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Clinical Social Worker

Mary Jane Grisnik, CSW

Sees patients in Philadelphia, PA · Pennsylvania

Summary

Mary Jane Grisnik, CSW is a clinical social worker at 2109 Red Lion Rd, Philadelphia, PA 19115. Phone: (718) 298-4375. Accepts Medicare assignment. In 2024, Mary Jane Grisnik had 17 Original Medicare patients and 272 services. NPI 1457466443. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical social worker
  • Address: 2109 Red Lion Rd, Philadelphia, PA 19115 · Directions
  • Phone: (718) 298‑4375
  • Medicare: Accepts Medicare assignment
  • Group practice: Supportive Care of Pennsylvania LLC
  • School: graduated 1987
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Jane Grisnik, 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 Jane Grisnik accept Medicare assignment?
Yes. Medicare's clinician data says Mary Jane Grisnik 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 Jane Grisnik see?
In 2024, CMS data shows 17 Original Medicare patients and 272 services for Mary Jane Grisnik. This counts Original Medicare only and measures volume, not quality.
What is Mary Jane Grisnik's NPI number?
1457466443. 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 Jane Grisnik, 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 patients17
Services billed to Medicare272
Different services or procedures4
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Psychotherapy, 30 minutes (90832)236 services
  2. Psychiatric diagnostic evaluation (90791)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Depression75%
  • Anxiety75%
  • Diabetes65%

Practice locations

Addresses where Mary Jane Grisnik is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Supportive Care of Pennsylvania LLC92 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Pennsylvania →

Other clinical social workers in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All clinical social workers in Philadelphia →

Other clinicians in Supportive Care of Pennsylvania LLC

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

Clinician information

CredentialCSW
Graduation year1987
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457466443
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