Active NPI
Isaiah Daniel Clark
- Clinical Exercise Physiologist
- Riverside, CA
National Provider Identifier
1861092447
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Exercise Physiologist
- License
- 1066261
- Practice address
- 19510 Van Buren Blvd # F3-1045
Riverside, CA 92508-9457 - Phone
- (951) 215-6829
- Fax
- (951) 246-0734
- NPI assigned
- Oct 31, 2020
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Exercise Physiologist | 224Y00000X | 1066261 | CA | Primary |
Addresses
Primary practice location
19510 Van Buren Blvd # F3-1045
Riverside, CA 92508-9457
Mailing address
22376 N Mulligan Dr
Maricopa, AZ 85138-2353
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 872340 | Other | CA | AMERICAN COLLEGE OF SPORTS MEDICINE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1066261 | CA | MD | Clinical Exercise Physiologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1604102400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1748908800000",
"number": "1861092447",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "22376 N MULLIGAN DR",
"city": "MARICOPA",
"state": "AZ",
"postal_code": "851382353"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "19510 VAN BUREN BLVD # F3-1045",
"city": "RIVERSIDE",
"state": "CA",
"postal_code": "925089457",
"telephone_number": "951-215-6829",
"fax_number": "951-246-0734"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CLARK",
"first_name": "ISAIAH",
"middle_name": "DANIEL",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2020-10-31",
"last_updated": "2025-06-03",
"certification_date": "2025-06-03",
"status": "A"
},
"taxonomies": [
{
"code": "224Y00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Clinical Exercise Physiologist",
"state": "CA",
"license": "1066261",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AMERICAN COLLEGE OF SPORTS MEDICINE",
"identifier": "872340",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Riverside, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.