KEITH G ANCONA M.D.
NPI 1619934205
Pediatrics in Smithtown, NY
About Keith G Ancona M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH G ANCONA M.D. (NPI 1619934205) is an individual pediatrics provider in Smithtown, New York, licensed in New York (221658) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Keith G Ancona M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Keith Ancona reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hawthorne, NY 10532
- Reassigned Medicare billing, New York enrollment
- 511 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11787 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Keith Ancona's NPI number?
The NPI number for Keith Ancona is 1619934205. It was assigned to this individual provider in the NPPES registry on April 27, 2006.
Where is Keith Ancona located?
Keith Ancona practices at 300 E Main St Suite 5, Smithtown, NY 11787. The listed phone number is (631) 979-6466.
What is Keith Ancona's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Keith Ancona enrolled in Medicare?
Yes. Keith Ancona is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Keith Ancona's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Ancona reassigns Medicare benefits to Boston Children's Health Physicians, LLP (Hawthorne, NY). The 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 Keith Ancona'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 Keith Ancona was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.