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Physical Therapist in Private Practice

Sarah L. Seider, PT

Sees patients in Largo, MD · Maryland

Summary

Sarah L. Seider, PT is a physical therapist at 1221 Mercantile Ln, Largo, MD 20774. Phone: (301) 618-5700. Accepts Medicare assignment. In 2024, Sarah L. Seider had 13 Original Medicare patients and 79 services. NPI 1730512435. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physical therapist (Medicare lists Physical Therapist in Private Practice)
  • Address: 1221 Mercantile Ln, Largo, MD 20774 · Directions
  • Phone: (301) 618‑5700
  • Medicare: Accepts Medicare assignment
  • Group practice: Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
  • School: graduated 2013
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah L. Seider, 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 Sarah L. Seider accept Medicare assignment?
Yes. Medicare's clinician data says Sarah L. Seider 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 Sarah L. Seider see?
In 2024, CMS data shows 13 Original Medicare patients and 79 services for Sarah L. Seider. This counts Original Medicare only and measures volume, not quality.
What is Sarah L. Seider's NPI number?
1730512435. 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 Sarah L. Seider, 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 patients13
Services billed to Medicare79
Different services or procedures6
Participating Medicare providerYes
Average age of these patients73

Practice locations

Addresses where Sarah L. Seider is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarah L. Seider as a member of this group (CMS data updated October 2, 2026).

  • Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

Find other clinicians: Physical Therapist in Private Practice, Maryland →

Other physical therapists in Largo

Clinicians with the same Medicare primary specialty in Largo, MD — not a recommendation.

All physical therapists in Largo →

Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

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

Clinician information

CredentialPT
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730512435
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