NPPES file of Aug 9, 2026

Marcus T. Perry, MD

Internal Medicine Physician · Milwaukee, WI

Marcus T. Perry, MD is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1619056264, issued on Nov 3, 2006. Check the license (Wisconsin 47343, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619056264
Name
Marcus T. Perry
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
47343 WI
Self-reported in NPPES; status is on the state search
Practice location
2311 N Prospect, Milwaukee, WI 53211
Phone
(414) 319-3000
Enumerated
Nov 3, 2006
Record last updated
Jun 11, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
34579800 WV
Medicare enrollment
Enrolled (PECOS I20041022000327); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1996
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2311 N Prospect

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Charles Cromwell, MDGastroenterology Physician1629157425
  2. John Gerlach, MDInternal Medicine Physician1841379120
  3. Anthony Linn, MDSurgery Physician1619056306
  4. John Watt, MDInternal Medicine Physician1346329653

Verify Marcus T. Perry in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 47343
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

7,073 Medicare Part D claims for 466 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 212 claims were for opioids.

  1. Marcus Perry7,073
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium447 claims
  2. Amlodipine Besylate310 claims
  3. Lisinopril245 claims
  4. Losartan Potassium240 claims
  5. Pantoprazole Sodium223 claims
  6. Levothyroxine Sodium217 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 2 group practices

  1. Presbyterian Homes OF Wisconsin IncWaukesha, WI
  2. Prohealth Medical Group IncWaukesha, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marcus T. Perry among 2,078 internal medicine physician records in Wisconsin

Marcus T. Perry, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 46% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1996 · median 2002 among the 1,098 with a school on file
  • Record last updated2012 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

382 internal medicine physician records list a practice address in Milwaukee

They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Catherine Aleman, MDMilwaukee, WI 532111528147428
  2. Mitchell Carneol, MDMilwaukee, WI 532111205915105
  3. Daniel Hettinger, M.D.Milwaukee, WI 532111952411514
  4. Kevin Krembs, MDMilwaukee, WI 532111134209265
  5. Jennifer Leber, DOMilwaukee, WI 532111528014057
  6. Agnes Lun, MDMilwaukee, WI 532111437105459
  7. Andrew McGown, MDMilwaukee, WI 532111912954017
  8. Nancy Reeder, MDMilwaukee, WI 532111245270362

Common questions

What is Marcus T. Perry, MD's NPI number?

Marcus T. Perry, MD's National Provider Identifier (NPI) is 1619056264, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marcus T. Perry, MD located?

The NPPES record lists a practice address at 2311 N Prospect, Milwaukee, WI, 53211. Phone: (414) 319-3000. Providers update this record themselves, so call before visiting.

How can I verify Marcus T. Perry, MD's license?

NPPES lists Wisconsin license number 47343, 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 Marcus T. Perry, MD prescribe under Medicare Part D?

In 2024, Marcus T. Perry, MD had 7,073 Medicare Part D claims for 466 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.