Mary McGrath, M.D.
Pediatric Hematology & Oncology Physician · Ann Arbor, MI
Mary McGrath, M.D. is a pediatric hematology & oncology physician with a practice address in Ann Arbor, Michigan, and NPI 1487090601, issued on May 14, 2013. Check the license (Michigan 4301117504, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mary McGrath
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 4301117504 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- May 14, 2013
- Record last updated
- Nov 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20190723000124); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 102 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239
Verify Mary McGrath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301117504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average pediatric hematology & oncology physician in 2024
39 Medicare Part D claims, against an average of 94 among the 300 providers of this specialty who prescribed in Part D.
Most prescribed
- Enoxaparin Sodium29 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
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary McGrath among 102 pediatric hematology & oncology physician records in Michigan
Mary McGrath, M.D. is one of 102 pediatric hematology & oncology physician records with a practice address in Michigan. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 28% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2013 · median 2007 among the 49 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Michigan
There are 102 pediatric hematology & oncology physician records in Michigan.
All 102 in Michigan → Every provider in Ann Arbor → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Ghada Abusin, M.D.Ann Arbor, MI 481091992981435
- Craig ByersdorferAnn Arbor, MI 481091679697056
- Andrew Campbell, MDAnn Arbor, MI 481091770593303
- Sung Won Choi, MDAnn Arbor, MI 481091295745826
- Patrick Grohar, MD, PHDAnn Arbor, MI 481091225175201
- Raymond Hutchinson, MDAnn Arbor, MI 481091003921438
- Carl Koschmann, MDAnn Arbor, MI 481091033301411
- Rajen Mody, MB BSAnn Arbor, MI 481091548270176
Common questions
What is Mary McGrath, M.D.'s NPI number?
Mary McGrath, M.D.'s National Provider Identifier (NPI) is 1487090601, issued on May 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mary McGrath, M.D. located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Mary McGrath, M.D.'s license?
NPPES lists Michigan license number 4301117504, 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 McGrath, M.D. prescribe under Medicare Part D?
In 2024, Mary McGrath, M.D. had 39 Medicare Part D claims; the average among pediatric hematology & oncology physician prescribers was 94. 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.