RIA HEALTH PC
NPI 1326539404
Internal Medicine - Addiction Medicine in San Francisco, CA
About Ria Health Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIA HEALTH PC (NPI 1326539404) is a healthcare organization registered as an addiction medicine in San Francisco, California and active in the NPI registry since May 2018. The organization maintains a secondary practice location in San Francisco and lists John Mendelson, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Group Practice 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ria Health Pc 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 Ria Health PC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 7
Nearest to this location (20)
See all 38Pontiac, MI 48351
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 Ria Health PC's NPI number?
The NPI number for Ria Health PC is 1326539404. It was assigned to this organization in the NPPES registry on May 23, 2018.
Where is Ria Health PC located?
Ria Health PC is located at 1390 Market St Ste 200, San Francisco, CA 94102. The listed phone number is (800) 504-5360.
What is Ria Health PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.
Is Ria Health PC enrolled in Medicare?
Yes. Ria Health PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Ria Health PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 38 clinicians in 7 Medicare specialties reassign their Medicare billing to Ria Health 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. The largest specialties are Nurse Practitioner (18), Clinical Social Worker (9) and Family Practice (3). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Ria Health PC accept?
Health plans from Medica list Ria Health PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ria Health PC was last updated on December 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ria Health Pc · NPI 1326539404
Addiction Medicine organization in San Francisco, California. Organization record, active in the CMS NPPES registry since May 23, 2018.
## Identity
- **NPI:** 1326539404 (Entity type: Organization)
- **Enumerated:** May 23, 2018
- **Primary specialty:** Internal Medicine - Addiction Medicine · taxonomy 207RA0401X
- **Organization subpart:** No
- **Authorized official:** John Mendelson, PRESIDENT
## Practice location
- **Address:** 1390 MARKET ST STE 200, San Francisco, CA 94102-5404
- **Phone:** (800) 504-5360 · **Fax:** (415) 558-1764
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 38 clinicians in 7 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (18), Clinical Social Worker (9), Family Practice (3); 3 practice within 10 miles; [full list](https://npiprofile.com/npi/1326539404/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1326539404) · Data from the CMS NPPES public registry.