Bryan L Gammon, M.D.
Dermatology · Micrographic Dermatologic Surgery (Mds) · Pathology (CMS) · San Jose, CA
At a glance
2420 Samaritan Dr, San Jose, CA 95124-3907
NPPES record updated Jun 11, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
2420 Samaritan DrSan Jose, CA 95124-3907
Additional reported practice locations
4131 Directors RowHouston, TX 770928703
Phone: 8776972447
Fax: 8556972447 65 Broadway Ste 1606
New York, NY 100062562
Phone: 2122833000
Fax: 2129373303 4575 Benes Ave
Glen Carbon, IL 620341541
Phone: 6189611950
Education & affiliations
- Medical / professional school
- University Of Texas Southwestern Medical School At Dallas
- Graduation year
- 2008
- CMS specialties
- Dermatology · Micrographic Dermatologic Surgery (Mds) · Pathology
Practice groups
- Csi Medical Group
- Diagnostic Pathology Services Of The Central Coast
- Hal M Weitzbuch Md Medical Corporation
- Sagis Pllc
- Schweiger Dermatology Pllc
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Dermatology · Micrographic Dermatologic Surgery (Mds) · Pathology (CMS)
- Taxonomy code
- 207ND0900X
- Enumeration date
- May 13, 2008
- Record updated
- Jun 11, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207ND0900X · Primary
License reported: A118101 CA
207N00000X
License reported: R0862 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2420 Samaritan DrSan Jose, CA 95124-3907
- Phone
- (408) 369-5600
- Fax
- (408) 369-5625
Mailing address
4131 DIRECTORS ROWHOUSTON, TX 770928703
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue