DR. INDERVIR S GREWAL MD
NPI 1366704652
Anesthesiology - Pain Medicine in Las Vegas, NV
About Dr. Indervir S Grewal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. INDERVIR S GREWAL MD (NPI 1366704652) is an individual pain medicine provider in Las Vegas, Nevada, licensed in California (A139470) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
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. Indervir S Grewal 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
3Medicare enrollment records show Indervir Grewal reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 clinicians in this Medicare group
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 137 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.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS VEGAS, NV 89102
LAS VEGAS, NV 89102
LAS VEGAS, NV 89102
LAS VEGAS, NV 89102
LAS VEGAS, NV 89102
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 Indervir Grewal's NPI number?
The NPI number for Indervir Grewal is 1366704652. It was assigned to this individual provider in the NPPES registry on June 12, 2012.
Where is Indervir Grewal located?
Indervir Grewal practices at 2040 W Charleston Blvd Ste 504, Las Vegas, NV 89102. The listed phone number is (702) 671-6437.
What is Indervir Grewal's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Indervir Grewal enrolled in Medicare?
Yes. Indervir Grewal 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 Indervir Grewal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Indervir Grewal reassigns Medicare benefits to 3 organizations: San Joaquin Faculty Medical Group (French Camp, CA), Permanente Medical Group Inc (Stockton, CA) and Integrated Pain Management Medical Group, Inc. (Walnut Creek, CA). 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 Indervir Grewal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Indervir Grewal was last updated on December 17, 2021. 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.
# Dr. Indervir S Grewal, MD · NPI 1366704652
Pain Medicine physician in Las Vegas, Nevada. Individual provider, active in the CMS NPPES registry since June 12, 2012.
## Identity
- **NPI:** 1366704652 (Entity type: Individual)
- **Enumerated:** June 12, 2012
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **State license:** A139470 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2040 W CHARLESTON BLVD STE 504, Las Vegas, NV 89102-2207
- **Phone:** (702) 671-6437
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): San Joaquin Faculty Medical Group (NPI 1225063761, French Camp, CA); Permanente Medical Group Inc (NPI 1548343510, Stockton, CA); Integrated Pain Management Medical Group, Inc. (NPI 1922198779, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1366704652) · Data from the CMS NPPES public registry.