Jennifer E. Macgaffey, MD
Internal Medicine Physician · Wauwatosa, WI
Jennifer E. Macgaffey, MD is an internal medicine physician with a practice address in Wauwatosa, Wisconsin, and NPI 1497786842, issued on Jul 5, 2006. Check the license (Wisconsin 35903, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer E. Macgaffey
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35903 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3289 N Mayfair Road, Wauwatosa, WI 53222
- Phone
- (414) 771-7900
- Enumerated
- Jul 5, 2006
- Record last updated
- Jun 4, 2024
- Fax
- (414) 607-6336
- Medicaid ID
- 32222800 WI
- Medicare enrollment
- Enrolled (PECOS I20050510000531); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1992
- Entity
- Type 1 · individual
Also registered at 3289 N Mayfair Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michele Tschopp, MDInternal Medicine Physician1457386849
Verify Jennifer E. Macgaffey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 35903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,549 Medicare Part D claims for 474 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 82 claims were for opioids.
Most prescribed
- Atorvastatin Calcium481 claims
- Losartan Potassium308 claims
- Rosuvastatin Calcium285 claims
- Omeprazole256 claims
- Trazodone Hcl245 claims
- Levothyroxine Sodium233 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.Wauwatosa, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
45 internal medicine physician records list a practice address in Wauwatosa
They are 45 of the 1,787 NPPES records with a practice address in Wauwatosa, and 2,078 internal medicine physician records in Wisconsin.
All 45 in Wauwatosa → All 2,078 in Wisconsin → Every provider in Wauwatosa →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Jennifer E. Macgaffey, MD's NPI number?
Jennifer E. Macgaffey, MD's National Provider Identifier (NPI) is 1497786842, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer E. Macgaffey, MD located?
The NPPES record lists a practice address at 3289 N Mayfair Road, Wauwatosa, WI, 53222. Phone: (414) 771-7900. Providers update this record themselves, so call before visiting.
How can I verify Jennifer E. Macgaffey, MD's license?
NPPES lists Wisconsin license number 35903, 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 Jennifer E. Macgaffey, MD prescribe under Medicare Part D?
In 2024, Jennifer E. Macgaffey, MD had 6,549 Medicare Part D claims for 474 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.