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Internal Medicine

Lev Rasin, MD

Sees patients in Rancho Cucamonga, CA · Fontana, CA · California

Summary

Lev Rasin, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Rancho Cucamonga, CA and Fontana, CA. NPI 1588731475. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lev Rasin, 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
47Years since medical school (graduated 1979)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Lev Rasin see patients?
Medicare's clinician data lists 2 practice locations, including Rancho Cucamonga, CA and Fontana, CA. Call before your visit to confirm the address.
What is Lev Rasin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Lev Rasin accept Medicare assignment?
Yes. Medicare's clinician data says Lev Rasin 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 Lev Rasin?
(888) 750-0036, as listed in official Medicare / NPI Registry data.
What is Lev Rasin's NPI number?
1588731475. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Lev Rasin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lev Rasin as a member of this group (CMS data updated 2026-10-02).

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

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Rancho Cucamonga

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

All internal medicine doctors in Rancho Cucamonga →

Clinician information

CredentialMD
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588731475
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians