 94133. The listed phone number is (510) 964-0458.

What is Contra Costa Pathology Associates's specialty?

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

Is Contra Costa Pathology Associates enrolled in Medicare?

Yes. Contra Costa Pathology Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Contra Costa Pathology Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 18 clinicians in 2 Medicare specialties reassign their Medicare billing to Contra Costa Pathology Associates. 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. The largest specialties are Pathology (17) and Dermatology (1). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Contra Costa Pathology Associates was last updated on April 12, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.