Stephen Thireos
NPI 1801904669 · Physician Assistant · Rochester, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Thireos is a Physician Assistant provider in Rochester, NY (NPI 1801904669).
Provider details
- NPI number
- 1801904669
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 007538 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-29
- Last updated
- 2008-01-25
Frequently asked questions
- What is Stephen Thireos's NPI number?
- Stephen Thireos's National Provider Identifier (NPI) is 1801904669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Thireos's specialty?
- Stephen Thireos is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephen Thireos located?
- Stephen Thireos's practice location on file with NPPES is 601 Elmwood Ave, Rochester, NY 14642-0001.
- What is Stephen Thireos's phone number?
- The practice phone number listed in the NPPES registry for Stephen Thireos is (585) 275-9555.
- Does Stephen Thireos accept Medicare?
- Stephen Thireos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Thireos's NPI active?
- Yes — Stephen Thireos's NPI (1801904669) is active in the NPPES registry as of the last update on 2008-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.