Isabelle Kozik, MD
NPI 1669224705 · Dermatology Physician · Stony Brook, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabelle Kozik, MD is a Dermatology Physician provider in Stony Brook, NY (NPI 1669224705).
Provider details
- NPI number
- 1669224705
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3016718 (NY)
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
2 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
- 2024-04-02
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Isabelle Kozik's NPI number?
- Isabelle Kozik's National Provider Identifier (NPI) is 1669224705, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabelle Kozik's specialty?
- Isabelle Kozik is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Isabelle Kozik located?
- Isabelle Kozik's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Isabelle Kozik's phone number?
- The practice phone number listed in the NPPES registry for Isabelle Kozik is (631) 689-8333.
- Does Isabelle Kozik accept Medicare?
- Isabelle Kozik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabelle Kozik's NPI active?
- Yes — Isabelle Kozik's NPI (1669224705) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.