Individual provider Active NPI

Mahsa Rezaei, MD

  • Family Medicine Physician
  • Fountain Valley, CA
National Provider Identifier
1457731747
Registry record updated Jan 31, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A146947 Issued in CA
Practice address
11420 Warner Ave
Fountain Valley, CA 92708-2529
Phone
(714) 549-1300
Fax
(714) 665-4606
NPI assigned
Jun 2, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 31, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A146947 CA Primary

Addresses

Primary practice location

11420 Warner Ave
Fountain Valley, CA 92708-2529

Mailing address

11420 Warner Ave
Fountain Valley, CA 92708-2529
Phone (714) 549-1300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20180822003818 CA Practitioner - Family Practice 4587948674 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Regents of the University ofGroup PAC ID 3779689518, 30 clinicians
Regents of the University of CaliforniaGroup PAC ID 5597663641, 61 clinicians

Practice addresses (Care Compare)

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-8068

Hospital & facility affiliations

  • Uci Health-Orange Hospital, Orange, CA, CCN 050348

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
146947CAMDClinical Psychologist
A146947CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorialcare Medical Foundation Family Medicine CurrentSince Jul 19, 2018 Accepting new patients
Regents of the University of California Family Medicine CurrentSince Aug 29, 2025 Accepting new patients
University of California Irvine Current Accepting new patients
UC Irvine Health Cancer Center, Newport Pacific Medical Center CurrentSince Aug 1, 2025 Accepting new patients
University of California Irvine CurrentSince Aug 1, 2025 Accepting new patients
Regents of the University of Family Medicine CurrentSince Aug 1, 2025 Accepting new patients
University of California Irvine Past Accepting new patients
Uci Medical Group Past Accepting new patients
Bristol Park Medical Group, Inc Family Medicine Past Accepting new patients
Uci Department of Urology Past Accepting new patients
University of California Irvine Past Accepting new patients

Locations

300 W Carl Karcher Way
Anaheim, CA 92801
Phone (657) 282-6356

722 Baker St
Costa Mesa, CA 92626
Phone (714) 557-6300

11420 Warner Ave
Fountain Vly, CA 92708
Phone (714) 549-1300

17360 Brookhurst St
Fountain Vly, CA 92708
Phone (657) 241-3592

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

293 S Main St
Ste 200
Orange, CA 92868
Phone (714) 838-8848

800 N Main St
Santa Ana, CA 92701
Phone (714) 456-6324

17251 17th St
Ste B
Tustin, CA 92780
Phone (657) 241-8580

1451 Irvine Blvd
Tustin, CA 92780
Phone (714) 838-8408

1451 Irvine Blvd
Ste 200
Tustin, CA 92780

Organizations & group practices 11

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1433203200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1548892800000",
    "number": "1457731747",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11420 WARNER AVE",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927082529",
            "telephone_number": "714-549-1300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11420 WARNER AVE",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927082529",
            "telephone_number": "714-549-1300",
            "fax_number": "714-665-4606"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REZAEI",
        "first_name": "MAHSA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-02",
        "last_updated": "2019-01-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A146947",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fountain Valley, CA

Sources for this page

Verify at the official NPI Registry.