CALIFORNIA EMERGENCY PHYSICIANS MEDICAL GROUP, A PROFESSIONAL CORP.
NPI 1457945990
Internal Medicine in Millbrae, CA
About California Emergency Physicians Medical Group, A Professional Corp. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALIFORNIA EMERGENCY PHYSICIANS MEDICAL GROUP, A PROFESSIONAL CORP. (NPI 1457945990) is a healthcare organization registered as an internal medicine in Millbrae, California and active in the NPI registry since February 2021. The organization lists David Birdsall, Chief Operations Officer, 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)
California Emergency Physicians Medical Group, A Professional Corp. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
131Medicare enrollment records show 131 clinicians reassign Medicare billing to California Emergency Physicians Medical Group, A Professional Corp., which bills Medicare for the services they deliver. Of these, 7 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 131Mountain View, CA 94040
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 California Emergency Physicians Medical Group, A Professional Corp.'s NPI number?
The NPI number for California Emergency Physicians Medical Group, A Professional Corp. is 1457945990. It was assigned to this organization in the NPPES registry on February 25, 2021.
Where is California Emergency Physicians Medical Group, A Professional Corp. located?
California Emergency Physicians Medical Group, A Professional Corp. is located at 33 Mateo Ave, Millbrae, CA 94030. The listed phone number is (650) 689-5784.
What is California Emergency Physicians Medical Group, A Professional Corp.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is California Emergency Physicians Medical Group, A Professional Corp. enrolled in Medicare?
Yes. California Emergency Physicians Medical Group, A Professional Corp. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through California Emergency Physicians Medical Group, A Professional Corp.?
According to the CMS Revalidation Reassignment List (October 2026 release), 131 clinicians in 8 Medicare specialties reassign their Medicare billing to California Emergency Physicians Medical Group, A Professional Corp.. 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 Hospitalist (51), Internal Medicine (39) and Emergency Medicine (23). Of these, 7 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 California Emergency Physicians Medical Group, A Professional Corp. was last updated on February 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# California Emergency Physicians Medical Group, A Professional Corp. · NPI 1457945990
Internal Medicine organization in Millbrae, California. Organization record, active in the CMS NPPES registry since February 25, 2021.
## Identity
- **NPI:** 1457945990 (Entity type: Organization)
- **Enumerated:** February 25, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** David Birdsall, CHIEF OPERATIONS OFFICER
## Practice location
- **Address:** 33 MATEO AVE, Millbrae, CA 94030-2037
- **Phone:** (650) 689-5784
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 131 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Hospitalist (51), Internal Medicine (39), Emergency Medicine (23); 7 practice within 10 miles; [full list](https://npiprofile.com/npi/1457945990/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 25, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1457945990) · Data from the CMS NPPES public registry.