NPPES file of Aug 9, 2026

Isaac A. Houtkooper, PT, DPT

Physical Therapist · Van Nuys, CA

Isaac A. Houtkooper, PT, DPT is a physical therapist with a practice address in Van Nuys, California, and NPI 1053168179, issued on May 6, 2024. Check the license (California 309429, 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
1053168179
Name
Isaac A. Houtkooper
Credential
PT, DPT
Primary taxonomy
Physical Therapist 225100000X
License numbers
309429 CA
LPT-034427 AZ
PT-2024-0326 NM
PT.PT.61681248 WA
Self-reported in NPPES; status is on the state search
Practice location
16320 Roscoe Blvd, Van Nuys, CA 91406
Phone
(818) 894-2273
Enumerated
May 6, 2024
Record last updated
Jul 2, 2026
Fax
(818) 357-2505
Medicare enrollment
Enrolled (PECOS I20250625002676); 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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8 nearest physical therapist records → All 22,531 in California → Look up another NPI →

Also registered at 16320 Roscoe Blvd

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

  1. Carmen AguilarSpeech-Language Pathologist1912482142
  2. Sherifat AjayiBehavior Technician1588506661
  3. Thatcher AlcroftBehavior Technician1265353361
  4. Aneesah AliBehavior Technician1891634945
  5. Karen AlvarezBehavior Technician1083535181
  6. Sarabjot AnandBehavior Technician1891616991

Verify Isaac A. Houtkooper 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 309429    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 2 group practices

  1. Bhsm Rehabilitation LLCGilbert, AZ
  2. Integrated Rehabilitation Group PCSammamish, WA

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

Isaac A. Houtkooper among 22,531 physical therapist records in California

Isaac A. Houtkooper, PT, DPT is one of 22,531 physical therapist records with a practice address in California. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 87% of them.

  • NPI issued2024 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 34% of these records are
  • Graduated2024 · median 2017 among the 7,751 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

57 physical therapist records list a practice address in Van Nuys

They are 57 of the 4,323 NPPES records with a practice address in Van Nuys, and 22,531 physical therapist records in California.

All 22,531 in California → Every provider in Van Nuys → Physical Therapist nationwide →

The 8 physical therapist records with the nearest ZIP codes

  1. Julien BuiVan Nuys, CA 914061720619620
  2. Jonathon Burt, DPTVan Nuys, CA 914061730678244
  3. Angela Cedillo, DPTVan Nuys, CA 914061922563576
  4. Steven Danchik, PTVan Nuys, CA 914061700809340
  5. Angela Sandra Fernando, P.T.Van Nuys, CA 914061386981066
  6. Wanda Flemming, PTVan Nuys, CA 914061891937041
  7. Richard Homokay, PTVan Nuys, CA 914061053327585
  8. Marc MorenoVan Nuys, CA 914061629750815

Common questions

What is Isaac A. Houtkooper, PT, DPT's NPI number?

Isaac A. Houtkooper, PT, DPT's National Provider Identifier (NPI) is 1053168179, issued on May 6, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Isaac A. Houtkooper, PT, DPT located?

The NPPES record lists a practice address at 16320 Roscoe Blvd, Van Nuys, CA, 91406. Phone: (818) 894-2273. Providers update this record themselves, so call before visiting.

How can I verify Isaac A. Houtkooper, PT, DPT's license?

NPPES lists California license number 309429, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.