NPPES file of Aug 9, 2026

Derrick John Gruen, PT, DPT

Physical Therapist · Hanford, CA

Derrick John Gruen, PT, DPT is a physical therapist with a practice address in Hanford, California, and NPI 1124892633, issued on Nov 14, 2023. Check the license (California PT20560, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1124892633
Name
Derrick John Gruen
Credential
PT, DPT
Primary taxonomy
Physical Therapist 225100000X
License number
PT20560 CA
Self-reported in NPPES; status is on the state search
Practice location
331 N 11TH Ave, Hanford, CA 93230
Phone
(559) 582-1027
Enumerated
Nov 14, 2023
Record last updated
Nov 14, 2023
Fax
(559) 582-8105
Medicare enrollment
Enrolled (PECOS I20231128002082); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 331 N 11TH Ave

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

  1. Joshua Genis, DPTPhysical Therapist1124663117
  2. Jeffrey Myers, P.T.A.Physical Therapy Assistant1316070816
  3. Davoud SaghaianPhysical Therapist1578288700
  4. Krista SmithPhysical Therapist1215888094
  5. Amie SorensenPediatric Physical Therapist1356718290

Verify Derrick John Gruen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PT20560
    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 California 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.

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Bills Medicare through one group practice

  1. Bacci And Glinn Physical Therapy Inc.Visalia, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Physical Therapist providers in California

There are 22,531 physical therapist records in California.

Other physical therapist records in California

  1. Jennifer Aanestad, PTPinole, CA1033786215
  2. Sarah Aaron, DPTManhattan Beach, CA1275270282
  3. Alexander Abad, M.P.T.San Francisco, CA1790848505
  4. Edgar Fernando Abad, P.T.Pasadena, CA1982784542
  5. Trisha Abad-GarciaCastro Valley, CA1316284664
  6. Joseph Abano, PT, DPTGlendale, CA1376298968
  7. Jennifer Abanto, RPTPasadena, CA1992476501
  8. Peter John Abanto, PTSan Diego, CA1760367460
  9. Leslie Abarca, DPTLos Angeles, CA1518890383
  10. Valeria Abarca, DPTMission Viejo, CA1164024683

Common questions

What is Derrick John Gruen, PT, DPT's NPI number?

Derrick John Gruen, PT, DPT's National Provider Identifier (NPI) is 1124892633, issued on Nov 14, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Derrick John Gruen, PT, DPT located?

The NPPES record lists a practice address at 331 N 11TH Ave, Hanford, CA, 93230. Phone: (559) 582-1027. Providers update this record themselves, so call before visiting.

How can I verify Derrick John Gruen, PT, DPT's license?

NPPES lists California license number PT20560, as entered by the provider. Search the California 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. Medicare files from data.cms.gov. 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.