NPPES file of Aug 9, 2026

Michael Larry Macknin, M.D.

Pediatrics Physician · Cleveland, OH

Michael Larry Macknin, M.D. is a pediatrics physician with a practice address in Cleveland, Ohio, and NPI 1891759544, issued on Apr 12, 2006. Check the license (Ohio 35045340M, as entered in NPPES) on the State Medical Board of Ohio; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1891759544
Name
Michael Larry Macknin
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
35045340M OH
Self-reported in NPPES; status is on the state search
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(800) 223-2273
Enumerated
Apr 12, 2006
Record last updated
Jun 8, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
0438280 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pediatrics physician records → All 2,972 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 Larry Macknin 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 35045340M    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Michael Larry Macknin among 2,972 pediatrics physician records in Ohio

Michael Larry Macknin, M.D. is one of 2,972 pediatrics physician records with a practice address in Ohio. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 59% newer
  • In a Medicare fileNo · 35% of these records are
  • In the CMS Doctors and Clinicians fileNo · 10% of these records are
  • Record last updated2010 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

344 pediatrics physician records list a practice address in Cleveland

They are 344 of the 30,748 NPPES records with a practice address in Cleveland, and 2,972 pediatrics physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,972 in Ohio → Every provider in Cleveland → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Nella Blyumin, MDCleveland, OH 441951790771863
  2. Vaishali Flask, M.D.Cleveland, OH 441951609833912
  3. Conrad Foley, MDCleveland, OH 441951174588131
  4. Scott Francy, M.D.Cleveland, OH 441951912965690
  5. Jacalyn Hazen, M.D.Cleveland, OH 441951508829482
  6. Joseph Lock, MDCleveland, OH 441951316902810
  7. Aida Mandapat, MDCleveland, OH 441951235123324
  8. Michelle Marks, D.O.Cleveland, OH 441951003870254

Common questions

What is Michael Larry Macknin, M.D.'s NPI number?

Michael Larry Macknin, M.D.'s National Provider Identifier (NPI) is 1891759544, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Larry Macknin, 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 Larry Macknin, M.D.'s license?

NPPES lists Ohio license number 35045340M, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.