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Physician Assistant

Mary Grace C. Justiniani, PA

Sees patients in Los Angeles, CA · Arleta, CA · California

Summary

Mary Grace C. Justiniani, PA is a physician assistant at 1704 Colorado Blvd, Los Angeles, CA 90041. Phone: (323) 256-4116. Accepts Medicare assignment. In 2024, Mary Grace C. Justiniani had 11 Original Medicare patients and 44 services. NPI 1619012689. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 1704 Colorado Blvd, Los Angeles, CA 90041 · Directions (1 more location)
  • Phone: (323) 256‑4116
  • Medicare: Accepts Medicare assignment
  • Group practice: Comprehensive Community Health Centers Inc
  • School: graduated 2003
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Grace C. Justiniani, 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 Mary Grace C. Justiniani accept Medicare assignment?
Yes. Medicare's clinician data says Mary Grace C. Justiniani 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.
How many Medicare patients does Mary Grace C. Justiniani see?
In 2024, CMS data shows 11 Original Medicare patients and 44 services for Mary Grace C. Justiniani. This counts Original Medicare only and measures volume, not quality.
What is Mary Grace C. Justiniani's NPI number?
1619012689. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mary Grace C. Justiniani, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients11
Services billed to Medicare44
Different services or procedures4
Participating Medicare providerYes
Average age of these patients70

Practice locations

Addresses where Mary Grace C. Justiniani is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary Grace C. Justiniani as a member of this group (CMS data updated October 2, 2026).

  • Comprehensive Community Health Centers Inc47 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Los Angeles

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

All physician assistants in Los Angeles →

Other clinicians in Comprehensive Community Health Centers Inc

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

Clinician information

CredentialPA
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619012689
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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