DR. RICHARD DOYAN M.D.
NPI 1992740765
Emergency Medicine in Emeryville, CA
About Dr. Richard Doyan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RICHARD DOYAN M.D. (NPI 1992740765) is an individual emergency medicine provider in Emeryville, California, licensed in California (C50937) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Richard Doyan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Richard Doyan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95819
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Cep America - California
- 2,323 clinicians in this Medicare group
Hayward, CA 94545
- Reassigned Medicare billing, California enrollment
- 160 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94608 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EMERYVILLE, CA 94608
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 Richard Doyan's NPI number?
The NPI number for Richard Doyan is 1992740765. It was assigned to this individual provider in the NPPES registry on June 17, 2006.
Where is Richard Doyan located?
Richard Doyan practices at 2100 Powell St Suite 900, Emeryville, CA 94608. The listed phone number is (510) 350-2777.
What is Richard Doyan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Richard Doyan enrolled in Medicare?
Yes. Richard Doyan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Richard Doyan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Doyan reassigns Medicare benefits to 2 organizations: California Emergency Physc Med Grp (Sacramento, CA) and Nes Western Group, A Professional Corporation (Hayward, CA). Each 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 Richard Doyan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Richard Doyan was last updated on February 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Richard Doyan, M.D. · NPI 1992740765
Emergency Medicine physician in Emeryville, California. Individual provider, active in the CMS NPPES registry since June 17, 2006.
## Identity
- **NPI:** 1992740765 (Entity type: Individual)
- **Enumerated:** June 17, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C50937 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2100 POWELL ST, SUITE 900, Emeryville, CA 94608-1826
- **Phone:** (510) 350-2777 · **Fax:** (818) 235-8552
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): California Emergency Physc Med Grp (NPI 1942509047, Sacramento, CA); Nes Western Group, A Professional Corporation (NPI 1588249569, Hayward, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 25, 2013
- **Other identifiers:** Medicare ID-Type Unspecified WC50937 (CA); Medicare PIN CE829Z (CA); Medicare PIN CE829Y (CA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1992740765) · Data from the CMS NPPES public registry.