Dr. Mary Ann Kosir, MD

  • Detroit, MI
  • General surgeon
NPI1508803594
Medicare services, 2019
33
Part D claims, 2018
11
Publications
8
Hospital affiliations
1
Industry payments
$9,305
Practice address
4100 John R, Detroit, MI 48201
Practice phone
Call (800) 576-6266
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Karmanos Cancer Center

Hospital · Detroit, Michigan

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Dr. Mary Ann Kosir is a general surgeon in Detroit, Michigan

Dr. Kosir practices at Karmanos Cancer Center in Detroit, Michigan, part of McLaren Health Care.

Dr. Kosir's NPI, 1508803594, was assigned on May 31, 2006. Dr. Kosir holds Michigan license 4301057608.

NPI and contact details
NPI enumeration date
May 31, 2006
NPI status
Active
Practice phone
(800) 576-6266
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mary Ann Kosir practices at Karmanos Cancer Center in Detroit, Michigan

Dr. Kosir's primary practice is Karmanos Cancer Center, at 4100 John R, Detroit, MI 48201 in Wayne County. The practice phone is (800) 576-6266.

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mary Ann Kosir is affiliated with 1 site of care and 1 medical group

Dr. Kosir's primary practice is Karmanos Cancer Center in Detroit, Michigan, part of McLaren Health Care. The medical group on file is Wayne Health.

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mary Ann Kosir's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kosir practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Karmanos Cancer CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mary Ann Kosir is one of 1,095 general surgeons in Michigan

Surgery is Dr. Kosir's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kosir is licensed in Michigan.

Specialties and state licenses

  • Surgery, MichiganPrimaryLicense 4301057608 · taxonomy 208600000X

General surgeons near Dr. Kosir

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mary Ann Kosir billed Medicare for 33 services in 2019

CMS data shows 33 Medicare services from Dr. Kosir across 2 procedure codes in 2019, all of them office visits. Medicare paid $3,497 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201933
Paid by Medicare$3,497
Procedure codes2

Dr. Kosir's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Office and hospital visits
2018: 522019: 3337%
Surgery
2018: 252019: 0100%

Dr. Kosir compared with the Michigan median for general surgeons, 2019

  • Dr. Kosir
  • Michigan median
Medicare services
33vs 12674% below
Part D claims
11vs 3063% below

Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.

Dr. Kosir's most billed Medicare procedure codes, 2019

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mary Ann Kosir wrote 11 Medicare Part D claims in 2018

In 2018, Dr. Kosir wrote 11 Medicare Part D claims. They cover 1 drug, with $253 in total drug cost. In 2017, CMS named 47 claims across 2 drugs.

Part D claims, 201811
Drugs named by CMS1
Total drug cost$253

Dr. Kosir's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 472018: 1177%

Drugs named by CMS: 1 in 2018, 2 in 2017.

See all prescribing by Dr. Kosir

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Mary Ann Kosir has 8 publications on record

Dmand AI links 8 papers to Dr. Kosir, published from 2013 to 2023. 2019 was the busiest year, with 2. The most frequent topics are Breast Neoplasms, Estrogens and Mastectomy. Dr. Kosir's most frequent co-authors are Keiva L. Bland, MD, David Henry Gorski, MD and Jennifer Jane Griggs, MD, MPH.

Papers8
Years published2013 to 2023

Dr. Kosir's papers by year, 2013 to 2023

Topics Dr. Kosir writes about most

  • Breast Neoplasms
  • Estrogens
  • Mastectomy
  • Patient Education as Topic
  • RNA, Long Noncoding

Dr. Kosir's most frequent co-authors

Recent publications by Dr. Kosir

See all 8 publications and co-authors

See who Dr. Kosir researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kosir works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mary Ann Kosir received $9,305 in industry payments from 2016 to 2022

CMS Open Payments shows 11 general payments to Dr. Kosir from 1 drug or device company from 2016 to 2022. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $9,305.

General payments to Dr. Kosir by program year, 2016 to 2022

Companies that paid Dr. Kosir the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Kosir

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Mary Ann Kosir's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mary Ann Kosir

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mary Ann Kosir's NPI number?

Dr. Mary Ann Kosir's NPI number is 1508803594. It was assigned on May 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mary Ann Kosir?

Dr. Mary Ann Kosir is a general surgeon in Detroit, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Mary Ann Kosir practice?

Dr. Kosir practices at 4100 John R, Detroit, MI 48201. Dr. Kosir's primary practice is Karmanos Cancer Center in Detroit, Michigan, part of McLaren Health Care.

What is Dr. Mary Ann Kosir's office phone number?

The practice phone on file for Dr. Kosir is (800) 576-6266.

What is Dr. Mary Ann Kosir's medical license number?

Dr. Kosir holds Michigan license 4301057608.

Which hospitals is Dr. Mary Ann Kosir affiliated with?

Dr. Kosir practices at Karmanos Cancer Center in Detroit, Michigan.

What medical group is Dr. Mary Ann Kosir part of?

Dr. Kosir is linked to Wayne Health.

Does Dr. Mary Ann Kosir accept Medicare?

Yes. CMS data shows Dr. Kosir billed Medicare for 33 services in 2019.

What services does Dr. Mary Ann Kosir bill to Medicare?

In 2019, Dr. Kosir's most billed Medicare services were office visit, established patient (99215) and office visit, new patient (99205).

What drugs does Dr. Mary Ann Kosir prescribe most?

In 2018 Medicare Part D data, Dr. Kosir's most prescribed drugs by claims were Lidocaine-Prilocaine.

Show 4 more questionsShow fewer questions

Has Dr. Mary Ann Kosir received payments from drug or device companies?

CMS Open Payments shows $9,305 in general payments to Dr. Kosir from 1 company from 2016 to 2022. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Mary Ann Kosir been practicing?

Dr. Kosir's NPI was assigned in 2006.

Does Dr. Mary Ann Kosir do research?

Dmand AI links 8 publications to Dr. Kosir, published from 2013 to 2023.

Who does Dr. Mary Ann Kosir publish with?

Dr. Kosir's most frequent co-authors are Keiva L. Bland, MD (1 shared paper), David Henry Gorski, MD (1 shared paper) and Jennifer Jane Griggs, MD, MPH (1 shared paper).

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