GABRIEL CASTILLO MD
NPI 1811484835
Internal Medicine - Gastroenterology in Astoria, NY
About Gabriel Castillo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GABRIEL CASTILLO MD (NPI 1811484835) is an individual gastroenterology provider in Astoria, New York, licensed in New York (300941) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains a secondary practice location in Jackson Heights.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Gabriel Castillo 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 Reassignment
Medicare enrollment records show Gabriel Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wantagh, NY 11793
- Reassigned Medicare billing, New York enrollment
- 572 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11102 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ASTORIA, NY 11102
ASTORIA, NY 11102
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 Gabriel Castillo's NPI number?
The NPI number for Gabriel Castillo is 1811484835. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Gabriel Castillo located?
Gabriel Castillo practices at 3014 Crescent St, Astoria, NY 11102. The listed phone number is (718) 808-7777.
What is Gabriel Castillo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Gabriel Castillo enrolled in Medicare?
Yes. Gabriel Castillo 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 organization bills Medicare for Gabriel Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gabriel Castillo reassigns Medicare benefits to North Shore Medical Group Of The Mount Sinai School Of Medicine (Wantagh, 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 Gabriel Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gabriel Castillo affiliated with any hospitals?
According to CMS data, Gabriel Castillo is affiliated with Mount Sinai Hospital.
When was this NPI record last updated?
The NPPES record for Gabriel Castillo was last updated on August 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.