Donald Alan Wollheim, MD WCC
Surgery Physician · Watertown, WI
Donald Alan Wollheim, MD WCC is a surgery physician with a practice address in Watertown, Wisconsin, and NPI 1669483897, issued on Aug 11, 2006. Check the license (Wisconsin 20951020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Donald Alan Wollheim
- Credential
- MD WCC
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 20951020 WI
Self-reported in NPPES; status is on the state search - Practice location
- N8748 Hustisford RD, Watertown, WI 53094
- Phone
- (920) 261-4069
- Enumerated
- Aug 11, 2006
- Record last updated
- Apr 26, 2022
- Medicaid ID
- 30384200 WI
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 726 in Wisconsin → Look up another NPI →
Verify Donald Alan Wollheim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 20951020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average surgery physician in 2024
13 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Donald Alan Wollheim among 726 surgery physician records in Wisconsin
Donald Alan Wollheim, MD WCC is one of 726 surgery physician records with a practice address in Wisconsin. 72% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 52% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Wisconsin
There are 726 surgery physician records in Wisconsin.
All 726 in Wisconsin → Every provider in Watertown → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Kaizad Machhi, MDWest Bend, WI 530951083798474
- Eric SonesonWest Bend, WI 530951811079643
- Dorene Zerfas, M.D.West Bend, WI 530951427299973
- Thomas Eaton, MDMequon, WI 530921265574719
- Richard Cattey, MDMequon, WI 530971548294960
- Joseph Regan, M.D.Mequon, WI 530971639116486
- Lief Erickson, MDBurlington, WI 531051801901913
- Stephen Kmecak, MDBurlington, WI 531051225145758
Common questions
What is Donald Alan Wollheim, MD WCC's NPI number?
Donald Alan Wollheim, MD WCC's National Provider Identifier (NPI) is 1669483897, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Alan Wollheim, MD WCC located?
The NPPES record lists a practice address at N8748 Hustisford RD, Watertown, WI, 53094. Phone: (920) 261-4069. Providers update this record themselves, so call before visiting.
How can I verify Donald Alan Wollheim, MD WCC's license?
NPPES lists Wisconsin license number 20951020, 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.
How much does Donald Alan Wollheim, MD WCC prescribe under Medicare Part D?
In 2024, Donald Alan Wollheim, MD WCC had 13 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
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.