DR. LEENA K GUPTA MD
NPI 1811901580
Internal Medicine in Mariposa, CA
About Dr. Leena K Gupta Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEENA K GUPTA MD (NPI 1811901580) is an individual internal medicine provider in Mariposa, California, licensed in California (A98907) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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. Leena K Gupta 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
5Medicare enrollment records show Leena Gupta reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mariposa, CA 95338
- Reassigned Medicare billing, California enrollment
- 28 clinicians in this Medicare group
Antioch, CA 94509
- Reassigned Medicare billing, California enrollment
- 347 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
Palm Springs, CA 92262
- Reassigned Medicare billing, California enrollment
- 167 clinicians in this Medicare group
Knoxville, TN 37922
- Reassigned Medicare billing, California 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95338 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 3
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARIPOSA, CA 95338
MARIPOSA, CA 95338
MARIPOSA, CA 95338
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 Leena Gupta's NPI number?
The NPI number for Leena Gupta is 1811901580. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Leena Gupta located?
Leena Gupta practices at 5189 Hospital Rd, Mariposa, CA 95338. The listed phone number is (209) 966-3631.
What is Leena Gupta's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Leena Gupta enrolled in Medicare?
Yes. Leena Gupta 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 Leena Gupta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leena Gupta reassigns Medicare benefits to 5 organizations: Erx Plus Professional Corporation (Mariposa, CA), Bass Medical Group (Antioch, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA), Desert Medical Group, Inc. (Palm Springs, CA) and Erx Hospitalist Group PC (Knoxville, TN). 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 Leena 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 Leena Gupta was last updated on June 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Leena K Gupta, MD · NPI 1811901580
Internal Medicine physician in Mariposa, California. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1811901580 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A98907 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5189 HOSPITAL RD, Mariposa, CA 95338-9524
- **Phone:** (209) 966-3631 · **Fax:** (209) 966-3776
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Erx Plus Professional Corporation (NPI 1336508407, Mariposa, CA); Bass Medical Group (NPI 1396124574, Antioch, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); Desert Medical Group, Inc. (NPI 1114918612, Palm Springs, CA); Erx Hospitalist Group PC (NPI 1699199562, Knoxville, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** June 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1811901580) · Data from the CMS NPPES public registry.