Registry data as of Aug 27, 2026

Zaher Otrock, M.D., PH.D.

Clinical Pathology Physician · Cleveland, OH

Zaher Otrock, M.D., PH.D. is a clinical pathology physician with a practice address in Cleveland, Ohio, and NPI 1477995306, issued on Jul 19, 2013. Check the license on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1477995306
Name
Zaher Otrock
Credential
M.D., PH.D.
Primary taxonomy
Clinical Pathology Physician 207ZC0006X
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(216) 445-4619
Enumerated
Jul 19, 2013
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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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, MDCardiovascular Disease 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 Zaher Otrock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of OhioCheck 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.

Industry payments in 2024: $87.49

2 payments, mostly food and beverage; the largest payer was HemoSonics LLC. The 73 providers of this specialty with any payment received $16,032.60 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zaher Otrock$87.49
  2. Specialty average$16,032.60

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

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

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Clinical Pathology Physician providers in Ohio

There are 14 clinical pathology physician records in Ohio.

Other clinical pathology physician records in Ohio

  1. Mohammed Alsomali, M.D.Columbus, OH1720481567
  2. Philip Bomeisl, D.O.Cleveland, OH1962618975
  3. Enrique CotesLakewood, OH1053509869
  4. Thomas Daly, MDCleveland, OH1851546949
  5. Alcinda Flowers, M.D.Columbus, OH1306283338
  6. Nicole Hubbard, MDToledo, OH1063675882
  7. Jay Hudgins, D.O., M.S.Columbus, OH1528497070
  8. Adelaide Koestner, M.D.Columbus, OH1942513908
  9. Theodros Mamo, MD, PHDColumbus, OH1285196097
  10. Howard Meyerson, MDCleveland, OH1942234364

Common questions

What is Zaher Otrock, M.D., PH.D.'s NPI number?

Zaher Otrock, M.D., PH.D.'s National Provider Identifier (NPI) is 1477995306, issued on Jul 19, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Zaher Otrock, M.D., PH.D. located?

The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 445-4619. Providers update this record themselves, so call before visiting.

How can I verify Zaher Otrock, M.D., PH.D.'s license?

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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.