Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Ryer

Behavior Analyst in Amherst, MA · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1053872499

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Registry record

Entity type Individual (Type 1)

Name Margaret Ryer

Sex Female

Practice address 401 Main St Ste 15, Amherst, MA, 01002

Phone (413) 461-7120

Enumeration date Mar 28, 2019

Last updated in NPPES Mar 28, 2019

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1053872499 active?

Yes — as of the latest NPPES snapshot, NPI 1053872499 is active (record last updated 2019-03-28).

How do I verify Margaret Ryer's NPI record?

Cross-check NPI 1053872499 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Kelly Gowan Behavior Analyst · Amherst, MA NPI 1629574629 Elisabeth Cassinari Behavior Technician · Amherst, MA NPI 1003376021 Pooja Dipanker Behavior Analyst · Amherst, MA NPI 1164983987 Denise Lavallee Behavior Analyst · Amherst, MA NPI 1861953655 Laura Scott Behavior Analyst · Amherst, MA NPI 1750842670 Garrett O'Brien Behavior Analyst · Amherst, MA NPI 1497216311 Scott Harris Behavior Analyst · Amherst, MA NPI 1336600113 Rose Cole Behavior Analyst · Amherst, MA NPI 1003377888

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-28.