Matthew A. Mazur, D.O.
Internal Medicine Physician · Gaylord, MI
Matthew A. Mazur, D.O. is an internal medicine physician with a practice address in Gaylord, Michigan, and NPI 1376719781, issued on May 6, 2008. Check the license (Michigan 510102814, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Matthew A. Mazur
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 510102814 MI
036119681 IL
Self-reported in NPPES; status is on the state search - Practice location
- 829 N Center Ave, Gaylord, MI 49735
- Phone
- (989) 731-7870
- Enumerated
- May 6, 2008
- Record last updated
- Dec 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (989) 731-7837
- Medicaid ID
- 1376719781 1 IL
- Medicare enrollment
- Enrolled (PECOS I20140226000393); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 829 N Center Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wayne Aldrich, PA-CPhysician Assistant1386744423
- Kristy Alexander, NPFamily Nurse Practitioner1720417694
- Shawn BahledaPhysician Assistant1598073801
- Luis Collazo, M.D.Pediatrics Physician1598754715
- Eileen Conklin, NPFamily Nurse Practitioner1487844122
- Judy Jerome, CGNPGerontology Nurse Practitioner1760433577
Verify Matthew A. Mazur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 510102814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average internal medicine physician in 2024
16,134 Medicare Part D claims for 1,177 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 1,129 claims were for opioids.
Most prescribed
- Atorvastatin Calcium796 claims
- Hydrocodone-Acetaminophen661 claims
- Omeprazole487 claims
- Levothyroxine Sodium460 claims
- Amlodipine Besylate458 claims
- Lisinopril446 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: $80.51
5 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Munson Healthcare Otsego Memorial HospitalGaylord, MI · Acute Care Hospitals4 of 5 stars
- Northsport Physical Therapy And Rehabilitation P CGaylord, MI
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 A. Mazur among 5,735 internal medicine physician records in Michigan
Matthew A. Mazur, D.O. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 48% of them.
- NPI issued2008 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2006 among the 3,564 with a school on file
- Record last updated2020 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Gaylord
They are 7 of the 534 NPPES records with a practice address in Gaylord, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Gaylord → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Abraham, MDGaylord, MI 497351396735791
- Rosanne Freeman Paz, MDGaylord, MI 497351205806593
- Peter Handley, MDGaylord, MI 497351942375050
- Changxin Li, M.D.Gaylord, MI 497351114958899
- Gregory Trudell, M.D.Gaylord, MI 497351912938689
- Steven Wisniewski, M.D.Gaylord, MI 497351104851658
- Haim Bernardo Cotlear Stuart, M.D.Grayling, MI 497381912522624
- Bashar Kiami, M.D.Grayling, MI 497381457381543
Common questions
What is Matthew A. Mazur, D.O.'s NPI number?
Matthew A. Mazur, D.O.'s National Provider Identifier (NPI) is 1376719781, issued on May 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew A. Mazur, D.O. located?
The NPPES record lists a practice address at 829 N Center Ave, Gaylord, MI, 49735. Phone: (989) 731-7870. Providers update this record themselves, so call before visiting.
How can I verify Matthew A. Mazur, D.O.'s license?
NPPES lists Michigan license number 510102814, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew A. Mazur, D.O. prescribe under Medicare Part D?
In 2024, Matthew A. Mazur, D.O. had 16,134 Medicare Part D claims for 1,177 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.
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.