Ann E. Mathias, D.O.
Family Medicine Physician · Byron Center, MI
Ann E. Mathias, D.O. is a family medicine physician with a practice address in Byron Center, Michigan, and NPI 1255394185, issued on Apr 11, 2006. Check the license (Michigan 5101012832, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ann E. Mathias
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101012832 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7751 Byron Center Ave SW, Byron Center, MI 49315
- Phone
- (616) 878-3321
- Enumerated
- Apr 11, 2006
- Record last updated
- Oct 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (616) 878-0858
- Medicaid ID
- 1255394185 MI
- Medicare enrollment
- Enrolled (PECOS I20170306000854); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 7751 Byron Center Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Baar, ANPNurse Practitioner1114964962
- Mark Bates, M.D.Geriatric Medicine (Family Medicine) Physician1245312917
- Iris Boettcher, MDGeriatric Medicine (Internal Medicine) Physician1003863226
- Brenda GrahamGerontology Nurse Practitioner1114997624
- Thomas Langton, PAPhysician Assistant1285675017
- Suzanne Lee, NP-CGerontology Nurse Practitioner1841673787
Verify Ann E. Mathias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101012832Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average family medicine physician in 2024
1,127 Medicare Part D claims for 177 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 73 claims were for opioids.
Most prescribed
- Atorvastatin Calcium80 claims
- Levothyroxine Sodium73 claims
- Lisinopril67 claims
- Gabapentin64 claims
- Amlodipine Besylate28 claims
- Oxycodone Hcl26 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann E. Mathias among 6,013 family medicine physician records in Michigan
Ann E. Mathias, D.O. is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1995 · median 2008 among the 3,493 with a school on file
- Record last updated2012 · 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 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Byron Center
They are 16 of the 317 NPPES records with a practice address in Byron Center, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Byron Center → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Paul Braman, M.D.Byron Center, MI 493151629096896
- Frank Brown, M.D.Bryon Center, MI 493151104872373
- Jeffery Chamberlain, M.D.Byron Center, MI 493151790905214
- Neil Colegrove, MDByron Center, MI 493151962455188
- Christopher Coller, D.O.Byron Center, MI 493151124280359
- Stephen Delapp, MDByron Center, MI 493151649298837
- Scott Duemler, MDByron Center, MI 493151306898036
- Patrick Fitzgibbon, DOByron Center, MI 493151902025760
Common questions
What is Ann E. Mathias, D.O.'s NPI number?
Ann E. Mathias, D.O.'s National Provider Identifier (NPI) is 1255394185, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann E. Mathias, D.O. located?
The NPPES record lists a practice address at 7751 Byron Center Ave SW, Byron Center, MI, 49315. Phone: (616) 878-3321. Providers update this record themselves, so call before visiting.
How can I verify Ann E. Mathias, D.O.'s license?
NPPES lists Michigan license number 5101012832, 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 Ann E. Mathias, D.O. prescribe under Medicare Part D?
In 2024, Ann E. Mathias, D.O. had 1,127 Medicare Part D claims for 177 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ann E. Mathias, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.