BIG RIVER EMERGENCY PHYSICIANS INC
NPI 1033501168
Emergency Medicine in Hollister, CA
About Big River Emergency Physicians Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BIG RIVER EMERGENCY PHYSICIANS INC (NPI 1033501168) is a healthcare organization registered as an emergency medicine in Hollister, California and active in the NPI registry since February 2015. The organization lists Steven P. Maron, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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)
Big River Emergency Physicians Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
38Medicare enrollment records show 38 clinicians reassign Medicare billing to Big River Emergency Physicians Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 38Source: 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 Big River Emergency Physicians Inc's NPI number?
The NPI number for Big River Emergency Physicians Inc is 1033501168. It was assigned to this organization in the NPPES registry on February 26, 2015.
Where is Big River Emergency Physicians Inc located?
Big River Emergency Physicians Inc is located at 911 Sunset Dr, Hollister, CA 95023. The listed phone number is (330) 493-4443.
What is Big River Emergency Physicians Inc's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Big River Emergency Physicians Inc enrolled in Medicare?
Yes. Big River Emergency Physicians Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Big River Emergency Physicians Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 38 clinicians in 5 Medicare specialties reassign their Medicare billing to Big River Emergency Physicians 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. The largest specialties are Emergency Medicine (30), Family Practice (5) and General Surgery (1). Of these, 2 practice at this address and 4 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 Big River Emergency Physicians Inc was last updated on June 24, 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.
# Big River Emergency Physicians Inc · NPI 1033501168
Emergency Medicine organization in Hollister, California. Organization record, active in the CMS NPPES registry since February 26, 2015.
## Identity
- **NPI:** 1033501168 (Entity type: Organization)
- **Enumerated:** February 26, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Steven Maron, PRESIDENT
## Practice location
- **Address:** 911 SUNSET DR, Hollister, CA 95023-5606
- **Phone:** (330) 493-4443
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 38 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (30), Family Practice (5), General Surgery (1); 2 practice at this address and 4 within 10 miles; [full list](https://npiprofile.com/npi/1033501168/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2021
- **Other identifiers:** Medicaid 1033501168 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1033501168) · Data from the CMS NPPES public registry.