Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Clinical Social Worker

Margaret M. Preston, CSW

Sees patients in Flourtown, PA · Pennsylvania

Summary

Margaret M. Preston, CSW is a clinical social worker at 11 Rose Ln, Flourtown, PA 19031. Phone: (215) 805-1742. Accepts Medicare assignment. In 2024, Margaret M. Preston had 19 Original Medicare patients and 261 services. NPI 1720056427. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical social worker
  • Address: 11 Rose Ln, Flourtown, PA 19031 · Directions
  • Phone: (215) 805‑1742
  • Medicare: Accepts Medicare assignment
  • School: graduated 1995
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret M. Preston, 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 Margaret M. Preston accept Medicare assignment?
Yes. Medicare's clinician data says Margaret M. Preston 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 Margaret M. Preston see?
In 2024, CMS data shows 19 Original Medicare patients and 261 services for Margaret M. Preston. This counts Original Medicare only and measures volume, not quality.
What is Margaret M. Preston's NPI number?
1720056427. 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 Margaret M. Preston, 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 patients19
Services billed to Medicare261
Different services or procedures2
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Psychotherapy, 1 hour (90837)257 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 cholesterol75%
  • High blood pressure63%
  • Arthritis58%
  • Depression58%
  • Anxiety58%

Practice locations

Addresses where Margaret M. Preston is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Clinical Social Worker, Pennsylvania →

Other clinical social workers in Flourtown

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

All clinical social workers in Flourtown →

Clinician information

CredentialCSW
Graduation year1995
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1720056427
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