NPPES file of Aug 9, 2026

William Jantzen, PT

Physical Therapist · Wading River, NY

William Jantzen, PT is a physical therapist with a practice address in Wading River, New York, and NPI 1023098217, issued on Jan 23, 2006. Check the license (New York 009864-1, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023098217
Name
William Jantzen
Credential
PT
Primary taxonomy
Physical Therapist 225100000X
License number
009864-1 NY
Self-reported in NPPES; status is on the state search
Practice location
5958 Route 25A, Wading River, NY 11792
Phone
(631) 929-8200
Enumerated
Jan 23, 2006
Record last updated
May 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(631) 929-8228
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 5958 Route 25A

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

  1. Daniel Bauman, P.T.Physical Therapist1063825966
  2. John Blatny, DPTPhysical Therapist1477011070
  3. Timothy Murray, P.T.Physical Therapist1588755573

Verify William Jantzen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 009864-1
    Check 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 New York license search

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12 physical therapist records list a practice address in Wading River

They are 12 of the 193 NPPES records with a practice address in Wading River, and 21,756 physical therapist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other physical therapist records in New York

  1. Cheryl Aaron, PT, DPT, CWSElma, NY1184933376
  2. David AaronsonLevittown, NY1891665881
  3. Ramon AbadGlendale, NY1194219303
  4. Sheila Marie Abadia-Dona, PTElmhurst, NY1013282078
  5. Maria Geslani Abadilla, P.T.Hicksville, NY1669608196
  6. Alicia Abalo, PTNew York, NY1316211329
  7. Maria Theresa Abalos, PHYSICAL THERAPISTBrooklyn, NY1114022514
  8. Mariecris Abamonga, PTBronx, NY1083646582
  9. Jose Aban, PTMiddletown, NY1487925483
  10. Rebecca AbanganBrooklyn, NY1013662691

Common questions

What is William Jantzen, PT's NPI number?

William Jantzen, PT's National Provider Identifier (NPI) is 1023098217, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Jantzen, PT located?

The NPPES record lists a practice address at 5958 Route 25A, Wading River, NY, 11792. Phone: (631) 929-8200. Providers update this record themselves, so call before visiting.

How can I verify William Jantzen, PT's license?

NPPES lists New York license number 009864-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.