DR. GUNJAN KUMAR M.D.
NPI 1669787040
Anesthesiology in Colton, CA
About Dr. Gunjan Kumar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUNJAN KUMAR M.D. (NPI 1669787040) is an individual anesthesiology provider in Colton, California, licensed in California (A119086) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Gunjan Kumar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gunjan Kumar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLTON, CA 92324
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 Gunjan Kumar's NPI number?
The NPI number for Gunjan Kumar is 1669787040. It was assigned to this individual provider in the NPPES registry on August 10, 2010.
Where is Gunjan Kumar located?
Gunjan Kumar practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-3367.
What is Gunjan Kumar's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gunjan Kumar enrolled in Medicare?
Yes. Gunjan Kumar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gunjan Kumar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gunjan Kumar reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). 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 Gunjan Kumar'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 Gunjan Kumar was last updated on February 2, 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.
# Dr. Gunjan Kumar, M.D. · NPI 1669787040
Anesthesiology physician in Colton, California. Individual provider, active in the CMS NPPES registry since August 10, 2010.
## Identity
- **NPI:** 1669787040 (Entity type: Individual)
- **Enumerated:** August 10, 2010
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A119086 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 N PEPPER AVE, Colton, CA 92324-1801
- **Phone:** (909) 580-3367
## 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:** Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 2, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1669787040) · Data from the CMS NPPES public registry.