RYAN CHRISTOPHER MARTIN MD
NPI 1659734580
Emergency Medicine in San Francisco, CA
About Ryan Christopher Martin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN CHRISTOPHER MARTIN MD (NPI 1659734580) is an individual emergency medicine provider in San Francisco, California, licensed in California (A154538) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2016).
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
Ryan Christopher Martin Md 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
5Medicare enrollment records show Ryan Martin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Burlingame, CA 94010
- Reassigned Medicare billing, California enrollment
- 45 clinicians in this Medicare group
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 43 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- 212 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 8
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 94110 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 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
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 Martin's NPI number?
The NPI number for Ryan Martin is 1659734580. It was assigned to this individual provider in the NPPES registry on March 29, 2016.
Where is Ryan Martin located?
Ryan Martin practices at 1001 Potrero Ave, San Francisco, CA 94110. The listed phone number is (628) 206-8000.
What is Ryan Martin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ryan Martin enrolled in Medicare?
Yes. Ryan Martin 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 Ryan Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Martin reassigns Medicare benefits to 5 organizations: Permanente Medical Group Inc (San Francisco, CA), Mills Peninsula Emergency Medical Associates Inc (Burlingame, CA), Eden Emergency Medical Group Inc (Castro Valley, CA), Northbay Healthcare Group (Fairfield, CA) and Solano Gateway Medical Group Inc (Fairfield, 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 Ryan Martin'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 Martin was last updated on February 11, 2022. 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.
# Ryan Christopher Martin, MD · NPI 1659734580
Emergency Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 29, 2016.
## Identity
- **NPI:** 1659734580 (Entity type: Individual)
- **Enumerated:** March 29, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A154538 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1001 POTRERO AVE, San Francisco, CA 94110-3518
- **Phone:** (628) 206-8000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); Mills Peninsula Emergency Medical Associates Inc (NPI 1841226529, Burlingame, CA); Eden Emergency Medical Group Inc (NPI 1891786240, Castro Valley, CA); Northbay Healthcare Group (NPI 1821147786, Fairfield, CA); Solano Gateway Medical Group Inc (NPI 1952344293, Fairfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2016
## Record status
- **NPPES last updated:** February 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659734580) · Data from the CMS NPPES public registry.