MARY C COTNER DO
NPI 1134793953
Internal Medicine in Saline, MI

Q: What is Mary Cotner's NPI number?

The NPI number for Mary Cotner is 1134793953. It was assigned to this individual provider in the NPPES registry on May 17, 2021.

Q: What is Mary Cotner's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Cotner was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 17, 2021PECOS EnrolledAccepts Medicare Assignment

700 WOODLAND DR, SALINE, MI 48176(734) 998-2020 Get Directions Write a Review

NPPES record last updated: March 26, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Mar 26, 2025, May 17, 2021 (2 updates tracked since 2021).

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About Mary C Cotner Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY C COTNER DO (NPI 1134793953) is an individual internal medicine provider in Saline, Michigan, licensed in Michigan (5101028193) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Southfield.

NPPES Registry Identity

NPI1134793953

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARY C COTNERCredential: DO

Location Address700 WOODLAND DRSaline, MI 48176-1620

Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299

Phone(734) 998-2020

Sole ProprietorNo

Medical School CMSUniversity Of Pikeville, Kentucky College Of Osteopathic MedGraduated 2021

Enumeration DateMay 17, 2021

Last NPPES UpdateMarch 26, 20252 updates tracked since enumeration

NPPES CertifiedMarch 26, 2025

✔ NPI 1134793953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MI · 5101028193✔ Licensed in MI · 5151015286APP21

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

700 WOODLAND DR, Saline, MI 48176

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Secondary Practice Location 1

Location 122250 Providence Dr., 3PMB Suite #301Southfield, MI 48075-4818 · Phone (248) 849-3281

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary C Cotner Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214332865

PECOS Enrollment IDI20250429000535

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230046

Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48176 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.28 typical visit price

range $58.04 – $177.36

Typical copayment $33.57 (range $14.51 – $44.34)

Most-billed visit code 99204

Established Patient

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HANNAH KATHERINE DONALDSON MD

Pediatrics