Matthew C. Riesen, MD
General Practice Physician · Saint Marys, OH
Matthew C. Riesen, MD is a general practice physician with a practice address in Saint Marys, Ohio, and NPI 1497947998, issued on Aug 17, 2007. Check the license (Ohio 35. 099958, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Matthew C. Riesen
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 35. 099958 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1132 Hager St, Saint Marys, OH 45885
- Phone
- (419) 394-5851
- Enumerated
- Aug 17, 2007
- Record last updated
- Mar 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (419) 394-0702
- Medicare enrollment
- Enrolled (PECOS I20130327000067); accepts Medicare assignment
- Medical or professional school
- Toledo Medical College, 2007
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 280 in Ohio → Look up another NPI →
Verify Matthew C. Riesen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35. 099958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average general practice physician in 2024
5,422 Medicare Part D claims for 527 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 19 claims were for opioids.
Most prescribed
- Amlodipine Besylate297 claims
- Lisinopril-Hydrochlorothiazide253 claims
- Levothyroxine Sodium220 claims
- Atorvastatin Calcium194 claims
- Alprazolam180 claims
- Metformin Hcl Er179 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: $1,078.26
70 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,259 providers of this specialty with any payment received $1,273.40 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.
One hospital affiliation
- Mercer County Joint Township Community HospitalCelina, OH · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Matthew C. Riesen among 280 general practice physician records in Ohio
Matthew C. Riesen, MD is one of 280 general practice physician records with a practice address in Ohio. 47% 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, 46% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2007 · median 2005 among the 70 with a school on file
- Record last updated2013 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 general practice physician records list a practice address in Saint Marys
They are 2 of the 169 NPPES records with a practice address in Saint Marys, and 280 general practice physician records in Ohio.
All 280 in Ohio → Every provider in Saint Marys → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Michael Josey, M.D.Saint Marys, OH 458851407866262
- Wayne Feister, DORawson, OH 458811790902575
- Mark Fenzl, D.O.Forest, OH 458431790993137
- Eldon Vance, DOFindlay, OH 458401194777425
- Peter White, M.D.Celina, OH 458221215984661
- Michael Holtgrewe, MDMarietta, OH 457501235134578
- John Cunningham, M.D.Athens, OH 457011669474375
- Peter Dane, DOAthens, OH 457011134121726
Common questions
What is Matthew C. Riesen, MD's NPI number?
Matthew C. Riesen, MD's National Provider Identifier (NPI) is 1497947998, issued on Aug 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew C. Riesen, MD located?
The NPPES record lists a practice address at 1132 Hager St, Saint Marys, OH, 45885. Phone: (419) 394-5851. Providers update this record themselves, so call before visiting.
How can I verify Matthew C. Riesen, MD's license?
NPPES lists Ohio license number 35. 099958, 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 Matthew C. Riesen, MD prescribe under Medicare Part D?
In 2024, Matthew C. Riesen, MD had 5,422 Medicare Part D claims for 527 beneficiaries; the average among general practice physician prescribers was 3,030. 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.