Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

EMILY SIERRA GREATHOUSE RDH
NPI 1861311342
Dental Hygienist in Ferndale, WA

Active since July 10, 2026
6060 PORTAL WAY, FERNDALE, WA 98248(360) 676-6177(360) 671-3574 Get Directions Write a Review

NPPES record added: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 14, 2026, Jul 10, 2026 (2 updates tracked since 2026).

About Emily Sierra Greathouse Rdh NPPES

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

EMILY SIERRA GREATHOUSE RDH (NPI 1861311342) is an individual dental hygienist in Ferndale, Washington, licensed in Washington (DEHY.DH.70146018) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1861311342
Entity TypeIndividualFemale
Primary Taxonomy124Q00000X
Provider Legal NameEMILY SIERRA GREATHOUSECredential: RDH
Location Address6060 PORTAL WAYFerndale, WA 98248-9360
Mailing Address740 N Park StLynden, WA 98264-8586 · (360) 483-8343
Fax(360) 671-3574
Sole ProprietorNo
Enumeration DateJuly 10, 2026
Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
NPI 1861311342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDental HygienistDental Providers
Taxonomy Code124Q00000X
License Licensed in WA · DEHY.DH.70146018
Definition
An individual who has completed an accredited dental hygiene education program, and an individual who has been licensed by a state board of dental examiners to provide preventive care services under the supervision of a dentist. Functions that may be legally delegated to the dental hygienist vary based on the needs of the dentist, the educational preparation of the dental hygienist and state dental practice acts and regulations, but always include, at a minimum, scaling and polishing the teeth. To avoid misleading the public, no occupational title other than dental hygienist should be used to describe this dental auxiliary.
6060 PORTAL WAY, Ferndale, WA 98248

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.

Pharmacist
6060 PORTAL WAY
FERNDALE, WA 98248
Dentist
6060 PORTAL WAY
FERNDALE, WA 98248
Dentist
6060 PORTAL WAY
FERNDALE, WA 98248
Dental Hygienist
6060 PORTAL WAY
FERNDALE, WA 98248
Physician Assistant
6060 PORTAL WAY
FERNDALE, WA 98248
Dental Hygienist
6060 PORTAL WAY
FERNDALE, WA 98248
Clinic/Center (Federally Qualified Health Center (FQHC))
6060 PORTAL WAY
FERNDALE, WA 98248
Counselor (Mental Health)
6060 PORTAL WAY
FERNDALE, WA 98248

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 Emily Greathouse's NPI number?

The NPI number for Emily Greathouse is 1861311342. It was assigned to this individual provider in the NPPES registry on July 10, 2026.

Where is Emily Greathouse located?

Emily Greathouse practices at 6060 Portal Way, Ferndale, WA 98248. The listed phone number is (360) 676-6177.

What is Emily Greathouse's specialty?

The primary specialty registered for this NPI is Dental Hygienist with taxonomy code 124Q00000X.

When was this NPI record last updated?

The NPPES record for Emily Greathouse was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.