NPPES file of Aug 9, 2026

Ronald Anthony Herrmann, MD

Psychiatry Physician · Milwaukee, WI

Ronald Anthony Herrmann, MD is a psychiatry physician with a practice address in Milwaukee, Wisconsin, and NPI 1821100538, issued on Aug 31, 2006. Check the license (Wisconsin 35583020, 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
1821100538
Name
Ronald Anthony Herrmann
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
35583020 WI
2558320 WI
Self-reported in NPPES; status is on the state search
Practice location
5000 W National Ave Bldg 70E201, Milwaukee, WI 53295
Phone
(414) 384-2000
Enumerated
Aug 31, 2006
Record last updated
Jul 31, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(414) 382-5269
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Ronald Anthony Herrmann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 35583020
    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

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96% fewer Medicare Part D claims than the average psychiatry physician in 2024

43 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ronald Herrmann43
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl11 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.

Ronald Anthony Herrmann among 929 psychiatry physician records in Wisconsin

Ronald Anthony Herrmann, MD is one of 929 psychiatry physician records with a practice address in Wisconsin. 68% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 50% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 47% of these records are
  • Record last updated2012 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Wisconsin

There are 929 psychiatry physician records in Wisconsin.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Shannon Friedbacher, MDMilwaukee, WI 532951184128381
  2. John Gillmore, MDMilwaukee, WI 532951962453753
  3. Patty Guedet, MDMilwaukee, WI 532951407940018
  4. Jennifer Harkey, DOMilwaukee, WI 532951790214674
  5. Lisa Henriksen, M.D.Milwaukee, WI 532951578656211
  6. Polina Kaplunsky, M.D.Milwaukee, WI 532951780796474
  7. Gunnar Larson, M.D.Milwaukee, WI 532951598787038
  8. Pamela Pletcher, M.D.Milwaukee, WI 532951447361944

Common questions

What is Ronald Anthony Herrmann, MD's NPI number?

Ronald Anthony Herrmann, MD's National Provider Identifier (NPI) is 1821100538, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Anthony Herrmann, MD located?

The NPPES record lists a practice address at 5000 W National Ave Bldg 70E201, Milwaukee, WI, 53295. Phone: (414) 384-2000. Providers update this record themselves, so call before visiting.

How can I verify Ronald Anthony Herrmann, MD's license?

NPPES lists Wisconsin license number 35583020, 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 Anthony Herrmann, MD prescribe under Medicare Part D?

In 2024, Ronald Anthony Herrmann, MD had 43 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.