Thomas J. Bartow, MD
Rheumatology Physician · Marshfield, WI
Thomas J. Bartow, MD is a rheumatology physician with a practice address in Marshfield, Wisconsin, and NPI 1598865909, issued on Sep 25, 2006. Check the license (Wisconsin 31515, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas J. Bartow
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 31515 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Oak Ave, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- Sep 25, 2006
- Record last updated
- Sep 30, 2024
- Medicaid ID
- APPR WI
- Medicare enrollment
- Enrolled (PECOS I20110124001074); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 154 in Wisconsin → Look up another NPI →
Also registered at 1000 N Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheetal Aatrai, MDInternal Medicine Physician1417568965
- Sukaina AbbasPediatrics Physician1407529191
- Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
- Ihab Abdalrahman, MDHospitalist Physician1497855134
- Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
- Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574
Verify Thomas J. Bartow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 31515Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average rheumatology physician in 2024
3,171 Medicare Part D claims for 597 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 152 claims were for opioids.
Most prescribed
- Prednisone623 claims
- Methotrexate584 claims
- Hydroxychloroquine Sulfate329 claims
- Meloxicam233 claims
- Allopurinol95 claims
- Leflunomide89 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Marshfield Clinic IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas J. Bartow among 154 rheumatology physician records in Wisconsin
Thomas J. Bartow, MD is one of 154 rheumatology physician records with a practice address in Wisconsin. 76% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1980 · median 2004 among the 97 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Wisconsin
There are 154 rheumatology physician records in Wisconsin.
All 154 in Wisconsin → Every provider in Marshfield → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- David Bjarnason, MDMarshfield, WI 544491417027699
- Lisa Francis, MDMarshfield, WI 544491891958435
- Jerry Goldberg, MDMarshfield, WI 544491487754800
- Gauri Pethe, MDMarshfield, WI 544491497232375
- Howard Swanson, MDMarshfield, WI 544491619077021
- Vera Bocoun, MDWausau, WI 544011235233560
- Jan Ciejka, MDWausau, WI 544011124015557
- Arti Khurana, MDWausau, WI 544011124228499
Common questions
What is Thomas J. Bartow, MD's NPI number?
Thomas J. Bartow, MD's National Provider Identifier (NPI) is 1598865909, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas J. Bartow, MD located?
The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Thomas J. Bartow, MD's license?
NPPES lists Wisconsin license number 31515, 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 Thomas J. Bartow, MD prescribe under Medicare Part D?
In 2024, Thomas J. Bartow, MD had 3,171 Medicare Part D claims for 597 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Thomas J. Bartow, MD's MIPS final score?
The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.