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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

KATELYN EMILY MACKAY
NPI 1124937487
Social Worker in St Augustine, FL

Active since September 03, 2026
495 PROSPERITY LAKE DR STE 101, ST AUGUSTINE, FL 32092(904) 370-3420 Get Directions Write a Review

NPPES record added: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Katelyn Emily Mackay NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATELYN EMILY MACKAY (NPI 1124937487) is an individual social worker in St Augustine, Florida and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1124937487
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameKATELYN EMILY MACKAY
Location Address495 PROSPERITY LAKE DR STE 101St Augustine, FL 32092-5045
Mailing Address2211 Flourescent WaySouth Daytona, FL 32119-2554 · (917) 391-8857
Phone(904) 370-3420
Sole ProprietorNo
Enumeration DateSeptember 3, 2026
NPPES CertifiedSeptember 3, 2026
✔ NPI 1124937487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
495 PROSPERITY LAKE DR STE 101, St Augustine, FL 32092
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Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KAYLA LYN HOWARD MS, LMHC
Counselor (Mental Health)
495 PROSPERITY LAKE DR STE 101
ST AUGUSTINE, FL 32092
St. Johns County (904) 864-6186
IMANI ZENA KENT
Counselor (Mental Health)
495 PROSPERITY LAKE DR STE 101
SAINT AUGUSTINE, FL 32092
St. Johns County (904) 370-3420
OLIVIA LEIGH AGNEW
Counselor (Mental Health)
495 PROSPERITY LAKE DR STE 101
SAINT AUGUSTINE, FL 32092
St. Johns County (904) 370-3420
MRS. LAUREN ELIZABETH WOOD LMHC, BCABA
Counselor (Mental Health)
495 PROSPERITY LAKE DR STE 101
SAINT AUGUSTINE, FL 32092
St. Johns County (904) 370-3420
FOUNDATIONS PEDIATRICS ASSESSMENT AND TREATMENT CENTER
Community/Behavioral Health
495 PROSPERITY LAKE DR STE 101
SAINT AUGUSTINE, FL 32092
St. Johns County (954) 895-3006

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katelyn Mackay's NPI number?

The NPI number for Katelyn Mackay is 1124937487. It was assigned to this individual provider in the NPPES registry on September 3, 2026.

Where is Katelyn Mackay located?

Katelyn Mackay practices at 495 Prosperity Lake Dr Ste 101, St Augustine, FL 32092. The listed phone number is (904) 370-3420.

What is Katelyn Mackay's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Katelyn Mackay was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.