Registry data as of Aug 27, 2026

Madelyn Duff

Behavior Technician · Doylestown, PA

Madelyn Duff is a behavior technician with a practice address in Doylestown, Pennsylvania, and NPI 1700623956, issued on Jul 12, 2024. Check the license with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1700623956
Name
Madelyn Duff
Primary taxonomy
Behavior Technician 106S00000X
Practice location
196 W Ashland St, Doylestown, PA 18901
Phone
(215) 280-2484
Enumerated
Jul 12, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 196 W Ashland St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Arevalo, PSY.D.Clinical Psychologist1518423839
  2. Jessica ChaffierAssistant Behavior Analyst1205648961
  3. Justin DamskerAssistant Behavior Analyst1720915713
  4. Kathryn DiiennoBehavior Analyst1437009396
  5. Veronica EvansCounselor1457089195
  6. Kaylie FisherAssistant Behavior Analyst1487577706

Verify Madelyn Duff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

74 behavior technician records list a Doylestown practice address

They are 74 of the 1,500 NPPES records with a Doylestown practice address, and 4,620 behavior technician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 74 in Doylestown → All 4,620 in Pennsylvania → Every provider in Doylestown →

Other behavior technician records in Pennsylvania

  1. Ashia AaronPittsburgh, PA1881437408
  2. Cydnee AaronIrwin, PA1578323093
  3. Amanda AbaloSugarloaf, PA1235905183
  4. Angela AbbatielloBloomsburg, PA1013769231
  5. Sabreen AbdallahPittsburgh, PA1831932359
  6. Saiydah Abdallah, RBTHarrisburg, PA1760378707
  7. Huwida Abdelrahim, RBTKing Of Prussia, PA1174168447
  8. Tahira Abdul-HadiHavertown, PA1154098838
  9. Ahmad Abdullah-TuckerPittsburgh, PA1336982859
  10. Ashley AbelDover, PA1861154411

Common questions

What is Madelyn Duff's NPI number?

Madelyn Duff's National Provider Identifier (NPI) is 1700623956, issued on Jul 12, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Madelyn Duff located?

The NPPES record lists a practice address at 196 W Ashland St, Doylestown, PA, 18901. Phone: (215) 280-2484. Providers update this record themselves, so call before visiting.

How can I verify Madelyn Duff's license?

Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.