Constantine Katsaros, M.D.
Internal Medicine Physician · Steubenville, OH
Constantine Katsaros, M.D. is an internal medicine physician with a practice address in Steubenville, Ohio, and NPI 1487651568, issued on Jul 5, 2005. Check the license (Ohio 35033898K, as entered in NPPES) on the State Medical Board of Ohio; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Constantine Katsaros
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35033898K OH
Self-reported in NPPES; status is on the state search - Practice location
- 705 N 4TH St, Steubenville, OH 43952
- Phone
- (740) 282-2852
- Enumerated
- Jul 5, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (740) 282-4740
- Medicaid ID
- O212531 OH
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Verify Constantine Katsaros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35033898KCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Constantine Katsaros among 5,277 internal medicine physician records in Ohio
Constantine Katsaros, 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2026 · 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).
32 internal medicine physician records list a practice address in Steubenville
They are 32 of the 921 NPPES records with a practice address in Steubenville, and 5,277 internal medicine physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,277 in Ohio → Every provider in Steubenville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rebecca Andrews Elerick, DOSteubenville, OH 439521609283506
- Geuka Delva, M.DSteubenville, OH 439521184053159
- Rick Greco, DOSteubenville, OH 439521144280157
- Sanjay Gupta, MDSteubenville, OH 439521134116601
- John Michael Humienny, M.D.Steubenville, OH 439521013368588
- Edward Isla, MDSteubenville, OH 439521861434433
- Stephen Kuruc, M.D.Steubenville, OH 439521609867258
- John Kuruc, M.D.Steubenville, OH 439521497739171
Common questions
What is Constantine Katsaros, M.D.'s NPI number?
Constantine Katsaros, M.D.'s National Provider Identifier (NPI) is 1487651568, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Constantine Katsaros, M.D. located?
The NPPES record lists a practice address at 705 N 4TH St, Steubenville, OH, 43952. Phone: (740) 282-2852. Providers update this record themselves, so call before visiting.
How can I verify Constantine Katsaros, M.D.'s license?
NPPES lists Ohio license number 35033898K, 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.
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.