Individual provider Active NPI

Alice Marie Ramirez, MD

  • Pediatric Critical Care Medicine Physician
  • Los Gatos, CA
National Provider Identifier
1477896819
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Critical Care Medicine PhysicianTaxonomy code 2080P0203X
License
A134630 Issued in CA
Practice address
15400 Los Gatos Blvd
Los Gatos, CA 95032-2502
Phone
(408) 730-6222
NPI assigned
Apr 4, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Critical Care Medicine Physician 2080P0203X A134630 CA Primary
Pediatrics Physician 208000000X A134630 CA
Pediatric Cardiology Physician 2080P0202X A134630 CA

Addresses

Primary practice location

15400 Los Gatos Blvd
Los Gatos, CA 95032-2502

Mailing address

PO Box 276950
Sacramento, CA 95827-6950

Other practice location 1

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Other names 1

  • Alice Marie Ainsworth Former name

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
I20160428002208 CA Practitioner - Pediatric MedicinePractitioner - Cardiovascular Disease (Cardiology) 9234438029 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A134630CAMDPediatric Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group Current Accepting new patients
LPCH Medical Group Div of Lucile Pediatrics CurrentSince May 1, 2022 Accepting new patients
University of California SFGH Medical Group CurrentSince Jun 15, 2016 Accepting new patients
Stanford Health Care CurrentSince May 1, 2022 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Jan 1, 2026 Accepting new patients
University of California SFGH Medical Group CurrentSince Jun 15, 2016 Accepting new patients
Stanford Health Care Pediatrics CurrentSince May 1, 2022 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Jan 1, 2026 Accepting new patients

Locations

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

15400 Los Gatos Blvd
Los Gatos, CA 95032
Phone (408) 523-3102

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

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

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774

400 Parnassus Ave
#300
San Francisco, CA 94143
Phone (415) 476-2163

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

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

10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

Organizations & group practices 8

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.

NPI Registry JSON

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

{
    "created_epoch": "1365033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1477896819",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15400 LOS GATOS BLVD",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950322502",
            "telephone_number": "408-730-6222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMIREZ",
        "first_name": "ALICE",
        "middle_name": "MARIE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-04-04",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0203X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Critical Care Medicine",
            "state": "CA",
            "license": "A134630",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A134630",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "CA",
            "license": "A134630",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALICE",
            "last_name": "AINSWORTH",
            "middle_name": "MARIE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Los Gatos, CA

Sources for this page

Verify at the official NPI Registry.