Maria Thomas-John, MD
Rheumatology Physician · Dayton, OH
Maria Thomas-John, MD is a rheumatology physician with a practice address in Dayton, Ohio, and NPI 1285847855, issued on May 8, 2007. Check the license (Ohio 35.087224, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Maria Thomas-John
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 35.087224 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1520 S Main St, Dayton, OH 45409
- Phone
- (937) 208-7275
- Enumerated
- May 8, 2007
- Record last updated
- Nov 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (937) 208-7282
- Medicaid ID
- 2789611 OH
- Medicare enrollment
- Enrolled (PECOS I20070914000048); accepts Medicare assignment
- Medical or professional school
- Wright State University Boonshoft School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 289 in Ohio → Look up another NPI →
Also registered at 1520 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberley Alderman, L.D.OOptician1154473528
- Amy Barton, N.P.Acute Care Nurse Practitioner1689984528
- Amanda Bryan, PACSurgical Physician Assistant1265611818
- Mark Burger, CCPPerfusionist1578903209
- Scarlet Burger, CCPSpecialist1629485933
- Steven Chambers, MDPulmonary Disease Physician1588649206
Verify Maria Thomas-John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.087224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average rheumatology physician in 2024
5,014 Medicare Part D claims for 706 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Prednisone1,472 claims
- Hydroxychloroquine Sulfate1,063 claims
- Methotrexate740 claims
- Alendronate Sodium400 claims
- Humira(Cf) Pen155 claims
- Allopurinol121 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): 85 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).
Industry payments in 2024: $186.07
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Mvhe IncDayton, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Thomas-John among 289 rheumatology physician records in Ohio
Maria Thomas-John, MD is one of 289 rheumatology physician records with a practice address in Ohio. 82% 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 48% of them.
- NPI issued2007 · 48% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2001 · median 2004 among the 201 with a school on file
- Record last updated2013 · 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 207RR0500X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Ohio
There are 289 rheumatology physician records in Ohio.
All 289 in Ohio → Every provider in Dayton → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Aliya Khan, MDDayton, OH 454091487638870
- Michael Stevens, MDDayton, OH 454091114901188
- Shobha Wani, M.D.Dayton, OH 454091184762122
- Jon Ryan, DODayton, OH 454151063452704
- Robert Schriber, MDDayton, OH 454021851397285
- Sanford Wolfe, DODayton, OH 454171255390233
- Luke Meyer, DOWright Patterson Afb, OH 454331568093482
- Joshua Scott, DOWpafb, OH 454331639401789
Common questions
What is Maria Thomas-John, MD's NPI number?
Maria Thomas-John, MD's National Provider Identifier (NPI) is 1285847855, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maria Thomas-John, MD located?
The NPPES record lists a practice address at 1520 S Main St, Dayton, OH, 45409. Phone: (937) 208-7275. Providers update this record themselves, so call before visiting.
How can I verify Maria Thomas-John, MD's license?
NPPES lists Ohio license number 35.087224, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Thomas-John, MD prescribe under Medicare Part D?
In 2024, Maria Thomas-John, MD had 5,014 Medicare Part D claims for 706 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Maria Thomas-John, MD's MIPS final score?
The 2023 MIPS final score is 85 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.