DR. CHOUDHURY S HASAN M.D.
NPI 1629187752
Internal Medicine - Gastroenterology in Rego Park, NY
About Dr. Choudhury S Hasan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHOUDHURY S HASAN M.D. (NPI 1629187752) is an individual gastroenterology provider in Rego Park, New York, licensed in New York (187727) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Canton-potsdam Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
Accepted Insurance
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
Dr. Choudhury S Hasan M.d. 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
13Medicare enrollment records show Choudhury Hasan reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flushing, NY 11355
- Reassigned Medicare billing, New York enrollment
- 327 clinicians in this Medicare group
Fresh Meadows, NY 11365
- Reassigned Medicare billing, New York enrollment
- 944 clinicians in this Medicare group
Brooklyn, NY 11237
- Reassigned Medicare billing, New York enrollment
- 427 clinicians in this Medicare group
Brooklyn, NY 11213
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Interfaith Professional Physician Services PC
- 635 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Elmont, NY 11003
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Nassau Health Care Corporation
- 553 clinicians in this Medicare group
Brooklyn, NY 11220
- Reassigned Medicare billing, New York enrollment
- 15 clinicians in this Medicare group
Liverpool, NY 13088
- Reassigned Medicare billing, New York enrollment
- 625 clinicians in this Medicare group
Potsdam, NY 13676
- Reassigned Medicare billing, New York enrollment
- 414 clinicians in this Medicare group
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 1,030 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 10
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.
Canton-Potsdam Hospital
Acute Care Hospitals · Potsdam, NYSt Catherine Of Siena Hospital Medical Center
Acute Care Hospitals · Smithtown, NYSlhs Massena, Inc
Critical Access Hospitals · Massena, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11374 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 10
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 Choudhury Hasan's NPI number?
The NPI number for Choudhury Hasan is 1629187752. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Choudhury Hasan located?
Choudhury Hasan practices at 9712 63rd Dr Suite-Ca, Rego Park, NY 11374. The listed phone number is (718) 830-3388.
What is Choudhury Hasan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Choudhury Hasan enrolled in Medicare?
Yes. Choudhury Hasan 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 Choudhury Hasan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Choudhury Hasan reassigns Medicare benefits to 13 organizations: Flushing Hospital & Medical Center (Flushing, NY), Chs Physician Partners, PC (Fresh Meadows, NY), Wyckoff Professional Medical Services, PC (Brooklyn, NY), Interfaith Professional Physician Services, P.C. (Brooklyn, NY), Physician Affiliate Group Of New York PC (New York, NY) and 8 more organizations, listed in the Medicare section above. 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 Choudhury Hasan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Choudhury Hasan accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Choudhury Hasan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Choudhury Hasan affiliated with any hospitals?
According to CMS data, Choudhury Hasan is affiliated with Canton-Potsdam Hospital, St Catherine Of Siena Hospital Medical Center and Slhs Massena, Inc.
When was this NPI record last updated?
The NPPES record for Choudhury Hasan was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Choudhury S Hasan, M.D. · NPI 1629187752
Gastroenterology physician in Rego Park, New York. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1629187752 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 187727 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9712 63RD DR, SUITE-CA, Rego Park, NY 11374-2243
- **Phone:** (718) 830-3388 · **Fax:** (718) 732-1667
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Flushing Hospital & Medical Center (NPI 1548217763, Flushing, NY); Chs Physician Partners, PC (NPI 1407089345, Fresh Meadows, NY); Wyckoff Professional Medical Services, PC (NPI 1659710796, Brooklyn, NY); Interfaith Professional Physician Services, P.C. (NPI 1457643991, Brooklyn, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** March 31, 2025
- **Other identifiers:** Medicaid 01324794 (NY); Other 2012784 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1629187752) · Data from the CMS NPPES public registry.