Individual provider Active NPI

Gagan Mahajan, M.D.

  • Anesthesiology Physician
  • Sacramento, CA
National Provider Identifier
1144205063
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
A712730 Issued in CA
Practice address
4150 V St
PSSB-Suite 1200 - Med: Anesthesia
Sacramento, CA 95817-1460
Phone
(916) 734-7985
Fax
(916) 734-2975
NPI assigned
Dec 13, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X A712730 CA Primary

Addresses

Primary practice location

4150 V St
PSSB-Suite 1200 - Med: Anesthesia
Sacramento, CA 95817-1460

Mailing address

4150 V St
PSSB-Suite 1200 - Med: Anesthesia
Sacramento, CA 95817-1460
Phone (916) 734-7985

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090108000785 CA Practitioner - Pain ManagementPractitioner - AnesthesiologyPractitioner - Physical Medicine and Rehabilitation 0345303814 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pain ManagementAlso: Anesthesiology
Education
Pennsylvania State University College of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Regents of the Univ of CaGroup PAC ID 3375456619, 1,571 clinicians

Practice addresses (Care Compare)

10850 White Rock Rd
Rancho Cordova, CA 95670-6044

2315 Stockton Blvd
Sacramento, CA 95817-2201
Phone (916) 734-2011

4860 Y St
Sacramento, CA 95817-2307

4861 Y St
Sacramento, CA 95817-2307
Phone (916) 734-2525

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.15 of 100Reported as group
Quality
64.8
Promoting interoperability
100
Improvement activities
40
Cost
68.65

Merit-based Incentive Payment System (MIPS)

Final score
90.11 of 100Reported as group
Quality
86.24
Promoting interoperability
100
Improvement activities
40
Cost
78.35

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A712730CAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California CurrentSince Nov 1, 2014 Accepting new patients
Regents of the Univ of Ca Current Accepting new patients
Regents of the University of California CurrentSince Nov 1, 2014 Accepting new patients
Regents of the Univ of Ca CurrentSince Aug 9, 2001 Accepting new patients
Regents of the University of California Current Accepting new patients
Regents of the Univ of Ca CurrentSince Aug 9, 2001 Accepting new patients
Regents of the Univ of Ca Past Accepting new patients
Regents of the Univ of Ca Past Accepting new patients
Essent PRMC LP Anesthesiology Past Accepting new patients

Locations

271 Turn Pike Dr
Folsom, CA 95630
Phone (916) 985-9200

10850 White Rock Rd
Rancho Cordova, CA 95670

550 W Ranch View Dr
Rocklin, CA 95765
Phone (916) 295-5700

2315 Stockton Blvd
Sacramento, CA 95817
Phone (916) 703-3030

2400 Del Paso Rd
Ste 145
Sacramento, CA 95834
Phone (916) 928-3940

4860 Y St
Ste 2700
Sacramento, CA 95817
Phone (916) 734-6688

4900 Broadway
Ste 2800
Sacramento, CA 95820
Phone (916) 734-9313

4860 Y St
Sacramento, CA 95817
Phone (916) 734-2700

Interoperability endpoints

  • Direct secure messaging: gmahajan229340@hisp.ehr.sutterhealth.org

Organizations & group practices 9

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 3

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

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1134432000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1144205063",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4150 V ST",
            "address_2": "PSSB-SUITE 1200 - MED: ANESTHESIA",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958171460",
            "telephone_number": "916-734-7985",
            "fax_number": "916-734-2975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4150 V ST",
            "address_2": "PSSB-SUITE 1200 - MED: ANESTHESIA",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958171460",
            "telephone_number": "916-734-7985",
            "fax_number": "916-734-2975"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHAJAN",
        "first_name": "GAGAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A712730",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sacramento, CA

Sources for this page

Verify at the official NPI Registry.