Individual provider Active NPI

Jana Zawadzki Longtine, MD

  • Internal Medicine Physician
  • Long Beach, CA
National Provider Identifier
1346654365
Registry record updated Jan 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A139088 Issued in CA
Practice address
2699 Atlantic Ave
Long Beach, CA 90806-2710
Phone
(562) 426-3333
Fax
(562) 424-0837
NPI assigned
Jun 18, 2014
Last updated
Jan 17, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A139088 CA Primary

Addresses

Primary practice location

2699 Atlantic Ave
Long Beach, CA 90806-2710

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203

Other practice location 1

7071 Warner ave suite F#440
huntington beach, CA 92647
Phone (866) 868-4899

Other practice location 2

1050 Linden Ave
Long Beach, CA 90813-3321
Phone (866) 868-4899

Other practice location 3

1050 Linden Ave
Long Beach, CA 90813-3321
Phone (866) 868-4899

Other practice location 4

2801 Atlantic Ave
Long Beach, CA 90806-1701
Phone (866) 868-4899

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
I20170510000522 CA Practitioner - Internal Medicine 1557648086 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2699 Atlantic Ave
Long Beach, CA 90806-2710
Phone (562) 426-3333

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A139088CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hospitalist Care, a Medical Corporation CurrentSince Mar 18, 2017 Accepting new patients
Healthcare Partners Affiliates Medical Group Internal Medicine CurrentSince Apr 2, 2018 Accepting new patients
Healthcare Partners Affiliates Medical Group CurrentSince Apr 2, 2018 Accepting new patients
Memorial Medical Group Inc Past Accepting new patients

Locations

1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000

5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864

2910 Jefferson St
Ste 100
Carlsbad, CA 92008
Phone (760) 729-8600

824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706

1050 Linden Ave
Long Beach, CA 90813
Phone (562) 491-9000

2699 Atlantic Ave
Long Beach, CA 90806
Phone (562) 426-2105

2801 Atlantic Ave
Long Beach, CA 90806
Phone (310) 933-2000

1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1403049600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768608000000",
    "number": "1346654365",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2699 ATLANTIC AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908062710",
            "telephone_number": "562-426-3333",
            "fax_number": "562-424-0837"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7071 Warner ave suite F#440",
            "address_purpose": "LOCATION",
            "city": "huntington beach",
            "state": "CA",
            "postal_code": "92647",
            "country_code": "US",
            "telephone_number": "866-868-4899",
            "fax_number": "888-345-2214",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1050 Linden Ave",
            "address_purpose": "LOCATION",
            "city": "Long Beach",
            "state": "CA",
            "postal_code": "908133321",
            "country_code": "US",
            "telephone_number": "866-868-4899",
            "fax_number": "888-345-2214",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1050 Linden Ave",
            "address_purpose": "LOCATION",
            "city": "Long Beach",
            "state": "CA",
            "postal_code": "908133321",
            "country_code": "US",
            "telephone_number": "866-868-4899",
            "fax_number": "888-345-2214",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2801 Atlantic Ave",
            "address_purpose": "LOCATION",
            "city": "Long Beach",
            "state": "CA",
            "postal_code": "908061701",
            "country_code": "US",
            "telephone_number": "866-868-4899",
            "fax_number": "888-345-2214",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZAWADZKI LONGTINE",
        "first_name": "JANA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-06-18",
        "last_updated": "2026-01-17",
        "certification_date": "2026-01-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A139088",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Long Beach, CA

Sources for this page

Verify at the official NPI Registry.