Walter Leroy Williams, M.D.
Dermatology Physician · Clarkston, WA
Walter Leroy Williams, M.D. is a dermatology physician with a practice address in Clarkston, Washington, and NPI 1841269248, issued on Mar 16, 2006. Check the license (Washington MD.MD.00041565, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Walter Leroy Williams
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD.MD.00041565 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1433 5TH St, Clarkston, WA 99403
- Phone
- (509) 758-5141
- Enumerated
- Mar 16, 2006
- Record last updated
- Aug 4, 2026
- Fax
- (509) 758-5299
- Medicaid ID
- 806377300 ID
- Medicare enrollment
- Enrolled (PECOS I20040908000156); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1996
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 384 in Washington → Look up another NPI →
Also registered at 1433 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Blazzard, PA-CPhysician Assistant1326125485
- James Komorous, MDDermatology Physician1053313411
- Jennifer Nicholas, FNPNurse Practitioner1083978837
- Carolyn Shoemaker, PA-CPhysician Assistant1477856649
Verify Walter Leroy Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD.MD.00041565Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average dermatology physician in 2024
881 Medicare Part D claims for 455 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Fluorouracil121 claims
- Cephalexin93 claims
- Clobetasol Propionate93 claims
- Triamcinolone Acetonide56 claims
- Ketoconazole49 claims
- Doxycycline Hyclate44 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): 92 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).
Bills Medicare through one group practice
- Integrated Dermatology OF Clarkston PLLCPullman, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter Leroy Williams among 384 dermatology physician records in Washington
Walter Leroy Williams, M.D. is one of 384 dermatology physician records with a practice address in Washington. 82% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1996 · median 2009 among the 275 with a school on file
- Record last updated2026 · 56% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Washington
There are 384 dermatology physician records in Washington.
All 384 in Washington → Every provider in Clarkston → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- James Komorous, MDClarkston, WA 994031053313411
- Alexandria Booth, M.D.Walla Walla, WA 993621588872352
- David Panther, MDWalla Walla, WA 993621306106547
- Eileen Smith, MDWalla Walla, WA 993621558340554
- Laurel Stevens, M.D.Walla Walla, WA 993621912225160
- Jeffrey Stiles, M.D.Walla Walla, WA 993621396719456
- Allison Salgado, PA-CRichland, WA 993521770310484
- Sidney Smith, MDRichland, WA 993521326139080
Common questions
What is Walter Leroy Williams, M.D.'s NPI number?
Walter Leroy Williams, M.D.'s National Provider Identifier (NPI) is 1841269248, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Leroy Williams, M.D. located?
The NPPES record lists a practice address at 1433 5TH St, Clarkston, WA, 99403. Phone: (509) 758-5141. Providers update this record themselves, so call before visiting.
How can I verify Walter Leroy Williams, M.D.'s license?
NPPES lists Washington license number MD.MD.00041565, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Walter Leroy Williams, M.D. prescribe under Medicare Part D?
In 2024, Walter Leroy Williams, M.D. had 881 Medicare Part D claims for 455 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Walter Leroy Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 92 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.