John E. Whitcomb, M.D.
Emergency Medicine Physician · Milwaukee, WI
John E. Whitcomb, M.D. is an emergency medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1558325191, issued on Apr 12, 2006. Check the license (Wisconsin 25743-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John E. Whitcomb
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25743-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 945 N 12TH St, Milwaukee, WI 53233
- Phone
- (414) 219-7880
- Enumerated
- Apr 12, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 30531100 WI
- Medicare enrollment
- Enrolled (PECOS I20040511001165); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 945 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shant Adamian, DOObstetrics & Gynecology Physician1952861668
- Ola AhmadStudent in an Organized Health Care Education/Training Program1629871645
Verify John E. Whitcomb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 25743-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% more Medicare Part D claims than the average emergency medicine physician in 2024
451 Medicare Part D claims for 102 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium106 claims
- Progesterone86 claims
- Anastrozole56 claims
- Metformin Hcl44 claims
- Testosterone Cypionate40 claims
- Lactulose26 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
- Advantage Physical Therapy And Sports Rehab, LLCKenosha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John E. Whitcomb among 1,464 emergency medicine physician records in Wisconsin
John E. Whitcomb, M.D. is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1977 · median 2011 among the 844 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
358 emergency medicine physician records list a practice address in Milwaukee
They are 358 of the 18,389 NPPES records with a practice address in Milwaukee, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Milwaukee → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ryan Bass, D.O.Milwaukee, WI 532331548467764
- Jaime Butler, MDMilwaukee, WI 532331033120126
- Paul Coogan, MDMilwaukee, WI 532331679526065
- Warren Entwistle, DOMilwaukee, WI 532331225004310
- James Holmberg, M.D.Milwaukee, WI 532331902889736
- Cheryl Jeanpierre, D.O.Milwaukee, WI 532331750343497
- Anne Johnson, M.D.Milwaukee, WI 532331235156878
- Ann Lagerlund, M.D.Milwaukee, WI 532331497965172
Common questions
What is John E. Whitcomb, M.D.'s NPI number?
John E. Whitcomb, M.D.'s National Provider Identifier (NPI) is 1558325191, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John E. Whitcomb, M.D. located?
The NPPES record lists a practice address at 945 N 12TH St, Milwaukee, WI, 53233. Phone: (414) 219-7880. Providers update this record themselves, so call before visiting.
How can I verify John E. Whitcomb, M.D.'s license?
NPPES lists Wisconsin license number 25743-020, 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 John E. Whitcomb, M.D. prescribe under Medicare Part D?
In 2024, John E. Whitcomb, M.D. had 451 Medicare Part D claims for 102 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.