NPPES file of Aug 9, 2026

Stacey Zahler, D.O.

Pediatric Hematology & Oncology Physician · Cleveland, OH

Stacey Zahler, D.O. is a pediatric hematology & oncology physician with a practice address in Cleveland, Ohio, and NPI 1598186413, issued on Dec 18, 2013. Check the license (Ohio 012291, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598186413
Name
Stacey Zahler
Credential
D.O.
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License numbers
012291 OH
270340 NY
Self-reported in NPPES; status is on the state search
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(216) 445-3588
Enumerated
Dec 18, 2013
Record last updated
Nov 14, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(216) 444-3577
Medicare enrollment
Enrolled (PECOS I20160914002941); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2010
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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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 Stacey Zahler 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 012291
    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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One hospital affiliation

  1. Cleveland ClinicCleveland, 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.

Stacey Zahler among 191 pediatric hematology & oncology physician records in Ohio

Stacey Zahler, D.O. is one of 191 pediatric hematology & oncology physician records with a practice address in Ohio. 56% 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 71% of them.

  • NPI issued2013 · 71% of these records are older, 25% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2010 · median 2007 among the 81 with a school on file
  • Record last updated2016 · 51% 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 Ohio 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 Ohio

There are 191 pediatric hematology & oncology physician records in Ohio.

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

  1. Ilia Buhtoiarov, MDCleveland, OH 441951619240629
  2. Seth Corey, M.D., MPHCleveland, OH 441951902906852
  3. Rabi Hanna, M.DCleveland, OH 441951497958243
  4. Michael Kelly, MDCleveland, OH 441951730130584
  5. Eric Kodish, MDCleveland, OH 441951154387041
  6. Harry Layton Lesmana, M.D.Cleveland, OH 441951053675587
  7. Gregory Plautz, MDCleveland, OH 441951447215132
  8. Seth Rotz, M.D.Cleveland, OH 441951760709497

Common questions

What is Stacey Zahler, D.O.'s NPI number?

Stacey Zahler, D.O.'s National Provider Identifier (NPI) is 1598186413, issued on Dec 18, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Stacey Zahler, D.O. located?

The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 445-3588. Providers update this record themselves, so call before visiting.

How can I verify Stacey Zahler, D.O.'s license?

NPPES lists Ohio license number 012291, 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. 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.