McKenzie Jaelynn Mercer, M.S. CCC-SLP

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

License

SLP15847 Issued in AZ

Practice address

3303 N. 44TH Street
Phoenix, AZ 85018

Phone

(480) 478-0444

Fax

(602) 854-7422

NPI assigned

Apr 26, 2024

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

State licenses

Practice roles

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.

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  NPD (past)
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• Kidspeak, LLC

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  NPD (past)

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

{
    "created_epoch": "1714089600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1992551246",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3303 N. 44TH STREET",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "85018",
            "telephone_number": "480-478-0444",
            "fax_number": "602-854-7422"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3303 N. 44TH STREET",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "85018",
            "telephone_number": "480-478-0444",
            "fax_number": "602-854-7422"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2820 E Broadway Rd",
            "address_purpose": "LOCATION",
            "city": "Mesa",
            "state": "AZ",
            "postal_code": "852041703",
            "country_code": "US",
            "telephone_number": "480-478-0444",
            "fax_number": "602-854-7422",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "13934 N 59th Ave Ste 160",
            "address_purpose": "LOCATION",
            "city": "Glendale",
            "state": "AZ",
            "postal_code": "853064168",
            "country_code": "US",
            "telephone_number": "480-478-0444",
            "fax_number": "602-854-7422",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3941 E Baseline Rd Ste 101",
            "address_purpose": "LOCATION",
            "city": "Gilbert",
            "state": "AZ",
            "postal_code": "852342750",
            "country_code": "US",
            "telephone_number": "480-787-5387",
            "fax_number": "480-320-3537",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4560 N 19th Ave",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850154133",
            "country_code": "US",
            "telephone_number": "480-478-0444",
            "fax_number": "602-854-7422",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4801 E McDowell Rd # 175",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850087725",
            "country_code": "US",
            "telephone_number": "480-478-0444",
            "fax_number": "602-854-7422",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "140 N Litchfield Rd Ste 104",
            "address_purpose": "LOCATION",
            "city": "Goodyear",
            "state": "AZ",
            "postal_code": "853381277",
            "country_code": "US",
            "telephone_number": "480-478-0444",
            "fax_number": "602-854-7422",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MERCER",
        "first_name": "MCKENZIE",
        "middle_name": "JAELYNN",
        "credential": "M.S. CCC-SLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-04-26",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "AZ",
            "license": "SLP15847",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "181500",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Maria Cecilia K Mercado, M.D.
• Wanda Merced, M.D.
• Alvin Elmo Mercer, NP
• Kelly E Mercer, NP
• Laura T Mercer, MD
• Renee Mercer, DO
• Robert M Mercer
• Tiffany Nichole Mercer, AG-ACNP, BC
• Kenneth Merchant, M.D.
• Zeena Merchant, D.O.

• All providers in Phoenix, AZ
• Speech-Language Pathologist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 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.