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Hospitalist

Igor Sister, MD

Works at hospitals in Escondido, CA · Poway, CA · San Diego, CA · California

Summary

Igor Sister, MD (Hospitalist) is listed by Medicare at 3 hospitals in Escondido, CA, Poway, CA and San Diego, CA. NPI 1518149467. 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 Igor Sister, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
MaleGender (as listed)
Palomar Hospitalist Medical Group IncGroup practice (+1 more)

Quick answers

Which hospitals does Igor Sister work at?
Medicare's official clinician data lists Igor Sister at 3 hospitals: Palomar Health Downtown Campus, Palomar Medical Center Poway 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 Igor Sister see patients?
Medicare's clinician data lists 2 practice locations, including Escondido, CA and San Diego, CA. Call before your visit to confirm the address.
What is Igor Sister's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Igor Sister accept Medicare assignment?
Yes. Medicare's clinician data says Igor Sister 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 Igor Sister?
(310) 379-2134, as listed in official Medicare / NPI Registry data.
What is Igor Sister's NPI number?
1518149467. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Igor Sister works

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

Group practices

Medicare enrollment lists Igor Sister as a member of these groups (CMS data updated 2026-10-02).

  • Palomar Hospitalist Medical Group Inc53 clinicians in the group
  • East Campus Hospitalist Medical Group Inc28 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Escondido

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

All hospitalists in Escondido →

Clinician information

CredentialMD
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518149467
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