KASIM KAZBAY MD
NPI 1265747489
Internal Medicine - Gastroenterology in Middletown, NY
About Kasim Kazbay Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KASIM KAZBAY MD (NPI 1265747489) is an individual gastroenterology provider in Middletown, New York, licensed in New York (269455) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains a secondary practice location in Harris.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 and accepts Medicare assignment
Kasim Kazbay 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 Kasim Kazbay reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Astoria, NY 11102
- Reassigned Medicare billing, New York enrollment
- 207 clinicians in this Medicare group
Hempstead, NY 11550
- Reassigned Medicare billing, New York enrollment
- 302 clinicians in this Medicare group
Escanaba, MI 49829
- Reassigned Medicare billing, Michigan enrollment
- 440 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 12
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYMount Sinai South Nassau
Acute Care Hospitals · Oceanside, NYMetropolitan Hospital Center
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10940 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.
MIDDLETOWN, NY 10940
MIDDLETOWN, NY 10940
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 Kasim Kazbay's NPI number?
The NPI number for Kasim Kazbay is 1265747489. It was assigned to this individual provider in the NPPES registry on August 12, 2010.
Where is Kasim Kazbay located?
Kasim Kazbay practices at 707 E Main St, Middletown, NY 10940. The listed phone number is (845) 333-7575.
What is Kasim Kazbay's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Kasim Kazbay enrolled in Medicare?
Yes. Kasim Kazbay 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 Kasim Kazbay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kasim Kazbay reassigns Medicare benefits to 4 organizations: Physician Affiliate Group Of New York PC (New York, NY), Icahn School Of Medicine At Mount Sinai (Astoria, NY), Mount Sinai School Of Medicine (Hempstead, NY) and Dlp Marquette Physician Practices Inc (Escanaba, MI). 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 Kasim Kazbay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kasim Kazbay affiliated with any hospitals?
According to CMS data, Kasim Kazbay is affiliated with Mount Sinai Hospital, Mount Sinai South Nassau and Metropolitan Hospital Center.
When was this NPI record last updated?
The NPPES record for Kasim Kazbay was last updated on November 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.