NPPES file of Aug 9, 2026

Christopher Joseph Thomas, DO

Internal Medicine Physician · Mason, OH

Christopher Joseph Thomas, DO is an internal medicine physician with a practice address in Mason, Ohio, and NPI 1427579283, issued on Jul 3, 2017. Check the license (Ohio 34.013733, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427579283
Name
Christopher Joseph Thomas
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
34.013733 OH
Self-reported in NPPES; status is on the state search
Practice location
4605 Duke Dr Ste 220, Mason, OH 45040
Phone
(440) 397-4111
Enumerated
Jul 3, 2017
Record last updated
Aug 20, 2024
Medicare enrollment
Enrolled (PECOS I20190805001650); accepts Medicare assignment
Medical or professional school
Lake Erie College Of Osteopathic Medicine, Erie, 2017
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4605 Duke Dr Ste 220

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Blanchard, MDInternal Medicine Physician1659340131
  2. Abigail Schymanski, CNPNurse Practitioner1851761324
  3. Jodi Yee, FNP-BCFamily Nurse Practitioner1053780221

Verify Christopher Joseph Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34.013733
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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17.5 times the Medicare Part D claims of the average internal medicine physician in 2024

55,522 Medicare Part D claims for 1,612 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 165 claims were for opioids.

  1. Christopher Thomas55,522
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium3,636 claims
  2. Amlodipine Besylate2,261 claims
  3. Gabapentin1,762 claims
  4. Pantoprazole Sodium1,716 claims
  5. Levothyroxine Sodium1,571 claims
  6. Furosemide1,522 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): 82 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.

  1. Qualityout of 100 · 30% of the final score64.5
  2. Costout of 100 · 30%62.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $116.19

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Thomas$116.19
  2. Specialty average$1,303.06

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

  1. Eastwest Primary Care LLCParma, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Joseph Thomas among 5,277 internal medicine physician records in Ohio

Christopher Joseph Thomas, DO is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 76% of them.

  • NPI issued2017 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2017 · median 2006 among the 3,414 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 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

24 internal medicine physician records list a practice address in Mason

They are 24 of the 1,495 NPPES records with a practice address in Mason, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Waheed Adewumi, M.D.Mason, OH 450401033173273
  2. Jeffrey Baker, MDMason, OH 450401932163771
  3. Paul Blanchard, MDMason, OH 450401659340131
  4. Marsha Bramson, MDMason, OH 450401588627905
  5. David Dearworth, M.D. (AND R.PH)Mason, OH 450401669556890
  6. Jay Hayner, MDMason, OH 450401396790507
  7. Janet Higgins, M.D.Mason, OH 450401871517706
  8. Amy Hovermale, MDMason, OH 450401427011816

Common questions

What is Christopher Joseph Thomas, DO's NPI number?

Christopher Joseph Thomas, DO's National Provider Identifier (NPI) is 1427579283, issued on Jul 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Joseph Thomas, DO located?

The NPPES record lists a practice address at 4605 Duke Dr Ste 220, Mason, OH, 45040. Phone: (440) 397-4111. Providers update this record themselves, so call before visiting.

How can I verify Christopher Joseph Thomas, DO's license?

NPPES lists Ohio license number 34.013733, 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 Christopher Joseph Thomas, DO prescribe under Medicare Part D?

In 2024, Christopher Joseph Thomas, DO had 55,522 Medicare Part D claims for 1,612 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Christopher Joseph Thomas, DO's MIPS final score?

The 2023 MIPS final score is 82 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.