Mary C. Cotner, DO
Internal Medicine Physician · Saline, MI
Mary C. Cotner, DO is an internal medicine physician with a practice address in Saline, Michigan, and NPI 1134793953, issued on May 17, 2021. Check the license (Michigan 5101028193, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mary C. Cotner
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 5101028193 MI
5151015286APP21 MI
Self-reported in NPPES; status is on the state search - Practice location
- 700 Woodland Dr, Saline, MI 48176
- Phone
- (734) 998-2020
- Enumerated
- May 17, 2021
- Record last updated
- Mar 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20250429000535); accepts Medicare assignment
- Medical or professional school
- University Of Pikeville, Kentucky College Of Osteopathic Med, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 700 Woodland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexis Arment, NPNurse Practitioner1225702293
- Shalini Bhattacharya, MDInternal Medicine Physician1811334691
- Hannah Donaldson, MDPediatrics Physician1033599980
- Jessica Drews, NPNurse Practitioner1861874844
- Nada Farhat, PHARMDAmbulatory Care Pharmacist1245090265
- Rachel Folz, MDInternal Medicine Physician1750842324
Verify Mary C. Cotner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101028193Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
236 Medicare Part D claims for 42 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.
Most prescribed
- Atorvastatin Calcium34 claims
- Amlodipine Besylate22 claims
- Metformin Hcl16 claims
- Carvedilol13 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: $30.69
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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.
Bills Medicare through one group practice
- Regents OF The University OF MichiganSaline, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
14 internal medicine physician records list a practice address in Saline
They are 14 of the 399 NPPES records with a practice address in Saline, and 5,735 internal medicine physician records in Michigan.
All 14 in Saline → All 5,735 in Michigan → Every provider in Saline →
Other internal medicine physician records in Michigan
- Jamie Therese Abad, MDDetroit, MI1700573359
- Tomas Abalo, M.D.Iron Mountain, MI1336199975
- Ali Abbas, M.D.Pontiac, MI1972167526
- Sura Abbas, MDWarren, MI1801687405
- Ramzi Abbasi, MDSaginaw, MI1164270005
- Saadat Abbasi, MDKalamazoo, MI1912005596
- Shahzaman Abbasi, MDLansing, MI1376512111
- Youssef Abbiss, D.O.Mount Clemens, MI1982991881
- Valerie Abbott, MDSouthfield, MI1740289487
- Samer Abboud, MDSaginaw, MI1245804178
Common questions
What is Mary C. Cotner, DO's NPI number?
Mary C. Cotner, DO's National Provider Identifier (NPI) is 1134793953, issued on May 17, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary C. Cotner, DO located?
The NPPES record lists a practice address at 700 Woodland Dr, Saline, MI, 48176. Phone: (734) 998-2020. Providers update this record themselves, so call before visiting.
How can I verify Mary C. Cotner, DO's license?
NPPES lists Michigan license number 5101028193, 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 Mary C. Cotner, DO prescribe under Medicare Part D?
In 2024, Mary C. Cotner, DO had 236 Medicare Part D claims for 42 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.