Robert J. Tillotson, DO
Emergency Medicine Physician · Eau Claire, WI
Robert J. Tillotson, DO is an emergency medicine physician with a practice address in Eau Claire, Wisconsin, and NPI 1679601983, issued on Feb 28, 2007. Check the license (Wisconsin 38499, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert J. Tillotson
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 38499 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Whipple St, Eau Claire, WI 54703
- Phone
- (715) 838-5222
- Enumerated
- Feb 28, 2007
- Record last updated
- Jul 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20100109000403); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1984
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 1221 Whipple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justine Abel, DOEmergency Medicine Physician1861830507
- Andera Anderson, RPHPharmacist1598213761
- Andrea Anderson, CRNACertified Registered Nurse Anesthetist1033101894
- Charlene Anderson, APNPNurse Practitioner1194057752
- Gwen Anderson, CRNACertified Registered Nurse Anesthetist1316103369
- Hailee Anderson, CRNACertified Registered Nurse Anesthetist1598453425
Verify Robert J. Tillotson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 38499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average emergency medicine physician in 2024
69 Medicare Part D claims for 37 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone14 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: $460.96
7 payments; by number, the most common kind was food and beverage; the largest payer was Mindray DS USA, Inc. The 12,335 providers of this specialty with any payment received $953.79 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 one group practice
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert J. Tillotson among 1,464 emergency medicine physician records in Wisconsin
Robert J. Tillotson, DO is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1984 · median 2011 among the 844 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 emergency medicine physician records list a practice address in Eau Claire
They are 66 of the 3,085 NPPES records with a practice address in Eau Claire, and 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Eau Claire → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alex Beuning, MDEau Claire, WI 547031295715860
- Susan Cullinan, MDEau Claire, WI 547031215995980
- Michael Hartman, MDEau Claire, WI 547031962450544
- Paul Horvath, M.D.Eau Claire, WI 547031912029141
- John Jacobson, MDEau Claire, WI 547031508829748
- Paul Krantz, D.O.Eau Claire, WI 547031447289053
- Sheffey Massey, DOEau Claire, WI 547031609834365
- Matthew Olmstead, D.O.Eau Claire, WI 547031093836843
Common questions
What is Robert J. Tillotson, DO's NPI number?
Robert J. Tillotson, DO's National Provider Identifier (NPI) is 1679601983, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Tillotson, DO located?
The NPPES record lists a practice address at 1221 Whipple St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Tillotson, DO's license?
NPPES lists Wisconsin license number 38499, 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 Robert J. Tillotson, DO prescribe under Medicare Part D?
In 2024, Robert J. Tillotson, DO had 69 Medicare Part D claims for 37 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.