FRANK RATZKEN MD
NPI 1942295613
Pediatrics - Adolescent Medicine in Brooklyn, NY
About Frank Ratzken Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANK RATZKEN MD (NPI 1942295613) is an individual adolescent medicine provider in Brooklyn, New York, licensed in New York (218256) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Frank Ratzken Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Frank Ratzken reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 638 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11235
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Frank Ratzken's NPI number?
The NPI number for Frank Ratzken is 1942295613. It was assigned to this individual provider in the NPPES registry on September 19, 2005.
Where is Frank Ratzken located?
Frank Ratzken practices at 2601 Ocean Pkwy, Brooklyn, NY 11235. The listed phone number is (718) 616-3205.
What is Frank Ratzken's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.
Is Frank Ratzken enrolled in Medicare?
Yes. Frank Ratzken is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Frank Ratzken's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Ratzken reassigns Medicare benefits to 2 organizations: Coney Island Medical Practice Plan, P.C. (Brooklyn, NY) and Physician Affiliate Group Of New York PC (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Frank Ratzken's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Frank Ratzken was last updated on March 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Frank Ratzken, MD · NPI 1942295613
Adolescent Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since September 19, 2005.
## Identity
- **NPI:** 1942295613 (Entity type: Individual)
- **Enumerated:** September 19, 2005
- **Primary specialty:** Pediatrics - Adolescent Medicine · taxonomy 2080A0000X
- **State license:** 218256 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2601 OCEAN PKWY, Brooklyn, NY 11235-7745
- **Phone:** (718) 616-3205 · **Fax:** (718) 616-5037
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Coney Island Medical Practice Plan, P.C. (NPI 1386951762, Brooklyn, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 30, 2015
- **Other identifiers:** Other 3C9948 (NY); Other P3200333 (NY); Medicaid 02440540 (NY); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1942295613) · Data from the CMS NPPES public registry.