Stephen Ragan, MD
NPI 1548416795 · Public Health & General Preventive Medicine Physician · Stony Brook, NY
Stephen Ragan, MD is a Public Health & General Preventive Medicine Physician provider in Stony Brook, NY (NPI 1548416795).
Provider details
- NPI number
- 1548416795
- Entity type
- Individual
- Primary specialty
- Public Health & General Preventive Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0090717 (MD)
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
17 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
- 2008-08-07
- Last updated
- 2021-09-28
- Certified
- 2021-09-28
Frequently asked questions
- What is Stephen Ragan's NPI number?
- Stephen Ragan's National Provider Identifier (NPI) is 1548416795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Ragan's specialty?
- Stephen Ragan is listed in the NPPES registry with a primary specialty of Public Health & General Preventive Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Ragan located?
- Stephen Ragan's practice location on file with NPPES is 101 Nicolls Rd # Hscl3086, Stony Brook, NY 11794-1511.
- What is Stephen Ragan's phone number?
- The practice phone number listed in the NPPES registry for Stephen Ragan is (631) 444-3902.
- Is Stephen Ragan's NPI active?
- Yes — Stephen Ragan's NPI (1548416795) is active in the NPPES registry as of the last update on 2021-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.