NPPES file of Aug 9, 2026

Michael L. Simonson, M.D.

Internal Medicine Physician · Massillon, OH

Michael L. Simonson, M.D. is an internal medicine physician with a practice address in Massillon, Ohio, and NPI 1356875967, issued on Apr 20, 2017. Check the license (Ohio 35.140090, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356875967
Name
Michael L. Simonson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35.140090 OH
Self-reported in NPPES; status is on the state search
Practice location
6724 Wales Ave NW, Massillon, OH 44646
Phone
(330) 837-4264
Enumerated
Apr 20, 2017
Record last updated
Nov 7, 2025
Fax
(330) 837-9195
Medicare enrollment
Enrolled (PECOS I20200820003110); accepts Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 2017
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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8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →

Also registered at 6724 Wales Ave NW

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

  1. Jennifer Diaz, APRNPrimary Care Nurse Practitioner1871149864
  2. Jessica Falvo Lang, M.D.Family Medicine Physician1043295892
  3. Brent Grass, APRN CNPAdult Health Nurse Practitioner1295353183
  4. Hope James, LISWClinical Social Worker1992904056
  5. Dishon Kamwesa, APRN CNPFamily Nurse Practitioner1841831765
  6. Krista Mast, NPAdult Health Nurse Practitioner1568019750

Verify Michael L. Simonson 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 35.140090    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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37% more Medicare Part D claims than the average internal medicine physician in 2024

4,338 Medicare Part D claims for 756 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. 68 claims were for opioids.

  1. Michael Simonson4,338
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium314 claims
  2. Amlodipine Besylate178 claims
  3. Lisinopril157 claims
  4. Prednisone134 claims
  5. Losartan Potassium132 claims
  6. Amoxicillin-Clavulanate Potass125 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: $629.88

26 payments; by number, the most common kind was 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. Michael Simonson$629.88
  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. Community Health Care Inc.Massillon, OH

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

Michael L. Simonson among 5,277 internal medicine physician records in Ohio

Michael L. Simonson, M.D. 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 updated2025 · 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).

13 internal medicine physician records list a practice address in Massillon

They are 13 of the 925 NPPES records with a practice address in Massillon, and 5,277 internal medicine physician records in Ohio.

All 5,277 in Ohio → Every provider in Massillon → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Florante Briones, MDMassillon, OH 446461013984590
  2. Christopher Chow, M.D.Massillon, OH 446461386644136
  3. Kerrie David, D.O.Massillon, OH 446461760481469
  4. Uneeza Haque, M.D.Massillon, OH 446461649565367
  5. Lewis Humble, M.D.Massillon, OH 446461164420139
  6. Patrick McFeely, M.D.Massillon, OH 446461245230002
  7. Katharine Morrison, D.O.Massillon, OH 446461073828513
  8. Hoai Nghia Nguyen, M.D.Massillon, OH 446461508815929

Common questions

What is Michael L. Simonson, M.D.'s NPI number?

Michael L. Simonson, M.D.'s National Provider Identifier (NPI) is 1356875967, issued on Apr 20, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Michael L. Simonson, M.D. located?

The NPPES record lists a practice address at 6724 Wales Ave NW, Massillon, OH, 44646. Phone: (330) 837-4264. Providers update this record themselves, so call before visiting.

How can I verify Michael L. Simonson, M.D.'s license?

NPPES lists Ohio license number 35.140090, 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 Michael L. Simonson, M.D. prescribe under Medicare Part D?

In 2024, Michael L. Simonson, M.D. had 4,338 Medicare Part D claims for 756 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.