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

MACKENZIE ELIZABETH GILMARTIN
NPI 1700794898
Speech-Language Pathologist in Hicksville, NY

Q: What is Mackenzie Gilmartin's NPI number?

The NPI number for Mackenzie Gilmartin is 1700794898. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Q: What is Mackenzie Gilmartin's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Active since August 31, 2026

400 S OYSTER BAY RD, HICKSVILLE, NY 11801(631) 240-3579 Get Directions Write a Review

NPPES record added: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Mackenzie Elizabeth Gilmartin NPPES

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

MACKENZIE ELIZABETH GILMARTIN (NPI 1700794898) is an individual speech-language pathologist provider in Hicksville, New York and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1700794898

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameMACKENZIE ELIZABETH GILMARTIN

Location Address400 S OYSTER BAY RDHicksville, NY 11801-3500

Mailing Address624 Hawkins AveLake Ronkonkoma, NY 11779-2375

Phone(631) 240-3579

Sole ProprietorNo

Enumeration DateAugust 31, 2026

NPPES CertifiedAugust 30, 2026

✔ NPI 1700794898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers

Taxonomy Code235Z00000X

Definition

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

400 S OYSTER BAY RD, Hicksville, NY 11801

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Other Providers at the Same Location NPPES 20

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

AG CHILD AND ADULT PSYCHOLOGY, P.C.

Psychologist (Clinical)

400 S OYSTER BAY RD, STE 204
HICKSVILLE, NY 11801

Nassau County (516) 818-8383

BOBBI LYNN OCONNOR

Speech-Language Pathologist

400 S OYSTER BAY RD
HICKSVILLE, NY 11801

Nassau County (631) 240-3579

DR. ROSS HARTMAN DPM

Podiatrist (Foot Surgery)

400 S OYSTER BAY RD, SUITE 205
HICKSVILLE, NY 11801

Nassau County (516) 822-3338

CASSANDRA TAN MA

Speech-Language Pathologist

400 S OYSTER BAY RD
HICKSVILLE, NY 11801

Nassau County (631) 240-3579

GERARD J. CUSA M.D., PLLC

Internal Medicine (Gastroenterology)

400 S OYSTER BAY RD, SUITE 302
HICKSVILLE, NY 11801

Nassau County (516) 939-0164

DR. GAIL GOODMAN KADEN MD

Pediatrics

400 S OYSTER BAY RD, SUITE 207
HICKSVILLE, NY 11801

Nassau County (516) 822-1400

LYNN JOHNSON RNC, MS, OGNP

Nurse Practitioner (Obstetrics & Gynecology)

400 S OYSTER BAY RD, SUITE 106
HICKSVILLE, NY 11801

Nassau County (516) 937-3881

MRS. ESTELLE HELENE RAUCH LCSW

Counselor (Mental Health)

400 S OYSTER BAY RD, 208
HICKSVILLE, NY 11801

Nassau County (516) 473-8353

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 Mackenzie Gilmartin's NPI number?

The NPI number for Mackenzie Gilmartin is 1700794898. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Where is Mackenzie Gilmartin located?

Mackenzie Gilmartin practices at 400 S Oyster Bay Rd, Hicksville, NY 11801. The listed phone number is (631) 240-3579.

What is Mackenzie Gilmartin's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Mackenzie Gilmartin was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.