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Internal Medicine

Jason D. Napolitano, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Jason D. Napolitano, MD is an internal medicine doctor at 2020 Santa Monica Blvd, Suite 210, Santa Monica, CA 90404. Phone: (310) 458-2381. Accepts Medicare assignment. NPI 1629098397. 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: 2020 Santa Monica Blvd, Suite 210, Santa Monica, CA 90404 · Directions (2 more locations)
  • Phone: (310) 458‑2381
  • Medicare: Accepts Medicare assignment
  • Hospital: Ronald Reagan UCLA Medical Center
  • Group practice: The Regents of the University of California
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jason D. Napolitano, 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 Jason D. Napolitano accept Medicare assignment?
Yes. Medicare's clinician data says Jason D. Napolitano 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 Jason D. Napolitano's NPI number?
1629098397. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jason D. Napolitano works

Medicare's Facility Affiliation Data lists Jason D. Napolitano 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 Jason D. Napolitano is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jason D. Napolitano as a member of this group (CMS data updated October 2, 2026).

  • The Regents of the University of California1,462 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Santa Monica

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

All internal medicine doctors in Santa Monica →

Other clinicians in The Regents of the University of California

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629098397
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