Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Golden State Dermatology Associates, Inc

Organization Dermatology Physician · NPI 1700860871

Golden State Dermatology Associates, Inc is a Dermatology Physician in Walnut Creek, California. Works from 14 locations. Registered with an NPI since 2005.

In the registry since
2005
Specialties on file
4
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

355 Lennon Ln Ste 255
Walnut Creek, CA 94598-2496
Phone: (925) 932-7704
Fax: (925) 932-7752
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (13)

  • 1200 Central Blvd Ste D, Brentwood, CA 94513-2227 — (925) 308-9510
  • 5640 N Fresno St Ste 110, Fresno, CA 93710-6098 — (559) 266-9906
  • 1058 Murrieta Blvd, Livermore, CA 94550-4111 — (925) 277-1300
  • 410 E Yosemite Ave Ste C, Merced, CA 95340-8220 — (209) 722-7801
  • 1324 Nelson Ave, Modesto, CA 95350-5374 — (209) 524-9481
  • 400 Taylor Blvd Ste 301, Pleasant Hill, CA 94523-2160 — (925) 687-8882
  • 5575 W Las Positas Blvd Ste 260, Pleasanton, CA 94588-5803 — (925) 847-3020
  • 280 Baldwin Ave, San Mateo, CA 94401-3915 — (650) 727-6008
  • 5201 Norris Canyon Rd, San Ramon, CA 94583-5411 — (925) 277-1300
  • 1542 N Tracy Blvd # A, Tracy, CA 95376-2903 — (209) 836-2220
  • 1000 Delbon Ave Ste 8, Turlock, CA 95382-2008 — (209) 722-7801
  • 355 Lennon Ln Ste 235, Walnut Creek, CA 94598-2544 — (925) 357-9050
  • 2255 Ygnacio Valley Rd Ste B1, Walnut Creek, CA 94598-3335 — (925) 945-7005

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X
Dermatopathology Physician Taxonomy 207ND0900X
Procedural Dermatology Physician Taxonomy 207NS0135X

Record details

NPI number1700860871
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jeffrey Bortz — Owner/Medical Director · (925) 932-7704
NPI enumeratedDecember 2, 2005
Last updated in NPPESMarch 27, 2026
Certification dateMarch 27, 2026
Mailing address370 N Wiget Ln Ste 250, Walnut Creek, CA 94598-2488

Other providers in Walnut Creek