Constantine Katsaros, M.D.
NPI 1487651568 · Internal Medicine Physician · Steubenville, OH
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constantine Katsaros, M.D. is a Internal Medicine Physician provider in Steubenville, OH (NPI 1487651568).
Provider details
- NPI number
- 1487651568
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 35033898K (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Constantine Katsaros's NPI number?
- Constantine Katsaros's National Provider Identifier (NPI) is 1487651568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constantine Katsaros's specialty?
- Constantine Katsaros is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Constantine Katsaros located?
- Constantine Katsaros's practice location on file with NPPES is 705 N 4th St, Steubenville, OH 43952-1813.
- What is Constantine Katsaros's phone number?
- The practice phone number listed in the NPPES registry for Constantine Katsaros is (740) 282-2852.
- Does Constantine Katsaros accept Medicare?
- Constantine Katsaros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constantine Katsaros's NPI active?
- Yes — Constantine Katsaros's NPI (1487651568) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.