Oyunbileg Magvanjav, MD, PHD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

80128 Issued in CT

Practice address

20 York St
New Haven, CT 06510-3220

Phone

(203) 688-4242

NPI assigned

Apr 7, 2020

Last updated

Sep 2, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CT

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

Medicare enrollment (NPD)

Enrolled

Practice roles

Interoperability endpoints

• Direct secure messaging: omagvanjav571193@direct.ynhh.org

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

• Vanderbilt University Medical Center

  dba Vanderbilt Medical Group

  • Internal Medicine Physician
  • Nashville, TN
  • NPI 1104202761
  NPD (past)

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

{
    "created_epoch": "1586217600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1588293815",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 YORK ST APT 16P",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065115639",
            "telephone_number": "203-824-2270",
            "fax_number": "475-313-1242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAGVANJAV",
        "first_name": "OYUNBILEG",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-07",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CT",
            "license": "80128",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Magid-Bernstein, MD, PHD
• Lawrence Magras, M.D.
• Ruth J Magraw, MD
• Urania Magriples, MD
• Rachel Maguire
• Andrew Mahabee, CPHT
• Yuvraj Jatin Mahadeshwar, MD
• Shiwani Mahajan
• Smita Milind Mahajan, M.D
• Sowmya Mahalingam, MBBS.,MD

• Endocrinology, Diabetes & Metabolism Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Endocrinology, Diabetes & Metabolism Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.