Leena K Gupta, MD

Individual provider Active NPI Internal Medicine Physician · Mariposa, CA

NPI 1811901580 · NPPES record last updated Jun 29, 2021

Key facts

NPI
1811901580
Entity type
Individual (NPI type 1)
Primary specialty
Internal Medicine Physician 207R00000X
License
A98907 (CA)
Practice address
5189 Hospital Rd
Mariposa, CA 95338-9524
Phone
(209) 966-3631
Fax
(209) 966-3776
NPI assigned
Jul 28, 2006
Sex
Female
Sole proprietor
Yes

Organizations & group practices 25

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Internal Medicine
Education
Other, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Bass Medical Group (292 clinicians)

Practice addresses (Care Compare)

175 N Jackson Ave
Suite 207
San Jose, CA 95116-1909
Phone (408) 666-0392

2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone (925) 378-4512

2800 Benedict Dr
San Leandro, CA 94577-6840
Phone (408) 666-0392

Hospital & facility affiliations

  • St Rose Hospital Hospital · Hayward, CA · CCN 050002
  • Alta Bates Summit Medical Center - Alta Bates Camp Hospital · Berkeley, CA · CCN 050305
  • Alta Bates Summit Medical Center Hospital · Oakland, CA · CCN 050043
  • Kindred Hospital - San Francisco Bay Area Long-term care hospital · San Leandro, CA · CCN 052034

Medicare participation

Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20070530000274 CA Practitioner - Internal Medicine 6901899384 Reassigns benefits to 5 organizations
Practice locations: San Jose, CA; San Leandro, CA

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
26851MSMDNeurocritical Care Physician

Practice roles (14 of 15)

OrganizationSpecialtyStatusNew patients
Erx Plus Professional Corporation Current
since Jan 31, 2023
Accepting new patients
Bass Medical Group Current Accepting new patients
Bass Medical Group Current
since Nov 3, 2025
Accepting new patients
Desert Medical Group, Inc. Internal Medicine Current
since Apr 29, 2024
Accepting new patients
Erx Hospitalist Group PC Current
since Jan 31, 2023
Accepting new patients
Leena Gupta MD Internal Medicine Current
since Aug 15, 2021
Accepting new patients
Advanced Sleep Diagnostics, Inc. Current
since Nov 3, 2025
Accepting new patients
Hospitalist Medicine Physicians of California, Inc Internal Medicine Current
since Sep 1, 2011
Accepting new patients
Cogent Healthcare of Washington, PC Internal Medicine Past Accepting new patients
Sutter East Bay Medical Foundation Internal Medicine Past Accepting new patients
Gaurav Datta MD Inc Internal Medicine Past Accepting new patients
Erx Plus Professional Corporation Past Accepting new patients
Bass Medical Group Past Accepting new patients
Bass Medical Group Past Accepting new patients

Locations

1505 Saint Alphonsus Way
Alamo, CA 94507
Phone (925) 837-4225

18300 US Highway 18
Apple Valley, CA 92307
Phone (760) 424-2311

5189 Hospital Rd
Mariposa, CA 95338
Phone (209) 966-3631

275 N El Cielo Rd
Palm Springs, CA 92262
Phone (760) 320-8814

450 Stanyan St
Fl 6
San Francisco, CA 94117
Phone (415) 456-9680

225 N Jackson Ave
San Jose, CA 95116
Phone (408) 347-4051

175 N Jackson Ave
Ste 200
San Jose, CA 95116
Phone (408) 384-7160

222 W 39th Ave
San Mateo, CA 94403
Phone (415) 573-2222

2637 Shadelands Dr
Walnut Creek, CA 94598
Phone (925) 627-3424

2000 N Classen Blvd
Ste 1200
Oklahoma City, OK 73106
Phone (866) 488-4558

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: lgupta189757@ehr.johnmuirhealth.com
  • Direct secure messaging: lgupta133537@ummc.direct-ci.com

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Neurocritical Care Physician 2084A2900X 26851 MS
Internal Medicine Physician 207R00000X MD00042605 WA
Internal Medicine Physician 207R00000X A98907 CA Yes

Addresses

Primary practice location

5189 Hospital Rd
Mariposa, CA 95338-9524

Mailing address

4945 Bridgeview LN
San Jose, CA 95138-2702
Phone (408) 666-0392

Other practice location 1

4945 Bridgeview Ln
San Jose, CA 95138-2702
Phone (503) 473-2457

Other practice location 2

2500 N State St
Jackson, MS 39216
Phone (408) 666-0392

Other providers in Mariposa, CA

All providers in Mariposa, CA · Internal Medicine Physician in California

Sources for this page

Verify at the official NPI Registry.