Active NPI
Fountain Valley Integrative Physical Medicine
- Physical Medicine & Rehabilitation Physician
- Fountain Valley, CA
National Provider Identifier
1942642533
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Medicine & Rehabilitation Physician
- License
- A45146
- Legal business name
- FOUNTAIN VALLEY INTEGRATIVE PHYSICAL MEDICINE
- Practice address
- 18042 Magnolia St
Fountain Valley, CA 92708-5603 - Phone
- (714) 962-1674
- NPI assigned
- Jul 23, 2013
- Last updated
- Jan 27, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Michael Lowenstein
- Title
- Owner/Provider
- Phone
- (714) 962-1674
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Medicine & Rehabilitation Physician | 208100000X | A45146 | CA | Primary |
Addresses
Primary practice location
18042 Magnolia St
Fountain Valley, CA 92708-5603
Mailing address
18042 Magnolia St
Fountain Valley, CA 92708-5603
Phone (714) 962-1674
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 6
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Pain Medicine (Anesthesiology) Physician
- Santa Ana, CA
- NPI 1174630453
-
- Physical Therapist
- Newport Beach, CA
- NPI 1114946126
-
- Chiropractor
- Fountain Valley, CA
- NPI 1144988007
-
- Rehabilitation Chiropractor
- Fountain Valley, CA
- NPI 1437645629
-
- Chiropractor
- Fountain Valley, CA
- NPI 1306936471
-
- Chiropractor
- Fountain Valley, CA
- NPI 1750470712
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1374537600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1769472000000",
"number": "1942642533",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "18042 MAGNOLIA ST",
"city": "FOUNTAIN VALLEY",
"state": "CA",
"postal_code": "927085603",
"telephone_number": "714-962-1674",
"fax_number": "714-964-9624"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "18042 MAGNOLIA ST",
"city": "FOUNTAIN VALLEY",
"state": "CA",
"postal_code": "927085603",
"telephone_number": "714-962-1674"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "FOUNTAIN VALLEY INTEGRATIVE PHYSICAL MEDICINE",
"organizational_subpart": "NO",
"enumeration_date": "2013-07-23",
"last_updated": "2026-01-27",
"certification_date": "2026-01-27",
"status": "A",
"authorized_official_last_name": "LOWENSTEIN",
"authorized_official_first_name": "MICHAEL",
"authorized_official_title_or_position": "OWNER/PROVIDER",
"authorized_official_telephone_number": "714-962-1674"
},
"taxonomies": [
{
"code": "208100000X",
"taxonomy_group": "",
"desc": "Physical Medicine & Rehabilitation",
"state": "CA",
"license": "A45146",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fountain Valley, CA
- Fountain Valley Central Pharmacy Inc (Fountain Valley Central Pharmacy)
- Fountain Valley Community Healthcare, LLC (Fountain Valley Post Acute)
- Fountain Valley Emergency Physicians, P.C.
- Fountain Valley Heallthcare Center
- Fountain Valley Hospitalist Medical Group
- Fountain Valley Office
- Fountain Valley Pediatrics, Inc.
- Fountain Valley Regional Dialysis Center LLC
- Fountain Valley Regional Hospital & Medical Center (Fountain Valley Regional Hospital)
- Fountain Valley Regional Hospital and Medical Center
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.