Aye A. Mar, MD
Internal Medicine Physician · Battle Creek, MI
Aye A. Mar, MD is an internal medicine physician with a practice address in Battle Creek, Michigan, and NPI 1154383578, issued on Apr 3, 2006. Check the license (Michigan 4301073422, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Aye A. Mar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301073422 MI
Self-reported in NPPES; status is on the state search - Practice location
- 181 W Emmett St, Battle Creek, MI 49037
- Phone
- (269) 966-2600
- Enumerated
- Apr 3, 2006
- Record last updated
- Mar 23, 2026
- Fax
- (269) 965-4773
- Medicaid IDs
- 4506430 MI
4506420 MI - Medicare enrollment
- Enrolled (PECOS I20100527000392); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 181 W Emmett St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Aye A. Mar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301073422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average internal medicine physician in 2024
4,239 Medicare Part D claims for 238 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 113 claims were for opioids.
Most prescribed
- Atorvastatin Calcium311 claims
- Losartan Potassium225 claims
- Amlodipine Besylate208 claims
- Jardiance183 claims
- Levothyroxine Sodium166 claims
- Metformin Hcl135 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.
Bills Medicare through one group practice
- Grace Health IncBattle Creek, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aye A. Mar among 5,735 internal medicine physician records in Michigan
Aye A. Mar, MD 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2006 among the 3,564 with a school on file
- Record last updated2026 · 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).
45 internal medicine physician records list a practice address in Battle Creek
They are 45 of the 2,117 NPPES records with a practice address in Battle Creek, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Battle Creek → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Samir Bateriwala, MDBattle Creek, MI 490371073835476
- Paul Bornemann, MDBattle Creek, MI 490371619954054
- Sudhir Desai, MDBattle Creek, MI 490371992741227
- Brian Hays, DOBattle Creek, MI 490371356452999
- Christina Helms, MDBattle Creek, MI 490371346200110
- Corey Murphy, M.D.Battle Creek, MI 490371376924951
- Suceil Sivsammye, MDBattle Creek, MI 490371336521103
- Alec Wilson, MDBattle Creek, MI 490371780064691
Common questions
What is Aye A. Mar, MD's NPI number?
Aye A. Mar, MD's National Provider Identifier (NPI) is 1154383578, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aye A. Mar, MD located?
The NPPES record lists a practice address at 181 W Emmett St, Battle Creek, MI, 49037. Phone: (269) 966-2600. Providers update this record themselves, so call before visiting.
How can I verify Aye A. Mar, MD's license?
NPPES lists Michigan license number 4301073422, 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 Aye A. Mar, MD prescribe under Medicare Part D?
In 2024, Aye A. Mar, MD had 4,239 Medicare Part D claims for 238 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.