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Internal Medicine

Jacqueline To, MD

Works at hospitals in Mountain View, CA · Burlingame, CA · Stanford, CA · California

Summary

Jacqueline To, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Mountain View, CA, Burlingame, CA and Stanford, CA. NPI 1215461645. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jacqueline To, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
9Years since medical school (graduated 2017)
FemaleGender (as listed)

Quick answers

Which hospitals does Jacqueline To work at?
Medicare's official clinician data lists Jacqueline To at 3 hospitals: El Camino Health, Peninsula Medical Center and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jacqueline To see patients?
Medicare's clinician data lists 2 practice locations, including Los Altos, CA and San Francisco, CA. Call before your visit to confirm the address.
What is Jacqueline To's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jacqueline To accept Medicare assignment?
Medicare's clinician data says Jacqueline To may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Jacqueline To offer telehealth?
Medicare's clinician data says Jacqueline To offers telehealth services. Ask the office which visits can be done by video or phone.
What is Jacqueline To's NPI number?
1215461645. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jacqueline To works

Medicare's Facility Affiliation Data lists Jacqueline To at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jacqueline To is enrolled with Medicare (CMS data updated 2026-10-02).

  • 325 Distel CirLos Altos, CA 94022
  • 505 Parnassus AveSan Francisco, CA 94143

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Altos

Clinicians with the same Medicare primary specialty in Los Altos, CA — not a recommendation.

All internal medicine doctors in Los Altos →

Clinician information

CredentialMD
Graduation year2017
Gender (as listed)Female
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215461645
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians