NISARG R DESAI MD
NPI 1174768956
Internal Medicine - Medical Oncology in Rehoboth Beach, DE
About Nisarg R Desai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NISARG R DESAI MD (NPI 1174768956) is an individual medical oncology provider in Rehoboth Beach, Delaware, licensed in Delaware (C1-0011772) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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 (PECOS)
Nisarg R Desai Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Nisarg Desai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewes, DE 19958
- Reassigned Medicare billing, Delaware enrollment
- 382 clinicians in this Medicare group
Lewes, DE 19958
- Reassigned Medicare billing, Delaware enrollment
- 23 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19971 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
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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REHOBOTH BEACH, DE 19971
REHOBOTH BEACH, DE 19971
REHOBOTH BEACH, DE 19971
REHOBOTH BEACH, DE 19971
REHOBOTH BEACH, DE 19971
REHOBOTH BEACH, DE 19971
REHOBOTH BEACH, DE 19971
REHOBOTH BEACH, DE 19971
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 Nisarg Desai's NPI number?
The NPI number for Nisarg Desai is 1174768956. It was assigned to this individual provider in the NPPES registry on December 9, 2008.
Where is Nisarg Desai located?
Nisarg Desai practices at 18947 John J Williams Hwy Unit 101, Rehoboth Beach, DE 19971. The listed phone number is (302) 645-3770.
What is Nisarg Desai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Nisarg Desai enrolled in Medicare?
Yes. Nisarg Desai is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nisarg Desai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nisarg Desai reassigns Medicare benefits to 2 organizations: Beebe Physician Network, Inc. (Lewes, DE) and Beebe Medical Center, Inc. (Lewes, DE). 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 Nisarg Desai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nisarg Desai accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Nisarg Desai 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.
When was this NPI record last updated?
The NPPES record for Nisarg Desai was last updated on January 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Nisarg R Desai, MD · NPI 1174768956
Medical Oncology physician in Rehoboth Beach, Delaware. Individual provider, active in the CMS NPPES registry since December 9, 2008.
## Identity
- **NPI:** 1174768956 (Entity type: Individual)
- **Enumerated:** December 9, 2008
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** C1-0011772 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 18947 JOHN J WILLIAMS HWY UNIT 101, Rehoboth Beach, DE 19971-4480
- **Phone:** (302) 645-3770 · **Fax:** (302) 645-5718
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Beebe Physician Network, Inc. (NPI 1730133992, Lewes, DE); Beebe Medical Center, Inc. (NPI 1821196486, Lewes, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** January 19, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1174768956) · Data from the CMS NPPES public registry.