Active NPI
Eugenia Paula Custo Greig, MD
- Ophthalmology Physician
- Palo Alto, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- A180994
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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 Care
Practice addresses (Care Compare)
300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000
Hospital & facility affiliations
- Stanford Health Care
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A180994 | CA | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Stanford Health Care | Current | Accepting new patients | |
| Stanford Health Care | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| LPCH Medical Group Div of Lucile | Current | Accepting new patients | |
| Stanford Health Care | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | 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
- 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.
-
- Children's Hospital
- Palo Alto, CA
- NPI 1417907940
-
- General Acute Care Hospital
- Stanford, CA
- NPI 1437292927
-
- Multi-Specialty Clinic/Center
- Palo Alto, CA
- NPI 1013950807
-
- General Acute Care Hospital
- Emeryville, CA
- NPI 1275076325
-
- Specialty Pharmacy
- Mountain View, CA
- NPI 1760366132
-
- Clinical Medical Laboratory
- Santa Clara, CA
- NPI 1669287033
-
- Family Medicine Physician
- Orinda, CA
- NPI 1871538769
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Emeryville, CA
- NPI 1275076325
-
- General Acute Care Hospital
- Emeryville, CA
- NPI 1285177337
-
- General Acute Care Hospital
- Stanford, CA
- NPI 1437292927
-
- General Acute Care Hospital
- Pleasanton, CA
- NPI 1467990465
-
- General Acute Care Hospital
- Stanford, CA
- NPI 1871543215
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.