PENINSULA PATHOLOGISTS MEDICAL GROUP INC.
NPI 1285699793
Pathology - Anatomic Pathology & Clinical Pathology in Burlingame, CA
About Peninsula Pathologists Medical Group Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PENINSULA PATHOLOGISTS MEDICAL GROUP INC. (NPI 1285699793) is a healthcare organization registered as an anatomic pathology & clinical pathology in Burlingame, California and active in the NPI registry since April 2006. The organization lists Judy A Alonzo, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Identifiers 10
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Peninsula Pathologists Medical Group Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to Peninsula Pathologists Medical Group Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 9 within 10 miles. They are listed nearest first.
Clinicians, nearest first (17)
Burlingame, CA 94010
Burlingame, CA 94010
San Mateo, CA 94401
Mountain View, CA 94040
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
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 Compliance 05D1029487
Peninsula Pathologists Medical Group Inc · South San Francisco, CAFrequently 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 Peninsula Pathologists Medical Group Inc.'s NPI number?
The NPI number for Peninsula Pathologists Medical Group Inc. is 1285699793. It was assigned to this organization in the NPPES registry on April 18, 2006.
Where is Peninsula Pathologists Medical Group Inc. located?
Peninsula Pathologists Medical Group Inc. is located at 1783 El Camino Real Pathology Dept, Burlingame, CA 94010. The listed phone number is (650) 696-5611.
What is Peninsula Pathologists Medical Group Inc.'s specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Peninsula Pathologists Medical Group Inc. enrolled in Medicare?
Yes. Peninsula Pathologists Medical Group Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Peninsula Pathologists Medical Group Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians, all in Pathology, reassign their Medicare billing to Peninsula Pathologists Medical Group Inc.. 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, 2 practice at this address and 9 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 Peninsula Pathologists Medical Group Inc. was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Peninsula Pathologists Medical Group Inc. · NPI 1285699793
Anatomic Pathology & Clinical Pathology organization in Burlingame, California. Organization record, active in the CMS NPPES registry since April 18, 2006.
## Identity
- **NPI:** 1285699793 (Entity type: Organization)
- **Enumerated:** April 18, 2006
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **Organization subpart:** No
- **Authorized official:** Judy Alonzo, PRESIDENT
## Practice location
- **Address:** 1783 EL CAMINO REAL, PATHOLOGY DEPT, Burlingame, CA 94010-3205
- **Phone:** (650) 696-5611
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians (Pathology) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address and 9 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 16, 2007
- **Other identifiers:** Medicaid GR0030572 (CA); Medicaid GR0030570 (CA); Medicaid LAB27269F (CA); and 7 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1285699793) · Data from the CMS NPPES public registry.