Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Jacqueline A. Jayan, MD

Works at hospitals in Castro Valley, CA · California

Summary

Jacqueline A. Jayan, MD (Internal Medicine) is listed by Medicare at 1 hospital in Castro Valley, CA. NPI 1780001792. Medicare data says the clinician accepts Medicare assignment. 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 A. Jayan, 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
YesAccepts Medicare assignment
YesOffers telehealth
12Years since medical school (graduated 2014)
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Which hospitals does Jacqueline A. Jayan work at?
Medicare's official clinician data lists Jacqueline A. Jayan at 1 hospital: Eden Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jacqueline A. Jayan see patients?
Medicare's clinician data lists 8 practice locations, including Milpitas, CA, Santa Clara, CA and Fremont, CA. Call before your visit to confirm the address.
What is Jacqueline A. Jayan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jacqueline A. Jayan accept Medicare assignment?
Yes. Medicare's clinician data says Jacqueline A. Jayan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Jacqueline A. Jayan offer telehealth?
Medicare's clinician data says Jacqueline A. Jayan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jacqueline A. Jayan?
(800) 478-8837, as listed in official Medicare / NPI Registry data.
What is Jacqueline A. Jayan's NPI number?
1780001792. 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 A. Jayan works

Medicare's Facility Affiliation Data lists Jacqueline A. Jayan 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 A. Jayan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jacqueline A. Jayan as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Milpitas

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

All internal medicine doctors in Milpitas →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780001792
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