Rick A. Erdman, MD
Internal Medicine Physician · Tomah, WI
Rick A. Erdman, MD is an internal medicine physician with a practice address in Tomah, Wisconsin, and NPI 1952306011, issued on Jun 16, 2005. Check the license (Wisconsin 37126, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rick A. Erdman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 37126 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1330 N Superior Ave, Tomah, WI 54660
- Phone
- (608) 372-4111
- Enumerated
- Jun 16, 2005
- Record last updated
- Jan 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 32174600 WI
- Medicare enrollment
- Enrolled (PECOS I20080529000355); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1330 N Superior Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelly Hodgson-Kline, MDPediatrics Physician1508862699
- Robert Holness, M.D.Obstetrics & Gynecology Physician1396066387
Verify Rick A. Erdman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37126Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
9,448 Medicare Part D claims for 612 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. 120 claims were for opioids.
Most prescribed
- Atorvastatin Calcium780 claims
- Metoprolol Succinate478 claims
- Lisinopril423 claims
- Metformin Hcl Er347 claims
- Levothyroxine Sodium340 claims
- Omeprazole324 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
- Gundersen Clinic LtdOnalaska, WI
- St Joseph's Health Services IncElroy, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rick A. Erdman among 2,078 internal medicine physician records in Wisconsin
Rick A. Erdman, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2002 among the 1,098 with a school on file
- Record last updated2016 · 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).
Internal Medicine Physician providers in Wisconsin
There are 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Tomah → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Bailey, M.D.Tomah, WI 546601124068168
- Bradley Bekkum, MDTomah, WI 546601316054687
- Katherine Kostamo, MDTomah, WI 546601336159672
- Bruno Rios, MDTomah, WI 546601609910462
- Craig Saltzgiver, M.D.Tomah, WI 546601710905757
- Jeffrey Addison, D.O.Onalaska, WI 546501295268571
- Steven Bowman, DOOnalaska, WI 546501851374284
- Gerlyn Brasic, MDOnalaska, WI 546501033104427
Common questions
What is Rick A. Erdman, MD's NPI number?
Rick A. Erdman, MD's National Provider Identifier (NPI) is 1952306011, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rick A. Erdman, MD located?
The NPPES record lists a practice address at 1330 N Superior Ave, Tomah, WI, 54660. Phone: (608) 372-4111. Providers update this record themselves, so call before visiting.
How can I verify Rick A. Erdman, MD's license?
NPPES lists Wisconsin license number 37126, 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 Rick A. Erdman, MD prescribe under Medicare Part D?
In 2024, Rick A. Erdman, MD had 9,448 Medicare Part D claims for 612 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.