Individual provider Active NPI

Shantanu Nundy, M.D.

  • Internal Medicine Physician
  • Stanford, CA
National Provider Identifier
1891950606
Registry record updated Jan 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
C175951 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Jul 21, 2008
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 16, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 125054577 IL
Internal Medicine Physician 207R00000X C175951 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA, CA3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20191125000385 DC Practitioner - HospitalistPractitioner - Internal Medicine 2961673256 Reassigns benefits to 2 organizations
I20251208001691 VA Practitioner - HospitalistPractitioner - Internal Medicine 2961673256 Reassigns benefits to 1 organization
I20251208003593 CA Practitioner - Internal Medicine 2961673256 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Johns Hopkins University School of Medicine, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Neighborhood HealthGroup PAC ID 7517853419, shared by 14 NPIs, 48 clinicians
Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

2 E Glebe Rd
Alexandria, VA 22305-2938
Phone (703) 535-5568

3300 Gallows Rd
Falls Church, VA 22042-3307

44045 Rivderside Pkwy
Leesburg, VA 20176-5101
Phone (703) 771-2960

6677 Richmond Hwy
Alexandria, VA 22306-6647
Phone (703) 535-5568

Hospital & facility affiliations

  • Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C175951CAMDInternal Medicine Physician
125054577ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Inova Health Care Services Internal Medicine CurrentSince Nov 17, 2025 Accepting new patients
Neighborhood Health CurrentSince Sep 1, 2019 Accepting new patients
Neighborhood Health Internal Medicine CurrentSince Sep 1, 2019 Accepting new patients
Stanford Health Care CurrentSince Nov 24, 2025 Accepting new patients
Stanford Health Care CurrentSince Nov 24, 2025 Accepting new patients
Stanford Health Care Internal Medicine Current Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Nov 24, 2025 Accepting new patients
Neighborhood Health Current Accepting new patients
Inova Health Care Services CurrentSince Nov 17, 2025 Accepting new patients

Locations

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

6677 Richmond Hwy
Alexandria, VA 22306

2 E Glebe Rd
Alexandria, VA 22305
Phone (703) 535-6913

3300 Gallows Rd
Fl 1
Falls Church, VA 22042
Phone (703) 776-4005

224B Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

44045 Riverside Pkwy
Leesburg, VA 20176
Phone (703) 858-6040

Interoperability endpoints

  • Direct secure messaging: shantanu.nundy@nhnva.eclinicaldirectplus.com

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 2

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": "1216598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1891950606",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NUNDY",
        "first_name": "SHANTANU",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-07-21",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125054577",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C175951",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.