DR. RONNIE RYAN CUMMINGS M.D.
NPI 1255537940
Psychiatry & Neurology - Psychiatry in San Francisco, CA
About Dr. Ronnie Ryan Cummings M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONNIE RYAN CUMMINGS M.D. (NPI 1255537940) is an individual psychiatry provider in San Francisco, California, licensed in California (A93095) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of University Of California, San Diego School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ronnie Ryan Cummings M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Ronnie Cummings reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 247 clinicians in this Medicare group
Santa Rosa, CA 95401
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Traditions Psychiatry Group PC
- 98 clinicians in this Medicare group
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- 38 clinicians in this Medicare group
Fullerton, CA 92835
- Reassigned Medicare billing, California enrollment
- 119 clinicians in this Medicare group
Laguna Niguel, CA 92677
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Scottsdale, AZ 85253
- Reassigned Medicare billing, California enrollment
- 766 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 3
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 94102 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.
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
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 Ronnie Cummings's NPI number?
The NPI number for Ronnie Cummings is 1255537940. It was assigned to this individual provider in the NPPES registry on June 21, 2007.
Where is Ronnie Cummings located?
Ronnie Cummings practices at 490 Post St Ste 1043, San Francisco, CA 94102. The listed phone number is (925) 282-1778.
What is Ronnie Cummings's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Ronnie Cummings enrolled in Medicare?
Yes. Ronnie Cummings is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ronnie Cummings's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronnie Cummings reassigns Medicare benefits to 6 organizations: Telecare Corporation (Alameda, CA), Traditions Psychiatry Group, P.C (Santa Rosa, CA), County Of Stanislaus (Modesto, CA), County Of Orange (Fullerton, CA), Integrative Psychiatry A Medical Corporation (Laguna Niguel, CA) and 1 more organization, listed in the Medicare section above. 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 Ronnie Cummings'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 Ronnie Cummings was last updated on October 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.