Individual provider Active NPI

Jacqueline To, M.D.

  • Internal Medicine Physician
  • Menlo Park, CA
National Provider Identifier
1215461645
Registry record updated Mar 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A160368 Issued in CA
Practice address
1906 El Camino Real Ste 202
Menlo Park, CA 94027-4114
Phone
(650) 585-3272
NPI assigned
Apr 12, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A160368 CA Primary

Addresses

Primary practice location

1906 El Camino Real Ste 202
Menlo Park, CA 94027-4114

Mailing address

325 Distel Cir
Los Altos, CA 94022-1408
Phone (650) 853-2977

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.
Opted out of Medicare
Yes, effective Feb 7, 2026 through Feb 7, 2028

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2017
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

325 Distel Cir
Los Altos, CA 94022-1408

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A160368CAMDInternal Medicine Physician

Interoperability endpoints

  • Direct secure messaging: jto465271@hisp.ehr.sutterhealth.org

Hospital & facility affiliations 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1491955200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773014400000",
    "number": "1215461645",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "325 DISTEL CIR",
            "city": "LOS ALTOS",
            "state": "CA",
            "postal_code": "940221408",
            "telephone_number": "650-853-2977"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1906 EL CAMINO REAL STE 202",
            "city": "MENLO PARK",
            "state": "CA",
            "postal_code": "940274114",
            "telephone_number": "650-585-3272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TO",
        "first_name": "JACQUELINE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-12",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A160368",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Menlo Park, CA

Sources for this page

Verify at the official NPI Registry.