NUPUR GUPTA D.O.
NPI 1417375940
Internal Medicine - Infectious Disease in Oakland, CA
About Nupur Gupta D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NUPUR GUPTA D.O. (NPI 1417375940) is an individual infectious disease provider in Oakland, California, licensed in California (20A22801) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
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
Nupur Gupta D.o. 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
12Medicare enrollment records show Nupur Gupta reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Bakersfield, CA 93309
- Reassigned Medicare billing, California enrollment
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- 349 clinicians in this Medicare group
Gulfport, MS 39503
- Reassigned Medicare billing, Mississippi enrollment
- 298 clinicians in this Medicare group
East Liverpool, OH 43920
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Leechburg, PA 15656
- Reassigned Medicare billing, Pennsylvania enrollment
- 59 clinicians in this Medicare group
Berkeley Springs, WV 25411
- Reassigned Medicare billing, West Virginia enrollment
- 158 clinicians in this Medicare group
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 386 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
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 94609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Nupur Gupta's NPI number?
The NPI number for Nupur Gupta is 1417375940. It was assigned to this individual provider in the NPPES registry on April 1, 2014.
Where is Nupur Gupta located?
Nupur Gupta practices at 3100 Summit St, 2nd Floor, Oakland, CA 94609. The listed phone number is (510) 869-8400.
What is Nupur Gupta's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Nupur Gupta enrolled in Medicare?
Yes. Nupur 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 Nupur Gupta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nupur Gupta reassigns Medicare benefits to 12 organizations: East Bay Aids Center Medical Group Inc (Oakland, CA), Sutter Bay Medical Foundation (Orinda, CA), Permanente Medical Group Inc (Richmond, CA), Infectious Disease Tele-Medical Of California PC (Bakersfield, CA), Medical Foundation, Inc. (Meridian, MS) and 7 more organizations, listed in the Medicare section above. 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 Nupur Gupta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nupur Gupta accept?
Health plans from CareSource, Cigna Healthcare and Oscar Health Plan, Inc. list Nupur Gupta 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 Nupur Gupta was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Nupur Gupta, D.O. · NPI 1417375940
Infectious Disease physician in Oakland, California. Individual provider, active in the CMS NPPES registry since April 1, 2014.
## Identity
- **NPI:** 1417375940 (Entity type: Individual)
- **Enumerated:** April 1, 2014
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 20A22801 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3100 SUMMIT ST, 2ND FLOOR, Oakland, CA 94609-3412
- **Phone:** (510) 869-8400
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): East Bay Aids Center Medical Group Inc (NPI 1689600314, Oakland, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Permanente Medical Group Inc (NPI 1235226531, Richmond, CA); Infectious Disease Tele-Medical Of California PC (NPI 1942097464, Bakersfield, CA); Medical Foundation, Inc. (NPI 1609820539, Meridian, MS); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** May 20, 2026
- **Other identifiers:** Medicaid 1417375940 (NC)
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Source: [NPI Profile](https://npiprofile.com/npi/1417375940) · Data from the CMS NPPES public registry.