Isaac Theerman, D.O.
Surgery Physician · Eau Claire, WI
Isaac Theerman, D.O. is a surgery physician with a practice address in Eau Claire, Wisconsin, and NPI 1659702421, issued on Dec 4, 2013. Check the license (Wisconsin 22147, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Isaac Theerman
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 22147 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Bellinger St, Eau Claire, WI 54703
- Phone
- (715) 838-5222
- Enumerated
- Dec 4, 2013
- Record last updated
- Aug 23, 2022
- Medicare enrollment
- Enrolled (PECOS I20220919000925); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 726 in Wisconsin → Look up another NPI →
Also registered at 1400 Bellinger St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ajit Abraham, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1487899936
- Gina Adel, MDRheumatology Physician1841231727
- Adeniyi Adenote, PT, DPTPhysical Therapist1114564333
- Kirsten Aexel Handley, CNMAdvanced Practice Midwife1952523078
- Andrea Aguayo, PHARMDPharmacist1003507492
- Boshra Al Ibraheem, MDFamily Medicine Physician1376399444
Verify Isaac Theerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 22147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average surgery physician in 2024
22 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Most prescribed
- Spironolactone12 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: $90.88
1 payment: food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Theerman among 726 surgery physician records in Wisconsin
Isaac Theerman, D.O. is one of 726 surgery physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2006 among the 446 with a school on file
- Record last updated2022 · 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 208600000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Wisconsin
There are 726 surgery physician records in Wisconsin.
All 726 in Wisconsin → Every provider in Eau Claire → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Angela Appel, MDEau Claire, WI 547031073805305
- Jason Beckermann, MDEau Claire, WI 547031558583534
- Rosmeld Castillo, MDEau Claire, WI 547031205320280
- David Ciresi, MDEau Claire, WI 547031275510323
- Bradley Grewe, MDEau Claire, WI 547031316924327
- Chris Hower, MDEau Claire, WI 547031750368767
- Steven Johnson, MDEau Claire, WI 547031457338469
- Zoe Lake, MDEau Claire, WI 547031790218311
Common questions
What is Isaac Theerman, D.O.'s NPI number?
Isaac Theerman, D.O.'s National Provider Identifier (NPI) is 1659702421, issued on Dec 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Theerman, D.O. located?
The NPPES record lists a practice address at 1400 Bellinger St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.
How can I verify Isaac Theerman, D.O.'s license?
NPPES lists Wisconsin license number 22147, 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 Isaac Theerman, D.O. prescribe under Medicare Part D?
In 2024, Isaac Theerman, D.O. had 22 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.