Organization Active NPI

Fountain Valley Integrative Physical Medicine

  • Physical Medicine & Rehabilitation Physician
  • Fountain Valley, CA
National Provider Identifier
1942642533
Registry record updated Jan 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
A45146 Issued in CA
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, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 27, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Michael LowensteinNPI 1174630453
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)CodeLicenseStatePrimary
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

Enrollment IDStateProvider typePAC IDDetails
O20140303001036 CA Part B Supplier - Clinic/Group Practice 7517197049 Receives reassigned benefits from 2 practitioners
Practice locations: Fountain Valley, CA

National Provider Directory

National Provider Directory

Practitioners & 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.

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

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.

Verify at the official NPI Registry.