William A. Liss, MD
Dermatology Physician · Pleasanton, CA
William A. Liss, MD is a dermatology physician with a practice address in Pleasanton, California, and NPI 1740368828, issued on Nov 2, 2006. Check the license (California G74006, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William A. Liss
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G74006 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7601 Stoneridge Dr, Pleasanton, CA 94588
- Phone
- (925) 847-5000
- Enumerated
- Nov 2, 2006
- Record last updated
- May 10, 2024
- Medicaid ID
- 00G740060 CA
- Medicare enrollment
- Enrolled (PECOS I20110308000903); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 7601 Stoneridge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yvonne Alger, NPWomen's Health Nurse Practitioner1083609283
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- Deborah Ansley, MDObstetrics & Gynecology Physician1336227412
- Laura Balassone, R.N.P.Adult Health Nurse Practitioner1063523843
- Parvathi Banda, MDInternal Medicine Physician1932247939
- Vijay Bhat, M.D.Internal Medicine Physician1689120560
Verify William A. Liss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average dermatology physician in 2024
728 Medicare Part D claims for 231 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Triamcinolone Acetonide126 claims
- Fluocinonide64 claims
- Ketoconazole56 claims
- Hydrocortisone55 claims
- Doxycycline Hyclate33 claims
- Clobetasol Propionate31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $983.12
16 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Csi Medical GroupMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William A. Liss among 2,083 dermatology physician records in California
William A. Liss, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 2006 among the 1,450 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Pleasanton → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Lily Adelzadeh, MDPleasanton, CA 945881265852180
- Juliana Cinque, MDPleasanton, CA 945881083643084
- Minh Dang, MDPleasanton, CA 945881629058441
- Ha Do, MD, MAPleasanton, CA 945881831325679
- Clemens Esche, M.D.Pleasanton, CA 945881790826394
- Hank Fung, MPleasanton, CA 945881992852131
- Ravneet Kaur, M.D.Pleasanton, CA 945881336382662
- Alice Lee, MDPleasanton, CA 945881255340311
Common questions
What is William A. Liss, MD's NPI number?
William A. Liss, MD's National Provider Identifier (NPI) is 1740368828, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Liss, MD located?
The NPPES record lists a practice address at 7601 Stoneridge Dr, Pleasanton, CA, 94588. Phone: (925) 847-5000. Providers update this record themselves, so call before visiting.
How can I verify William A. Liss, MD's license?
NPPES lists California license number G74006, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William A. Liss, MD prescribe under Medicare Part D?
In 2024, William A. Liss, MD had 728 Medicare Part D claims for 231 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is William A. Liss, MD's MIPS final score?
The 2023 MIPS final score is 98.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.