John Dervan, MD
NPI 1871524439 · Cardiovascular Disease Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Dervan, MD is a Cardiovascular Disease Physician provider in Stony Brook, NY (NPI 1871524439).
Provider details
- NPI number
- 1871524439
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 166207 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-07-05
- Last updated
- 2022-01-25
- Certified
- 2022-01-25
Frequently asked questions
- What is John Dervan's NPI number?
- John Dervan's National Provider Identifier (NPI) is 1871524439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dervan's specialty?
- John Dervan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Dervan located?
- John Dervan's practice location on file with NPPES is 100 Nicolls Rd # T-16030, Stony Brook, NY 11794-0001.
- What is John Dervan's phone number?
- The practice phone number listed in the NPPES registry for John Dervan is (631) 444-3655.
- Does John Dervan accept Medicare?
- John Dervan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Dervan's NPI active?
- Yes — John Dervan's NPI (1871524439) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.