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Internal Medicine

Irina Lattanzi, MD

Works at hospitals in Woodland Hills, CA · California

Summary

Dr. Irina Lattanzi, MD is an internal medicine doctor at 5601 De Soto Ave, Woodland Hills, CA 91367. Phone: (818) 719-2000. Accepts Medicare assignment. NPI 1700945441. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 5601 De Soto Ave, Woodland Hills, CA 91367 · Directions
  • Phone: (818) 719‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Woodland Hills
  • Group practice: Southern California Permanente Medical Group
  • Medical school: University Of Southern California Keck School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Irina Lattanzi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Irina Lattanzi accept Medicare assignment?
Yes. Medicare's clinician data says Irina Lattanzi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Irina Lattanzi's NPI number?
1700945441. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Irina Lattanzi works

Medicare's Facility Affiliation Data lists Irina Lattanzi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Irina Lattanzi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Irina Lattanzi as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Woodland Hills

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

All internal medicine doctors in Woodland Hills →

Other clinicians in Southern California Permanente Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700945441
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians