Active NPI
Jacqueline To, M.D.
- Internal Medicine Physician
- Menlo Park, CA
National Provider Identifier
1215461645
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A160368
- 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
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 |
|---|---|---|---|---|
| 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
- 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
| License | State | Type | Specialty |
|---|---|---|---|
| A160368 | CA | MD | Internal Medicine Physician |
Interoperability endpoints
- jto465271@hisp.ehr.sutterhealth.org
Hospital & facility affiliations 14
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Mountain View, CA
- NPI 1093712374
-
- General Acute Care Hospital
- Los Gatos, CA
- NPI 1417199340
-
- General Acute Care Hospital
- Los Gatos, CA
- NPI 1457594087
-
- 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
-
- General Acute Care Hospital
- Burlingame, CA
- NPI 1043670334
-
- General Acute Care Hospital
- Menlo Park, CA
- NPI 1295199701
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 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; Opt Out Affidavits.
- 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.