NPPES file of Aug 9, 2026

Michael James McNamara, M.D.

Hematology & Oncology Physician · Cleveland, OH

Michael James McNamara, M.D. is a hematology & oncology physician with a practice address in Cleveland, Ohio, and NPI 1306017835, issued on Mar 12, 2008. Check the license (Ohio 35091872, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306017835
Name
Michael James McNamara
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
35091872 OH
MT049607T PA
Self-reported in NPPES; status is on the state search
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(800) 223-2273
Enumerated
Mar 12, 2008
Record last updated
Dec 10, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
2831118 OH
Medicare enrollment
Enrolled (PECOS I20080801000590); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2001
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 513 in Ohio → Look up another NPI →

Also registered at 9500 Euclid Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ksenia Aaron, M.D.Otolaryngology Physician1891176582
  2. Maher Abbas, MDColon & Rectal Surgery Physician1508937491
  3. Mohammad Abbasi, MDClinical Cardiac Electrophysiology Physician1346730603
  4. Mahmoud AbbassyStudent in an Organized Health Care Education/Training Program1366872574
  5. Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
  6. Walid Abboud, MDInternal Medicine Physician1245295559

Verify Michael James McNamara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35091872    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

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68% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

279 Medicare Part D claims for 65 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.

  1. Michael McNamara279
  2. Specialty average877

Most prescribed

  1. Ondansetron Hcl41 claims
  2. Prednisone30 claims
  3. Olanzapine23 claims
  4. Prochlorperazine Maleate23 claims
  5. Omeprazole20 claims
  6. Dexamethasone14 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.

One hospital affiliation

  1. Cleveland ClinicMansfield, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Michael James McNamara among 513 hematology & oncology physician records in Ohio

Michael James McNamara, M.D. is one of 513 hematology & oncology physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2001 · median 2001 among the 369 with a school on file
  • Record last updated2008 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Ohio

There are 513 hematology & oncology physician records in Ohio.

All 513 in Ohio → Every provider in Cleveland → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. David Adelstein, M.D.Cleveland, OH 441951922061365
  2. Ronald Bukowski, MDCleveland, OH 441951952365603
  3. Matt Kalaycio, MDCleveland, OH 441951710943006
  4. Omer Koc, MDCleveland, OH 441951588629059
  5. Alan Lichtin, MDCleveland, OH 441951366406456
  6. Vinit Makkar, M.D.Cleveland, OH 441951841254083
  7. Halle Moore, M.D.Cleveland, OH 441951700840683
  8. Marcelo Pasquini, MDCleveland, OH 441951174575856

Common questions

What is Michael James McNamara, M.D.'s NPI number?

Michael James McNamara, M.D.'s National Provider Identifier (NPI) is 1306017835, issued on Mar 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael James McNamara, M.D. located?

The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (800) 223-2273. Providers update this record themselves, so call before visiting.

How can I verify Michael James McNamara, M.D.'s license?

NPPES lists Ohio license number 35091872, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael James McNamara, M.D. prescribe under Medicare Part D?

In 2024, Michael James McNamara, M.D. had 279 Medicare Part D claims for 65 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.