DR. HARJINDER S GREWAL M.D.
NPI 1699742585
Internal Medicine - Cardiovascular Disease in Dover, DE
About Dr. Harjinder S Grewal M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARJINDER S GREWAL M.D. (NPI 1699742585) is an individual cardiovascular disease provider in Dover, Delaware, licensed in Delaware (C10004533) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Harjinder S Grewal M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Harjinder Grewal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dover, DE 19904
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1407615388 (Delaware), NPI 1417473935 (Delaware), NPI 1063938439 (Delaware)
- 202 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 26
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 19904 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOVER, DE 19904
DOVER, DE 19904
DOVER, DE 19904
DOVER, DE 19904
DOVER, DE 19904
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 Harjinder Grewal's NPI number?
The NPI number for Harjinder Grewal is 1699742585. It was assigned to this individual provider in the NPPES registry on March 1, 2006.
Where is Harjinder Grewal located?
Harjinder Grewal practices at 540 S Governors Ave Ste 201, Dover, DE 19904. The listed phone number is (302) 672-4600.
What is Harjinder Grewal's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Harjinder Grewal enrolled in Medicare?
Yes. Harjinder Grewal is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Harjinder Grewal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harjinder Grewal reassigns Medicare benefits to Bayhealth Medical Center, Inc (Dover, DE). The 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 Harjinder Grewal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harjinder Grewal accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next list Harjinder Grewal 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 Harjinder Grewal was last updated on May 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.