Zachary C. Wallace, MD
Family Medicine Physician · Grafton, WI
Zachary C. Wallace, MD is a family medicine physician with a practice address in Grafton, Wisconsin, and NPI 1982353637, issued on Mar 21, 2022. Check the license (Wisconsin 84265, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Zachary C. Wallace
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 84265 WI
Self-reported in NPPES; status is on the state search - Practice location
- 215 Washington St, Grafton, WI 53024
- Phone
- (262) 375-3700
- Enumerated
- Mar 21, 2022
- Record last updated
- Jul 31, 2025
- Medicaid ID
- 100290835 WI
- Medicare enrollment
- Enrolled (PECOS I20250728002385); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 215 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Attanasio, D.O.Internal Medicine Physician1609801380
- Erica Barreto, PTPhysical Therapist1932777026
- Sarah BauwensObstetrics & Gynecology Physician1770970956
- Terence Beilfuss, P.T.Physical Therapist1376574640
- Adam Calusic, DOFamily Medicine Physician1790713436
- Alexandra Carley, M.D.Dermatology Physician1083843114
Verify Zachary C. Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 84265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
32 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide16 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.
Bills Medicare through one group practice
- Aurora Advanced Healthcare, Inc.Grafton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary C. Wallace among 3,765 family medicine physician records in Wisconsin
Zachary C. Wallace, 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. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2007 among the 2,347 with a school on file
- Record last updated2025 · 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).
6 family medicine physician records list a practice address in Grafton
They are 6 of the 459 NPPES records with a practice address in Grafton, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Grafton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jaime Cabatingan, M.D.Grafton, WI 530241144406869
- Adam Calusic, DOGrafton, WI 530241790713436
- Augustin Hernandez, DOGrafton, WI 530241023767415
- Mark Shewczyk, MDGrafton, WI 530241609809672
- Lauren Weasler, MDGrafton, WI 530241013449685
- Tarek Amin, D.O.Germantown, WI 530221710322789
- Bruce Boyd, MDGermantown, WI 530221629000864
- Alvin Cardona, MDGermantown, WI 530221174016935
Common questions
What is Zachary C. Wallace, MD's NPI number?
Zachary C. Wallace, MD's National Provider Identifier (NPI) is 1982353637, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Zachary C. Wallace, MD located?
The NPPES record lists a practice address at 215 Washington St, Grafton, WI, 53024. Phone: (262) 375-3700. Providers update this record themselves, so call before visiting.
How can I verify Zachary C. Wallace, MD's license?
NPPES lists Wisconsin license number 84265, 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 Zachary C. Wallace, MD prescribe under Medicare Part D?
In 2024, Zachary C. Wallace, MD had 32 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.