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Internal Medicine

Sara Ptasnik, MD

Sees patients in Santa Monica, CA · California

Summary

Sara Ptasnik, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Santa Monica, CA. NPI 1649633207. 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 Sara Ptasnik, 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
10Years since medical school (graduated 2016)
University Of Southern California Keck School Of MedicineMedical school
FemaleGender (as listed)
The Regents of the University of CaliforniaGroup practice

Quick answers

Where does Sara Ptasnik see patients?
Medicare's clinician data lists 2 practice locations, including Santa Monica, CA. Call before your visit to confirm the address.
What is Sara Ptasnik's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist and Pediatric Medicine.
Does Sara Ptasnik accept Medicare assignment?
Yes. Medicare's clinician data says Sara Ptasnik 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 Sara Ptasnik?
(310) 458-2381, as listed in official Medicare / NPI Registry data.
What is Sara Ptasnik's NPI number?
1649633207. 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 Sara Ptasnik is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • 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 →

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649633207
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