DINESH SETHI MD
NPI 1194763920
Internal Medicine in Wyandanch, NY
About Dinesh Sethi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DINESH SETHI MD (NPI 1194763920) is an individual internal medicine provider in Wyandanch, New York, licensed in New York (230596) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai South Nassau, and is a graduate of Other (1998).
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
Dinesh Sethi 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
6Medicare enrollment records show Dinesh Sethi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wyandanch, NY 11798
- Reassigned Medicare billing, New York enrollment
- 20 clinicians in this Medicare group
Hauppauge, NY 11788
- Reassigned Medicare billing, New York enrollment
- 8 clinicians in this Medicare group
Merrick, NY 11566
- Reassigned Medicare billing, New York enrollment
- 302 clinicians in this Medicare group
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- 16 clinicians in this Medicare group
Garden City, NY 11530
- Reassigned Medicare billing, New York enrollment
- 9 clinicians in this Medicare group
Far Rockaway, NY 11691
- Reassigned Medicare billing, New York enrollment
- 60 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 20
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.
Mount Sinai South Nassau
Acute Care Hospitals · Oceanside, NYSt John's Episcopal Hospital At South Shore
Acute Care Hospitals · Far Rockaway, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11798 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 40
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
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 Dinesh Sethi's NPI number?
The NPI number for Dinesh Sethi is 1194763920. It was assigned to this individual provider in the NPPES registry on June 3, 2006.
Where is Dinesh Sethi located?
Dinesh Sethi practices at 1521 Straight Path, Wyandanch, NY 11798. The listed phone number is (631) 643-3800.
What is Dinesh Sethi's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Dinesh Sethi enrolled in Medicare?
Yes. Dinesh Sethi 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 Dinesh Sethi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dinesh Sethi reassigns Medicare benefits to 6 organizations: Dinesh Sethi Physician PC (Wyandanch, NY), Comprehensive Medical Associates PLLC (Hauppauge, NY), Mount Sinai School Of Medicine (Merrick, NY), Ally Medical PC (Rockville Centre, NY), New Health Medical PC (Garden City, NY) and 1 more organization, 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 Dinesh Sethi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dinesh Sethi affiliated with any hospitals?
According to CMS data, Dinesh Sethi is affiliated with Mount Sinai South Nassau and St John's Episcopal Hospital At South Shore.
When was this NPI record last updated?
The NPPES record for Dinesh Sethi was last updated on August 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.