NPIMap

Individual provider Active NPI

Gina Posner, MD

  • Pediatrics Physician
  • Fountain Valley, CA
National Provider Identifier
1841303260
Registry record updated Feb 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
A88663 Issued in CA
Practice address
16333 Harbor Blvd
Fountain Valley, CA 92708-1311
Phone
(714) 549-1300
Fax
(714) 433-3100
NPI assigned
Aug 17, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X A88663 CA Primary

Addresses

Primary practice location

16333 Harbor Blvd
Fountain Valley, CA 92708-1311

Mailing address

16333 Harbor Blvd
Fountain Valley, CA 92708-1311
Phone (714) 549-1300

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://memorialcare.org/fhir/api/FHIR/R4/ Health Information Exchange (HIE) MemorialCare Medical Foundation

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20061010000707 CA Practitioner - Pediatric Medicine 0941206288 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
87.17 of 100Reported as group
Quality
81.15
Promoting interoperability
100
Improvement activities
40
Cost
71.64

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
88663CAMDPharmacist
A88663CAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorialcare Medical Foundation Pediatrics CurrentSince Feb 8, 2015 Accepting new patients
Orange Coast Memorial Medical Center Past Accepting new patients
Long Beach Memorial Medical Past Accepting new patients
Children's Hospital at Mission Past Accepting new patients
Mission Hospital Regional Medical Center Past Accepting new patients
Saddleback Memorial Medical Center Past Accepting new patients
Long Beach Memorial Medical Past Accepting new patients
Bristol Park Medical Group, Inc Pediatrics Past Accepting new patients
Children's Hospital of Orange County Past Accepting new patients

Locations

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

16333 Harbor Blvd
Fountain Valley, CA 92708
Phone (714) 549-1300

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

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

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: gposner193176@direct.memorialcare.org

Organizations & group practices 9

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.

NPI Registry JSON

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

{
    "created_epoch": "1155772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770854400000",
    "number": "1841303260",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16333 HARBOR BLVD",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927081311",
            "telephone_number": "714-549-1300",
            "fax_number": "714-433-3100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16333 HARBOR BLVD",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927081311",
            "telephone_number": "714-549-1300",
            "fax_number": "714-433-3100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POSNER",
        "first_name": "GINA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-17",
        "last_updated": "2026-02-12",
        "certification_date": "2026-02-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A88663",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fountain Valley, CA

Sources for this page

Verify at the official NPI Registry.