William Liss, MD
NPI 1740368828 · Dermatology Physician · Pleasanton, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Liss, MD is a Dermatology Physician provider in Pleasanton, CA (NPI 1740368828).
Provider details
- NPI number
- 1740368828
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G74006 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,297 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,224 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 325 | $97 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 284 | $62 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 102 | $61 |
| Biopsy of Related Skin Growth, First Growth11102 | 96 | $106 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 126 | 68 |
| Fluocinonide | 64 | 38 |
| Ketoconazole | 56 | 29 |
| Hydrocortisone | 55 | 39 |
| Doxycycline Hyclate | 33 | 14 |
| Clobetasol Propionate | 31 | 17 |
| Clindamycin Phosphate | 28 | 17 |
| Terbinafine Hcl | 27 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$983 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 9460 N Name Uno Ste 210Gilroy, CA 95020-3532Phone: (408) 847-0888Fax: (831) 847-1257
- 9781 Blue Larkspur LnMonterey, CA 93940-6509Phone: (831) 333-9008Fax: (831) 333-9010
- 114 E Romie LnSalinas, CA 93901-3126Phone: (831) 757-1007Fax: (831) 757-0352
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2024-05-10
- Certified
- 2024-05-10
Frequently asked questions
- What is William Liss's NPI number?
- William Liss's National Provider Identifier (NPI) is 1740368828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Liss's specialty?
- William Liss is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Liss located?
- William Liss's practice location on file with NPPES is 7601 Stoneridge Dr, Pleasanton, CA 94588-4501.
- What is William Liss's phone number?
- The practice phone number listed in the NPPES registry for William Liss is (925) 847-5000.
- Does William Liss accept Medicare?
- William Liss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Liss's NPI active?
- Yes — William Liss's NPI (1740368828) is active in the NPPES registry as of the last update on 2024-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.