DR. RYAN RICHARD GUINNESS M.D.
NPI 1871987131
Student in an Organized Health Care Education/Training Program in San Francisco, CA
About Dr. Ryan Richard Guinness M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN RICHARD GUINNESS M.D. (NPI 1871987131) is an individual student in an organized health care education/training program in San Francisco, California and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (2015).
NPPES Registry Identity
Specialties & Licenses
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. Ryan Richard Guinness 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 Reassignment
Medicare enrollment records show Ryan Guinness reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
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 Ryan Guinness's NPI number?
The NPI number for Ryan Guinness is 1871987131. It was assigned to this individual provider in the NPPES registry on March 25, 2015.
Where is Ryan Guinness located?
Ryan Guinness practices at 2425 Geary Blvd # M160 Graduate Medical Education, San Francisco, CA 94115. The listed phone number is (415) 833-9182.
What is Ryan Guinness's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Ryan Guinness enrolled in Medicare?
Yes. Ryan Guinness 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 organization bills Medicare for Ryan Guinness's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Guinness reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Ryan Guinness'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 Ryan Guinness was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Ryan Richard Guinness, M.D. · NPI 1871987131
Student in an Organized Health Care Education/Training Program provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 25, 2015.
## Identity
- **NPI:** 1871987131 (Entity type: Individual)
- **Enumerated:** March 25, 2015
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 2425 GEARY BLVD # M160, GRADUATE MEDICAL EDUCATION, San Francisco, CA 94115-3358
- **Phone:** (415) 833-9182
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Geisel School Of Medicine At Dartmouth, class of 2015
## Record status
- **NPPES last updated:** December 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871987131) · Data from the CMS NPPES public registry.