NPPES file of Aug 9, 2026

Stephen J. Ferenczy, M.D.

Internal Medicine Physician · Cleveland, OH

Stephen J. Ferenczy, M.D. is an internal medicine physician with a practice address in Cleveland, Ohio, and NPI 1033175229, issued on Apr 25, 2006. Check the license (Ohio 35074328F, 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
1033175229
Name
Stephen J. Ferenczy
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35074328F 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 25, 2006
Record last updated
Jan 30, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
2088288 OH
Medicare enrollment
Enrolled (PECOS I20060721000150); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 1995
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.
Download card Updates feed

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 Stephen J. Ferenczy 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 35074328F
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.7 times the Medicare Part D claims of the average internal medicine physician in 2024

8,505 Medicare Part D claims for 853 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 98 claims were for opioids.

  1. Stephen Ferenczy8,505
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium362 claims
  2. Amlodipine Besylate329 claims
  3. Levothyroxine Sodium316 claims
  4. Rosuvastatin Calcium298 claims
  5. Pantoprazole Sodium260 claims
  6. Metoprolol Succinate259 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.

Industry payments in 2024: $14.32

1 payment: food and beverage; the largest payer was Phadia US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Ferenczy$14.32
  2. Specialty average$1,303.06

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

One hospital affiliation

  1. Cleveland ClinicLorain, 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.

Stephen J. Ferenczy among 5,277 internal medicine physician records in Ohio

Stephen J. Ferenczy, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1995 · median 2006 among the 3,414 with a school on file
  • Record last updated2008 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

897 internal medicine physician records list a practice address in Cleveland

They are 897 of the 30,748 NPPES records with a practice address in Cleveland, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dhia Aldoori, MDCleveland, OH 441951619941358
  2. Elena Borukh, MDCleveland, OH 441951497718480
  3. Steven Feinleib, MDCleveland, OH 441951033173141
  4. Brian Harte, M.D.Cleveland, OH 441951871557496
  5. Stephen Hayden, M.D.Cleveland, OH 441951003870551
  6. Alan Hull, M.D., PH.D.Cleveland, OH 441951235192964
  7. J Harry Isaacson, MDCleveland, OH 441951639133192
  8. Anil Jain, MDCleveland, OH 441951700840287

Common questions

What is Stephen J. Ferenczy, M.D.'s NPI number?

Stephen J. Ferenczy, M.D.'s National Provider Identifier (NPI) is 1033175229, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen J. Ferenczy, 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 Stephen J. Ferenczy, M.D.'s license?

NPPES lists Ohio license number 35074328F, 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 Stephen J. Ferenczy, M.D. prescribe under Medicare Part D?

In 2024, Stephen J. Ferenczy, M.D. had 8,505 Medicare Part D claims for 853 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.