Registry data as of Aug 27, 2026

Jennifer Diefenderfer, PTA

Physical Therapy Assistant · Centreville, MD

Jennifer Diefenderfer, PTA is a physical therapy assistant with a practice address in Centreville, Maryland, and NPI 1639476435, issued on Feb 15, 2011. Check the license with the Maryland 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
1639476435
Name
Jennifer Diefenderfer
Credential
PTA
Primary taxonomy
Physical Therapy Assistant 225200000X
Practice location
205 Armstrong St, Centreville, MD 21617
Phone
(410) 758-2323
Enumerated
Feb 15, 2011
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.
Download card Updates feed

Also registered at 205 Armstrong St

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

  1. Aretha Ayers, COTAOccupational Therapy Assistant1144347147
  2. Michele Davis, COTA/LOccupational Therapy Assistant1811364623
  3. Lisa Ford, OTROccupational Therapist1366732315
  4. Gene GilesPhysical Therapist1255727053
  5. Kathryn Gowl, PTPhysical Therapist1609993617
  6. Megan KerleyPhysical Therapy Assistant1790447837

Verify Jennifer Diefenderfer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland 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 Maryland 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.

5 physical therapy assistant records list a Centreville practice address

They are 5 of the 156 NPPES records with a Centreville practice address, and 1,283 physical therapy assistant records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other physical therapy assistant records in Maryland

  1. Ihsan Abdul Jabbar, PTALutherville, MD1154741437
  2. Kristy Abell, PTAAbingdon, MD1760337067
  3. Kristin Adams, PTAEaston, MD1366713448
  4. Tony AdamsWestminster, MD1326163213
  5. Keila Addlesberger, PTASalisbury, MD1326335605
  6. Jessica Adkisson, PTASalisbury, MD1063667269
  7. Jess AgaParkville, MD1336627306
  8. Yasir Ahmed, PTASilver Spring, MD1437437670
  9. Jennifer Alexander, PTABowie, MD1912242991
  10. Mary Alexander, PTABaltimore, MD1245451517

Common questions

What is Jennifer Diefenderfer, PTA's NPI number?

Jennifer Diefenderfer, PTA's National Provider Identifier (NPI) is 1639476435, issued on Feb 15, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Diefenderfer, PTA located?

The NPPES record lists a practice address at 205 Armstrong St, Centreville, MD, 21617. Phone: (410) 758-2323. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Diefenderfer, PTA's license?

Search the Maryland 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.

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.