Karen Elizabeth Byrne-Essif, M.S., C.G.C.

Primary specialty

Genetic Counselor (M.S.)Taxonomy code 170300000X

Practice address

5301 E Grant Rd
Obstetrix Medical Group of Arizona
Tucson, AZ 85712-2805

Phone

(520) 795-8188

Fax

(520) 325-0809

NPI assigned

May 26, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

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

{
    "created_epoch": "1148601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1922054089",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7411 E SANTIDAD PL",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857506485",
            "telephone_number": "520-795-8188",
            "fax_number": "520-325-0809"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5301 E GRANT RD",
            "address_2": "OBSTETRIX MEDICAL GROUP OF ARIZONA",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857122805",
            "telephone_number": "520-795-8188",
            "fax_number": "520-325-0809"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BYRNE-ESSIF",
        "first_name": "KAREN",
        "middle_name": "ELIZABETH",
        "name_prefix": "Ms.",
        "credential": "M.S., C.G.C.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "170300000X",
            "taxonomy_group": "",
            "desc": "Genetic Counselor, MS",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David M Bynes, LCSW
• Kristen Lynn Byra, PHD, BCBA-D
• Abraham R Byrd III, MD
• April Byrd, FNP
• Seenaiah Byreddy, M.D
• William Terence Byrne-Quinn, DO
• Kellie Byrne, DPT
• Liza S Byrne, PA-C
• Brianna A Byrnes, RBT
• Lia Byrnes, L.M.

• Genetic Counselor (M.S.) in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Genetic Counselor (M.S.) in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.