William Nicholson, MD
Family Medicine Physician · West Allis, WI
William Nicholson, MD is a family medicine physician with a practice address in West Allis, Wisconsin, and NPI 1003830142, issued on Jul 26, 2006. Check the license (Wisconsin 37383, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Nicholson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 37383 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2514 S 102ND St Ste 160, West Allis, WI 53227
- Phone
- (414) 255-0300
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (414) 543-9601
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 2514 S 102ND St Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Inez Adams, NPFamily Nurse Practitioner1255877544
- Ligeia Collins, M.D. M.A.Family Medicine Physician1689880866
- Pamela Deback, NPNurse Practitioner1487948626
- Dezari Dykstra, RN-MSN,FNP, APNPFamily Nurse Practitioner1225105786
- Kezza FryeGerontology Nurse Practitioner1700405396
- Michael Hazelberg, DOFamily Medicine Physician1013051069
Verify William Nicholson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Nicholson among 3,765 family medicine physician records in Wisconsin
William Nicholson, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 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 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 family medicine physician records list a practice address in West Allis
They are 51 of the 1,362 NPPES records with a practice address in West Allis, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,765 in Wisconsin → Every provider in West Allis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Byom, DOWest Allis, WI 532271346328879
- Peggy Callahan, MDWest Allis, WI 532271093732661
- Gregory Goetz, MDMilwaukee, WI 532271821113531
- Michael Hazelberg, DOWest Allis, WI 532271013051069
- Sheeba Minhas-Pannu, MDWest Allis, WI 532271669425344
- Theresa Pardoe, M.D.West Allis, WI 532271215981733
- Harold Riches, D.O.West Allis, WI 532271609802503
- Lynn Stanco, MDWest Allis, WI 532271841380318
Common questions
What is William Nicholson, MD's NPI number?
William Nicholson, MD's National Provider Identifier (NPI) is 1003830142, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Nicholson, MD located?
The NPPES record lists a practice address at 2514 S 102ND St Ste 160, West Allis, WI, 53227. Phone: (414) 255-0300. Providers update this record themselves, so call before visiting.
How can I verify William Nicholson, MD's license?
NPPES lists Wisconsin license number 37383, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.