Registry data as of Aug 27, 2026

Peter Katsaros, M.D.

Internal Medicine Physician · Norton, OH

Peter Katsaros, M.D. is an internal medicine physician with a practice address in Norton, Ohio, and NPI 1144203910, issued on Nov 25, 2005. Check the license (Ohio 35065423K, as entered in NPPES) 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
1144203910
Name
Peter Katsaros
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35065423K OH
Self-reported in NPPES; status is on the state search
Practice location
3300 Greenwich RD, Norton, OH 44203
Phone
(330) 825-7371
Enumerated
Nov 25, 2005
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 3300 Greenwich RD

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

  1. Leslie Murphy, M.D.Family Medicine Physician1881677813
  2. Christopher Rucker, M.D.Internal Medicine Physician1114115581

Verify Peter Katsaros 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 35065423K
    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.

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

14,877 Medicare Part D claims for 482 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 190 claims were for opioids.

  1. Peter Katsaros14,877
  2. Specialty average2,785

Most prescribed

  1. Levothyroxine Sodium756 claims
  2. Atorvastatin Calcium710 claims
  3. Amlodipine Besylate520 claims
  4. Furosemide362 claims
  5. Lisinopril344 claims
  6. Eliquis336 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: $109.90

6 payments, mostly food and beverage; the largest payer was Dexcom, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Katsaros$109.90
  2. Specialty average$2,536.66

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. Pioneer Physicians Network IncNorton, OH

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.

2 internal medicine physician records list a Norton practice address

They are 2 of the 127 NPPES records with a Norton practice address, and 5,995 internal medicine physician records in Ohio.

Other internal medicine physician records in Ohio

  1. Evan Abalos, D.O.Toledo, OH1194163089
  2. Teah Abashidze, M.D.Cleveland, OH1336179647
  3. Rami Abboud, MDLorain, OH1487854972
  4. Walid Abboud, MDCleveland, OH1245295559
  5. Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
  6. Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
  7. Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
  8. Mohammed Abdelaziz, MDDayton, OH1831326701
  9. Bahaa Abdelghaffar, MDCleveland, OH1265954275
  10. John Abdelnour, MDCleveland, OH1114656931

Common questions

What is Peter Katsaros, M.D.'s NPI number?

Peter Katsaros, M.D.'s National Provider Identifier (NPI) is 1144203910, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter Katsaros, M.D. located?

The NPPES record lists a practice address at 3300 Greenwich RD, Norton, OH, 44203. Phone: (330) 825-7371. Providers update this record themselves, so call before visiting.

How can I verify Peter Katsaros, M.D.'s license?

NPPES lists Ohio license number 35065423K, 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 Peter Katsaros, M.D. prescribe under Medicare Part D?

In 2024, Peter Katsaros, M.D. had 14,877 Medicare Part D claims for 482 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

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.