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

William A. Liss, MD

Individual provider Dermatology Physician · NPI 1740368828

William A. Liss, MD is a Dermatology in Pleasanton, California. Graduated from Ohio State University College of Medicine in 1988, 38 years ago. Practices with Csi Medical Group, a 104-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
38
Trained at
Ohio State University College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7601 Stoneridge Dr
Pleasanton, CA 94588-4501
Phone: (925) 847-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 9460 N Name Uno Ste 210, Gilroy, CA 95020-3532 — (408) 847-0888
  • 9781 Blue Larkspur Ln, Monterey, CA 93940-6509 — (831) 333-9008
  • 114 E Romie Ln, Salinas, CA 93901-3126 — (831) 757-1007

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence G74006 (CA)

Record details

NPI number1740368828
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESMay 10, 2024
Certification dateMay 10, 2024
Mailing address1800 Harrison St Fl 7, Oakland, CA 94612-3466

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Csi Medical Group — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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