Frank Ratzken, MD
NPI 1942295613 · Pediatric Adolescent Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Ratzken, MD is a Pediatric Adolescent Medicine Physician provider in Brooklyn, NY (NPI 1942295613).
Provider details
- NPI number
- 1942295613
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 218256 (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
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
- 2005-09-19
- Last updated
- 2015-03-30
Frequently asked questions
- What is Frank Ratzken's NPI number?
- Frank Ratzken's National Provider Identifier (NPI) is 1942295613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Ratzken's specialty?
- Frank Ratzken is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Ratzken located?
- Frank Ratzken's practice location on file with NPPES is 2601 Ocean Pkwy, Brooklyn, NY 11235-7745.
- What is Frank Ratzken's phone number?
- The practice phone number listed in the NPPES registry for Frank Ratzken is (718) 616-3205.
- Does Frank Ratzken accept Medicare?
- Frank Ratzken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Ratzken's NPI active?
- Yes — Frank Ratzken's NPI (1942295613) is active in the NPPES registry as of the last update on 2015-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.