NPPES file of Aug 9, 2026

Stephen Christopher Malcom, M.D.

Internal Medicine Physician · Milwaukee, WI

Stephen Christopher Malcom, M.D. is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1225254998, issued on Apr 18, 2007. Check the license (Wisconsin 52347, 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
1225254998
Name
Stephen Christopher Malcom
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
52347 WI
Self-reported in NPPES; status is on the state search
Practice location
1155 N Mayfair RD, Milwaukee, WI 53226
Phone
(414) 955-5990
Enumerated
Apr 18, 2007
Record last updated
Jun 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(414) 955-6282
Medicaid ID
1225254998 WI
Medicare enrollment
Enrolled (PECOS I20090210000142); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2007
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 1155 N Mayfair RD

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

  1. Syed Ahmed, MDFamily Medicine Physician1982655460
  2. Yoshiaki Akiya, M.D.Family Medicine Physician1245386614
  3. Mary Alvarez, MDPsychiatry Physician1669424230
  4. Anne Anderson, PAMedical Physician Assistant1285685701
  5. Danielle Anderson, M.D.Psychiatry Physician1063568202
  6. Adrian Battiston, MD, FRCSCPlastic Surgery Physician1073403465

Verify Stephen Christopher Malcom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 52347
    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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24% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,416 Medicare Part D claims for 184 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 46 claims were for opioids.

  1. Stephen Malcom2,416
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium215 claims
  2. Amlodipine Besylate130 claims
  3. Lisinopril94 claims
  4. Losartan Potassium89 claims
  5. Escitalopram Oxalate70 claims
  6. Pantoprazole Sodium70 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

  1. Froedtert Andthe Medical College OF Wisconsin Community Physicians IncWauwatosa, WI

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

Stephen Christopher Malcom among 2,078 internal medicine physician records in Wisconsin

Stephen Christopher Malcom, M.D. 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 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2007 · 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. Gary Barnas, MDMilwaukee, WI 532261902857329
  2. Karen Fickel, MDMilwaukee, WI 532261336190255
  3. Kathlyn Fletcher, MDMilwaukee, WI 532261306897236
  4. Sandra Green, MDMilwaukee, WI 532261871544692
  5. Tiffany Hubbard, MDWauwatosa, WI 532261518918093
  6. Samuel Idarraga, M.D.Wauwatosa, WI 532261700850070
  7. Jasna Jevtic, MDMilwaukee, WI 532261386695823
  8. Jack Kaufman, MDMilwaukee, WI 532261740231299

Common questions

What is Stephen Christopher Malcom, M.D.'s NPI number?

Stephen Christopher Malcom, M.D.'s National Provider Identifier (NPI) is 1225254998, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Christopher Malcom, M.D. located?

The NPPES record lists a practice address at 1155 N Mayfair RD, Milwaukee, WI, 53226. Phone: (414) 955-5990. Providers update this record themselves, so call before visiting.

How can I verify Stephen Christopher Malcom, M.D.'s license?

NPPES lists Wisconsin license number 52347, 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 Stephen Christopher Malcom, M.D. prescribe under Medicare Part D?

In 2024, Stephen Christopher Malcom, M.D. had 2,416 Medicare Part D claims for 184 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.