Individual provider Active NPI

Eugenia Paula Custo Greig, MD

  • Ophthalmology Physician
  • Palo Alto, CA
National Provider Identifier
1649856477
Registry record updated Jul 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
A180994 Issued in CA
Practice address
300 Pasteur Dr
Palo Alto, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 22, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X A180994 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Palo Alto, CA 94305-2200

Mailing address

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

Other practice location 1

513 Parnassus Ave # S321
San Francisco, CA 94143-2205
Phone (415) 476-1239

Other practice location 2

39000 Bob Hope Dr
Rancho Mirage, CA 92270-3202
Phone (760) 340-3911

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
I20250611002021 CA Practitioner - Ophthalmology 5991247892 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Yale University School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, shared by 5 NPIs, 3,152 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Stanford Health Care Hospital, Stanford, CA, CCN 050441

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A180994CAMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care CurrentSince Jul 1, 2025 Accepting new patients
Stanford Health Care CurrentSince Jul 1, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Jul 1, 2025 Accepting new patients
Stanford Health Care Current Accepting new patients
Sutter Bay Medical Foundation CurrentSince Jul 1, 2025 Accepting new patients
Sutter East Bay Medical Foundation Past 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

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

2452 Watson Ct
Ste 1700
Palo Alto, CA 94303
Phone (650) 723-5281

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

2452 Watson Ct
Palo Alto, CA 94303
Phone (650) 721-6888

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

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

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

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

Interoperability endpoints

  • Direct secure messaging: ecustogreig739366@hisp.ehr.sutterhealth.org

Organizations & group practices 7

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 7

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": "1616371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1649856477",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "PALO ALTO",
            "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": "PALO ALTO",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "513 Parnassus Ave # S321",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941432205",
            "country_code": "US",
            "telephone_number": "415-476-1239",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "39000 Bob Hope Dr",
            "address_purpose": "LOCATION",
            "city": "Rancho Mirage",
            "state": "CA",
            "postal_code": "922703202",
            "country_code": "US",
            "telephone_number": "760-340-3911",
            "fax_number": "760-834-7874",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CUSTO GREIG",
        "first_name": "EUGENIA",
        "middle_name": "PAULA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-22",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A180994",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.