CALLAHAN HEALTHCARE PARTNERS PC
NPI 1265323596
General Practice in South San Francisco, CA
About Callahan Healthcare Partners Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALLAHAN HEALTHCARE PARTNERS PC (NPI 1265323596) is a healthcare organization registered as a general practice in South San Francisco, California and active in the NPI registry since July 2025. The organization lists Edward Callahan, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Callahan Healthcare Partners Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Callahan Healthcare Partners PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Callahan Healthcare Partners PC's NPI number?
The NPI number for Callahan Healthcare Partners PC is 1265323596. It was assigned to this organization in the NPPES registry on July 14, 2025.
Where is Callahan Healthcare Partners PC located?
Callahan Healthcare Partners PC is located at 611 Gateway Blvd Ste 120, South San Francisco, CA 94080. The listed phone number is (650) 480-6023.
What is Callahan Healthcare Partners PC's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Callahan Healthcare Partners PC enrolled in Medicare?
Yes. Callahan Healthcare Partners PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Callahan Healthcare Partners PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Practice) reassigns their Medicare billing to Callahan Healthcare Partners PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Callahan Healthcare Partners PC was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Callahan Healthcare Partners Pc · NPI 1265323596
General Practice organization in South San Francisco, California. Organization record, active in the CMS NPPES registry since July 14, 2025.
## Identity
- **NPI:** 1265323596 (Entity type: Organization)
- **Enumerated:** July 14, 2025
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **Organization subpart:** No
- **Authorized official:** Edward Callahan, OWNER
## Practice location
- **Address:** 611 GATEWAY BLVD STE 120, South San Francisco, CA 94080-7066
- **Phone:** (650) 480-6023 · **Fax:** (650) 480-6023
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (General Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 13, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1265323596) · Data from the CMS NPPES public registry.