NICHOLAS JOHN COSTABLE MD
NPI 1790289197
Internal Medicine - Gastroenterology in Valhalla, NY
About Nicholas John Costable Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS JOHN COSTABLE MD (NPI 1790289197) is an individual gastroenterology provider in Valhalla, New York, licensed in New York (303919) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Garnet Health Medical Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Nicholas John Costable 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
2Medicare enrollment records show Nicholas Costable reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Garnet Health Medical Center
Acute Care Hospitals · Middletown, NYWestchester Medical Center
Acute Care Hospitals · Valhalla, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10595 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VALHALLA, NY 10595
VALHALLA, NY 10595
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 Nicholas Costable's NPI number?
The NPI number for Nicholas Costable is 1790289197. It was assigned to this individual provider in the NPPES registry on March 20, 2018.
Where is Nicholas Costable located?
Nicholas Costable practices at 100 Woods Rd Fl 3, Valhalla, NY 10595. The listed phone number is (914) 533-4111.
What is Nicholas Costable's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Nicholas Costable enrolled in Medicare?
Yes. Nicholas Costable 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 Nicholas Costable's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Costable reassigns Medicare benefits to 2 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY) and Montefiore Medical Center (Bronx, 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 Nicholas Costable's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nicholas Costable affiliated with any hospitals?
According to CMS data, Nicholas Costable is affiliated with Garnet Health Medical Center and Westchester Medical Center.
When was this NPI record last updated?
The NPPES record for Nicholas Costable was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Nicholas John Costable, MD · NPI 1790289197
Gastroenterology physician in Valhalla, New York. Individual provider, active in the CMS NPPES registry since March 20, 2018.
## Identity
- **NPI:** 1790289197 (Entity type: Individual)
- **Enumerated:** March 20, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 303919 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 WOODS RD FL 3, Valhalla, NY 10595-1530
- **Phone:** (914) 533-4111
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); Montefiore Medical Center (NPI 1063525152, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1790289197) · Data from the CMS NPPES public registry.