PROHEALTH PARTNERS A MEDICAL GROUP INC
NPI 1508004086
Hospitalist in Los Alamitos, CA
About Prohealth Partners A Medical Group Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PROHEALTH PARTNERS A MEDICAL GROUP INC (NPI 1508004086) is a healthcare organization registered as a hospitalist in Los Alamitos, California and active in the NPI registry since January 2009. The organization maintains 2 additional practice locations and lists Barry S Allswang, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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)
Prohealth Partners A Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
278Medicare enrollment records show 278 clinicians reassign Medicare billing to Prohealth Partners A Medical Group Inc, which bills Medicare for the services they deliver. Of these, 141 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 38
Nearest to this location (20)
See all 278Source: 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 Prohealth Partners A Medical Group Inc's NPI number?
The NPI number for Prohealth Partners A Medical Group Inc is 1508004086. It was assigned to this organization in the NPPES registry on January 22, 2009.
Where is Prohealth Partners A Medical Group Inc located?
Prohealth Partners A Medical Group Inc is located at 3751 Katella Ave, Los Alamitos, CA 90720. The listed phone number is (562) 299-5200.
What is Prohealth Partners A Medical Group Inc's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Prohealth Partners A Medical Group Inc enrolled in Medicare?
Yes. Prohealth Partners A Medical Group Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Prohealth Partners A Medical Group Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 278 clinicians in 38 Medicare specialties reassign their Medicare billing to Prohealth Partners A 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. The largest specialties are Nurse Practitioner (55), Internal Medicine (50) and Family Practice (38). Of these, 141 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 Prohealth Partners A Medical Group Inc was last updated on January 18, 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.
# Prohealth Partners A Medical Group Inc · NPI 1508004086
Hospitalist organization in Los Alamitos, California. Organization record, active in the CMS NPPES registry since January 22, 2009.
## Identity
- **NPI:** 1508004086 (Entity type: Organization)
- **Enumerated:** January 22, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **Organization subpart:** No
- **Authorized official:** Barry Allswang, PRESIDENT
## Practice location
- **Address:** 3751 KATELLA AVE, Los Alamitos, CA 90720-3113
- **Phone:** (562) 299-5200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 278 clinicians in 38 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (55), Internal Medicine (50), Family Practice (38); 141 practice within 10 miles; [full list](https://npiprofile.com/npi/1508004086/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 18, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1508004086) · Data from the CMS NPPES public registry.