NPPES file of Aug 9, 2026

Ronald Hamrick, MD

Dermatology Physician · Milwaukee, WI

Ronald Hamrick, MD is a dermatology physician with a practice address in Milwaukee, Wisconsin, and NPI 1447542162, issued on May 12, 2011. Check the license (Wisconsin 74215, 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
1447542162
Name
Ronald Hamrick
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
74215 WI
54105 TN
MD54105 TN
Self-reported in NPPES; status is on the state search
Practice location
9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 805-5320
Enumerated
May 12, 2011
Record last updated
Nov 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(414) 805-5323
Medicaid ID
Q023311 TN
Medicare enrollment
Enrolled (PECOS I20160823000543); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2011
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.
Download card Updates feed

Also registered at 9200 W Wisconsin Ave

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

  1. Shameem Aadam, RPHPharmacist1760755680
  2. Abubaker Abdalla, MDHospitalist Physician1194187617
  3. Sameem Abedin, MDHematology & Oncology Physician1063641157
  4. Lolia Abibo, M.D.Hospitalist Physician1912359795
  5. Haisam Abid, MBBSHospitalist Physician1578083184
  6. Faith Abodunrin, MDHematology & Oncology Physician1437768769

Verify Ronald Hamrick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 74215
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

64% fewer Medicare Part D claims than the average dermatology physician in 2024

288 Medicare Part D claims for 100 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Ronald Hamrick288
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide38 claims
  2. Clobetasol Propionate27 claims
  3. Hydrocortisone17 claims
  4. Ketoconazole17 claims
  5. Prednisone17 claims
  6. Mycophenolate Mofetil13 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.

Industry payments in 2024: $639.25

29 payments; by number, the most common kind was food and beverage; the largest payer was Chiesi USA, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ronald Hamrick$639.25
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. University Health System, Inc.Knoxville, TN
  2. University OF TennesseeKnoxville, TN

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

Ronald Hamrick among 325 dermatology physician records in Wisconsin

Ronald Hamrick, MD is one of 325 dermatology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 58% of them.

  • NPI issued2011 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2011 · median 2009 among the 228 with a school on file
  • Record last updated2020 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Wisconsin

There are 325 dermatology physician records in Wisconsin.

The 8 dermatology physician records with the nearest ZIP codes

  1. James Barnett, M.D.Wauwatosa, WI 532261366442691
  2. Keri Chaney, M.D.Wauwatosa, WI 532261154467827
  3. Yvonne Chiu, MDMilwaukee, WI 532261043393408
  4. Kenneth Gordon, M.D.Wauwatosa, WI 532261790865806
  5. Sidney Herszenson, M.D.Milwaukee, WI 532261841264074
  6. Stephen HumphreyMilwaukee, WI 532261417246257
  7. Sam Hwang, M.D., PH.D.Milwaukee, WI 532261760500813
  8. Marcelle Neuburg, MDMilwaukee, WI 532261992757660

Common questions

What is Ronald Hamrick, MD's NPI number?

Ronald Hamrick, MD's National Provider Identifier (NPI) is 1447542162, issued on May 12, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Hamrick, MD located?

The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-5320. Providers update this record themselves, so call before visiting.

How can I verify Ronald Hamrick, MD's license?

NPPES lists Wisconsin license number 74215, 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 Ronald Hamrick, MD prescribe under Medicare Part D?

In 2024, Ronald Hamrick, MD had 288 Medicare Part D claims for 100 beneficiaries; the average among dermatology physician prescribers was 797. 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.