CALIFORNIA EMERGENCY PHYSICIANS MEDICAL GROUP
NPI 1740473172
Emergency Medicine in San Marcos, CA
About California Emergency Physicians Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALIFORNIA EMERGENCY PHYSICIANS MEDICAL GROUP (NPI 1740473172) is a healthcare organization registered as an emergency medicine in San Marcos, California and active in the NPI registry since August 2007. The organization lists Mark J Spiro, Vpo, 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 is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,201Medicare enrollment records show 1,201 clinicians reassign Medicare billing to California Emergency Physicians Medical Group, which bills Medicare for the services they deliver. Of these, 22 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 10
Nearest to this location (20)
See all 1,201Source: 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's NPI number?
The NPI number for California Emergency Physicians Medical Group is 1740473172. It was assigned to this organization in the NPPES registry on August 20, 2007.
Where is California Emergency Physicians Medical Group located?
California Emergency Physicians Medical Group is located at 120 Craven Rd Ste 105, San Marcos, CA 92078. The listed phone number is (760) 510-7300.
What is California Emergency Physicians Medical Group's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is California Emergency Physicians Medical Group enrolled in Medicare?
Yes. California Emergency Physicians Medical Group is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through California Emergency Physicians Medical Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 1,201 clinicians in 10 Medicare specialties reassign their Medicare billing to California Emergency Physicians Medical Group. 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 Emergency Medicine (1,025), Nurse Practitioner (156) and Family Practice (7). Of these, 22 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 was last updated on August 20, 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.
# California Emergency Physicians Medical Group · NPI 1740473172
Emergency Medicine organization in San Marcos, California. Organization record, active in the CMS NPPES registry since August 20, 2007.
## Identity
- **NPI:** 1740473172 (Entity type: Organization)
- **Enumerated:** August 20, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Mark Spiro, VPO
## Practice location
- **Address:** 120 CRAVEN RD STE 105, San Marcos, CA 92078-4236
- **Phone:** (760) 510-7300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,201 clinicians in 10 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (1,025), Nurse Practitioner (156), Family Practice (7); 22 practice within 10 miles; [full list](https://npiprofile.com/npi/1740473172/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1740473172) · Data from the CMS NPPES public registry.