DR. JOHN MICHAEL GRAHAM M.D.
NPI 1306836366
Family Medicine in Larkspur, CA
About Dr. John Michael Graham M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MICHAEL GRAHAM M.D. (NPI 1306836366) is an individual family medicine provider in Larkspur, California, licensed in California (A723880) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (1998).
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 (PECOS)
Dr. John Michael Graham M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Graham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Novato, CA 94949
- Reassigned Medicare billing, California enrollment
- 111 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 339 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 15
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 94939 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LARKSPUR, CA 94939
LARKSPUR, CA 94939
LARKSPUR, CA 94939
LARKSPUR, CA 94939
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 John Graham's NPI number?
The NPI number for John Graham is 1306836366. It was assigned to this individual provider in the NPPES registry on October 21, 2005.
Where is John Graham located?
John Graham practices at 1100 Larkspur Landing Cir Ste 10, Larkspur, CA 94939. The listed phone number is (415) 924-1214.
What is John Graham's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Graham enrolled in Medicare?
Yes. John Graham is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Graham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Graham reassigns Medicare benefits to 2 organizations: Prima Medical Foundation (Novato, CA) and Regents Univ Of California Ucsf (San Francisco, 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 John Graham'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 John Graham was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.