Active NPI
Isaac A Houtkooper, PT, DPT
- Physical Therapist
- Van Nuys, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- 309429
- Practice address
- 16320 Roscoe Blvd
Van Nuys, CA 91406-1250 - Phone
- (818) 894-2273
- Fax
- (818) 357-2505
- NPI assigned
- May 6, 2024
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Therapist | 225100000X | LPT-034427 | AZ | |
| Physical Therapist | 225100000X | 309429 | CA | Primary |
| Physical Therapist | 225100000X | PT.PT.61681248 | WA | |
| Physical Therapist | 225100000X | PT-2024-0326 | NM |
Addresses
Primary practice location
16320 Roscoe Blvd
Van Nuys, CA 91406-1250
Mailing address
5181 Walnut RDG
Battle Creek, MI 49017-9210
Phone (269) 215-9717
Other practice location 1
1828 E Florence Blvd
Casa Grande, AZ 85122-4783
Phone (520) 510-0360
Other practice location 2
30 Catoctin Cir SE
Leesburg, VA 20175-3044
Phone (571) 918-0197
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, NM, WA, AZ
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Physical Therapist in Private Practice
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
16320 Roscoe Blvd
Suite 200
Van Nuys, CA 91406-1250
Phone (877) 757-8353
22620 SE 4TH St
Suite 240
Sammamish, WA 98074-7375
Phone (425) 200-0054
2940 E Banner Gateway Dr
Suite 425
Gilbert, AZ 85234-2177
Phone (480) 813-7900
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| LPT-034427 | AZ | MD | Physical Therapist |
| PT-2024-0326 | NM | MD | Physical Therapist |
| PT61681248 | WA | MD | Physical Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| All Care Physical Therapy, P.C. | Physical Therapist | Current | Accepting new patients |
| BHSM Rehabilitation, LLC | Current | Accepting new patients | |
| Integrated Rehabilitation Group, PC | Physical Therapist | Current | Accepting new patients |
| BHSM Rehabilitation, LLC | Current | Accepting new patients | |
| Integrated Rehabilitation Group, PC | Physical Therapist | Current | Accepting new patients |
| Paradigm Physical Therapy and Wellness Inc | Physical Therapist | Current | Accepting new patients |
| Integrated Rehabilitation Group, PC | Physical Therapist | Current | Accepting new patients |
| Paradigm Physical Therapy and Wellness Inc | Physical Therapist | Past | Accepting new patients |
Locations
3507 S Mercy Rd
Ste A
Gilbert, AZ 85297
Phone (480) 926-0404
2940 E Banner Gateway Dr
Ste 425
Gilbert, AZ 85234
Phone (480) 543-2000
2120 Airway Ave
Kingman, AZ 86409
Phone (928) 757-1211
4300 Long Beach Blvd
Ste 700
Long Beach, CA 90807
16320 Roscoe Blvd
Ste 200
Van Nuys, CA 91406
1220 Camino del Llano
Belen, NM 87002
Phone (505) 861-1200
535 Highway 314 SW
Los Lunas, NM 87031
Phone (505) 861-1200
10207 19th Ave SE
Everett, WA 98208
Phone (425) 337-3166
403 W Stanley St
Granite Falls, WA 98252
Phone (360) 691-4835
4220 132nd St SE
Ste 101
Mill Creek, WA 98012
Phone (425) 316-8046
22620 SE 4th St
Ste 240
Sammamish, WA 98074
Phone (425) 200-0054
201 W North River Dr
Ste 510
Spokane, WA 99201
Phone (509) 323-0066
Organizations & group practices 10
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Physical Therapy Clinic/Center
- Mill Creek, WA
- NPI 1154369833
Physical Therapist
-
- Physical Therapy Clinic/Center
- Buckeye, AZ
- NPI 1467129684
-
- Physical Therapist
- Los Lunas, NM
- NPI 1386651412
-
- Physical Therapist
- Woodland Hills, CA
- NPI 1104120385
-
- Physical Therapist
- Centreville, VA
- NPI 1639594831
-
- Physical Therapy Clinic/Center
- Bullhead City, AZ
- NPI 1093681033
-
- Physical Therapy Clinic/Center
- Scottsdale, AZ
- NPI 1306353503
-
- Physical Therapy Clinic/Center
- Marysville, WA
- NPI 1215201801
Physical Therapist
-
- Physical Therapy Clinic/Center
- Ellensburg, WA
- NPI 1417648569
Physical Therapist
-
- Physical Therapist
- Belen, NM
- NPI 1356491146
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1714953600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782950400000",
"number": "1053168179",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5181 WALNUT RDG",
"city": "BATTLE CREEK",
"state": "MI",
"postal_code": "490179210",
"telephone_number": "269-215-9717"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16320 ROSCOE BLVD",
"city": "VAN NUYS",
"state": "CA",
"postal_code": "914061250",
"telephone_number": "818-894-2273",
"fax_number": "818-357-2505"
}
],
"practiceLocations": [
{
"address_1": "1828 E Florence Blvd",
"address_purpose": "LOCATION",
"city": "Casa Grande",
"state": "AZ",
"postal_code": "851224783",
"country_code": "US",
"telephone_number": "520-510-0360",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "30 Catoctin Cir SE",
"address_purpose": "LOCATION",
"city": "Leesburg",
"state": "VA",
"postal_code": "201753044",
"country_code": "US",
"telephone_number": "571-918-0197",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HOUTKOOPER",
"first_name": "ISAAC",
"middle_name": "A",
"credential": "PT, DPT",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-05-06",
"last_updated": "2026-07-02",
"certification_date": "2026-07-02",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "AZ",
"license": "LPT-034427",
"primary": false
},
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "CA",
"license": "309429",
"primary": true
},
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "WA",
"license": "PT.PT.61681248",
"primary": false
},
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "NM",
"license": "PT-2024-0326",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Van Nuys, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.