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Internal Medicine

Jack J. Yacoo, MD

Works at hospitals in San Diego, CA · California

Summary

Jack J. Yacoo, MD (Internal Medicine) is listed by Medicare at 2 hospitals in San Diego, CA. NPI 1588915730. 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 Jack J. Yacoo, 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
15Years since medical school (graduated 2011)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
Emergency and Acute Care Medical CorporationGroup practice (+1 more)

Quick answers

Which hospitals does Jack J. Yacoo work at?
Medicare's official clinician data lists Jack J. Yacoo at 2 hospitals: Sharp Memorial Hospital and UC San Diego Health Hillcrest - Hillcrest Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jack J. Yacoo see patients?
Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
What is Jack J. Yacoo's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jack J. Yacoo accept Medicare assignment?
Yes. Medicare's clinician data says Jack J. Yacoo 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.
What is the phone number for Jack J. Yacoo?
(858) 939-3400, as listed in official Medicare / NPI Registry data.
What is Jack J. Yacoo's NPI number?
1588915730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jack J. Yacoo works

Medicare's Facility Affiliation Data lists Jack J. Yacoo 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 Jack J. Yacoo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jack J. Yacoo as a member of these groups (CMS data updated 2026-10-02).

  • Emergency and Acute Care Medical Corporation422 clinicians in the group
  • Focus on Health Inc64 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Diego

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

All internal medicine doctors in San Diego →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588915730
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