NPPES file of Aug 9, 2026

Brian J. Erdmann, MD

Internal Medicine Physician · Rhinelander, WI

Brian J. Erdmann, MD is an internal medicine physician with a practice address in Rhinelander, Wisconsin, and NPI 1679689582, issued on Aug 22, 2006. Check the license (Wisconsin 39040, 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
1679689582
Name
Brian J. Erdmann
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
39040 WI
Self-reported in NPPES; status is on the state search
Practice location
580 Shepard St, Rhinelander, WI 54501
Phone
(715) 420-1831
Enumerated
Aug 22, 2006
Record last updated
Aug 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(715) 420-1829
Medicaid ID
32479700 WI
Medicare enrollment
Enrolled (PECOS I20040528000863); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1996
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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Verify Brian J. Erdmann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 39040
    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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61% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,232 Medicare Part D claims for 305 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Brian Erdmann1,232
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate72 claims
  2. Lisinopril62 claims
  3. Rosuvastatin Calcium58 claims
  4. Losartan Potassium51 claims
  5. Hydrochlorothiazide50 claims
  6. Prednisone50 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. Thedacare Medical Center - Shawano, Inc.Shawano, WI
  2. Thedacare, IncorporatedShawano, WI

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

Brian J. Erdmann among 2,078 internal medicine physician records in Wisconsin

Brian J. Erdmann, 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 updated2017 · 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).

12 internal medicine physician records list a practice address in Rhinelander

They are 12 of the 497 NPPES records with a practice address in Rhinelander, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Margaret Abel, MDRhinelander, WI 545011477590487
  2. Steven Brooks, MDRhinelander, WI 545011235178898
  3. Michael Henry, MDRhinelander, WI 545011891734927
  4. Christopher Koeppl, MDRhinelander, WI 545011124074679
  5. Bruce Kotila, MDRhinelander, WI 545011467407650
  6. Danny Lundberg, MDRhinelander, WI 545011750337788
  7. Fariba Nikpour, D.ORhinelander, WI 545011265632764
  8. Leo Norden, MDRhinelander, WI 545011881649770

Common questions

What is Brian J. Erdmann, MD's NPI number?

Brian J. Erdmann, MD's National Provider Identifier (NPI) is 1679689582, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian J. Erdmann, MD located?

The NPPES record lists a practice address at 580 Shepard St, Rhinelander, WI, 54501. Phone: (715) 420-1831. Providers update this record themselves, so call before visiting.

How can I verify Brian J. Erdmann, MD's license?

NPPES lists Wisconsin license number 39040, 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 Brian J. Erdmann, MD prescribe under Medicare Part D?

In 2024, Brian J. Erdmann, MD had 1,232 Medicare Part D claims for 305 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.