Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEIDI MARRONE
NPI 1144768060
Speech-Language Pathologist in Seattle, WA

Active since February 11, 2017
450 ALASKAN WAY S STE 200, SEATTLE, WA 98104(425) 484-1426 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 12, 2026, Feb 11, 2017 (2 updates tracked since 2017).

About Heidi Marrone NPPES

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

HEIDI MARRONE (NPI 1144768060) is an individual speech-language pathologist provider in Seattle, Washington and active in the NPI registry since February 2017.

NPPES Registry Identity

NPI1144768060
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameHEIDI MARRONE
Location Address450 ALASKAN WAY S STE 200Seattle, WA 98104-2785
Mailing Address2318 19th Ave SSeattle, WA 98144-5144 · (206) 947-7860
Sole ProprietorYes
Enumeration DateFebruary 11, 2017
Last NPPES UpdateOctober 12, 20262 updates tracked since enumeration
NPPES CertifiedOctober 12, 2026
✔ NPI 1144768060 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.
450 ALASKAN WAY S STE 200, Seattle, WA 98104

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.

Counselor (Mental Health)
450 ALASKAN WAY S STE 200
SEATTLE, WA 98104
Nurse Practitioner (Family)
450 ALASKAN WAY S STE 200, #9452
SEATTLE, WA 98104
Nurse Practitioner (Family)
450 ALASKAN WAY S STE 200
SEATTLE, WA 98104
Nurse Practitioner
450 ALASKAN WAY S STE 200
SEATTLE, WA 98104
Counselor (Mental Health)
450 ALASKAN WAY S STE 200
SEATTLE, WA 98104
Nurse Practitioner (Psychiatric/Mental Health)
450 ALASKAN WAY S STE 200
SEATTLE, WA 98104
Nurse Practitioner (Family)
450 ALASKAN WAY S STE 200, # 9452
SEATTLE, WA 98104
Counselor (Mental Health)
450 ALASKAN WAY S STE 200
SEATTLE, WA 98104

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 Heidi Marrone's NPI number?

The NPI number for Heidi Marrone is 1144768060. It was assigned to this individual provider in the NPPES registry on February 11, 2017.

Where is Heidi Marrone located?

Heidi Marrone practices at 450 Alaskan Way S Ste 200, Seattle, WA 98104. The listed phone number is (425) 484-1426.

What is Heidi Marrone'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 Heidi Marrone was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.