ERNEST AST MD
NPI 1982779757
Dermatology in Jamaica, NY
About Ernest Ast Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERNEST AST MD (NPI 1982779757) is an individual dermatology provider in Jamaica, New York, licensed in New York (159637) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Brookdale Hospital Medical Center, and is a graduate of Icahn School Of Medicine At Mount Sinai (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ernest Ast Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Ernest Ast reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11213
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Interfaith Professional Physician Services PC
- 635 clinicians in this Medicare group
Brooklyn, NY 11212
- Reassigned Medicare billing, New York enrollment
- 782 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 623 clinicians in this Medicare group
New York, NY 10009
- Reassigned Medicare billing, New York enrollment
- 186 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brookdale Hospital Medical Center
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11432 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
JAMAICA, NY 11432
JAMAICA, NY 11432
JAMAICA, NY 11432
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 Ernest Ast's NPI number?
The NPI number for Ernest Ast is 1982779757. It was assigned to this individual provider in the NPPES registry on November 21, 2006.
Where is Ernest Ast located?
Ernest Ast practices at 8268 164th St, Jamaica, NY 11432. The listed phone number is (718) 883-3225.
What is Ernest Ast's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Ernest Ast enrolled in Medicare?
Yes. Ernest Ast is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ernest Ast's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernest Ast reassigns Medicare benefits to 4 organizations: Interfaith Professional Physician Services, P.C. (Brooklyn, NY), Brookdale Hospital Medical Center (Brooklyn, NY), Metropolitan Medical Practice Plan PC (New York, NY) and William F. Ryan Community Health Center Inc (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 Ernest Ast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ernest Ast affiliated with any hospitals?
According to CMS data, Ernest Ast is affiliated with Brookdale Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Ernest Ast was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.