BRYAN L GAMMON M.D.
NPI 1518134154
Dermatology - Dermatopathology in San Jose, CA
About Bryan L Gammon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRYAN L GAMMON M.D. (NPI 1518134154) is an individual dermatopathology provider in San Jose, California, licensed in California (A118101) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2008).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
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
Bryan L Gammon 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
12Medicare enrollment records show Bryan Gammon reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Gatos, CA 95032
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Santa Maria, CA 93454
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
Calabasas, CA 91302
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Hal M Weitzbuch MD Medical Corporation
- 5 clinicians in this Medicare group
Newport Beach, CA 92660
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: J Robert West MD Inc
- 121 clinicians in this Medicare group
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 2 clinicians in this Medicare group
Austin, TX 78731
- Reassigned Medicare billing, Texas enrollment
- 10 clinicians in this Medicare group
Huntsville, TX 77340
- Reassigned Medicare billing, Texas enrollment
- 38 clinicians in this Medicare group
Houston, TX 77027
- Reassigned Medicare billing, Texas enrollment
- 42 clinicians in this Medicare group
Houston, TX 77092
- Reassigned Medicare billing, Arizona and Texas enrollments
- 24 clinicians in this Medicare group
Kingwood, TX 77339
- Reassigned Medicare billing, Texas enrollment
- 35 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 6
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 95124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN JOSE, CA 95124
SAN JOSE, CA 95124
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 Bryan Gammon's NPI number?
The NPI number for Bryan Gammon is 1518134154. It was assigned to this individual provider in the NPPES registry on May 13, 2008.
Where is Bryan Gammon located?
Bryan Gammon practices at 2420 Samaritan Dr, San Jose, CA 95124. The listed phone number is (408) 369-5600.
What is Bryan Gammon's specialty?
The primary specialty registered for this NPI is Dermatology, specializing in Dermatopathology, with taxonomy code 207ND0900X.
Is Bryan Gammon enrolled in Medicare?
Yes. Bryan Gammon 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 Bryan Gammon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bryan Gammon reassigns Medicare benefits to 12 organizations: Associated Pathology Medical Group, Inc (Los Gatos, CA), Diagnostic Pathology Services Of The Central Coast (Santa Maria, CA), Hal M. Weitzbuch, M.D. Medical Corporation (Calabasas, CA), J Robert West, M.D., Inc (Newport Beach, CA), On Site Dermatology Of Texas PLLC (Cedar Park, TX) and 7 more organizations, 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 Bryan Gammon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Bryan Gammon accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Baylor Scott and White Health Plan and 5 other insurers list Bryan Gammon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Bryan Gammon was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.