DR. SUNIL GUPTA D.O.
NPI 1437310059
Internal Medicine - Rheumatology in Laguna Hills, CA
About Dr. Sunil Gupta D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUNIL GUPTA D.O. (NPI 1437310059) is an individual rheumatology provider in Laguna Hills, California, licensed in California (20A12640) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Sunil Gupta D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sunil Gupta reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LAGUNA HILLS, CA 92653
LAGUNA HILLS, CA 92653
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 Sunil Gupta's NPI number?
The NPI number for Sunil Gupta is 1437310059. It was assigned to this individual provider in the NPPES registry on June 17, 2008.
Where is Sunil Gupta located?
Sunil Gupta practices at 26538 Moulton Pkwy Ste 38E, Laguna Hills, CA 92653. The listed phone number is (949) 448-0656.
What is Sunil Gupta's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Sunil Gupta enrolled in Medicare?
Yes. Sunil Gupta is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sunil Gupta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sunil Gupta reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, 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 Sunil Gupta'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 Sunil Gupta was last updated on July 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Sunil Gupta, D.O. · NPI 1437310059
Rheumatology physician in Laguna Hills, California. Individual provider, active in the CMS NPPES registry since June 17, 2008.
## Identity
- **NPI:** 1437310059 (Entity type: Individual)
- **Enumerated:** June 17, 2008
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 20A12640 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 26538 MOULTON PKWY STE 38E, Laguna Hills, CA 92653
- **Phone:** (949) 448-0656
## 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:** Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 19, 2018
- **Other identifiers:** Other 1437310059 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1437310059) · Data from the CMS NPPES public registry.