What is Donald Zietz's NPI number?

Donald Zietz's National Provider Identifier (NPI) is 1093089591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Donald Zietz's specialty?

Donald Zietz is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).

Where is Donald Zietz located?

Donald Zietz's practice location on file with NPPES is 1810 E College Way, Mount Vernon, WA 98273-2362.

What is Donald Zietz's phone number?

The practice phone number listed in the NPPES registry for Donald Zietz is (360) 336-5881.

Is Donald Zietz's NPI active?

Yes — Donald Zietz's NPI (1093089591) is active in the NPPES registry as of the last update on 2014-08-12.

IndividualActive

Donald Zietz, AAS-HIS

NPI 1093089591 · Hearing Instrument Specialist · Mount Vernon, WA

Donald Zietz, AAS-HIS is a Hearing Instrument Specialist provider in Mount Vernon, WA (NPI 1093089591).

Provider details

NPI number: 1093089591
Entity type: Individual
Primary specialty: Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
Credential: AAS-HIS
Sex: Male
Sole proprietor: No
License: HA00004650 (WA)

Practice location

1810 E College Way

Suite 110

Mount Vernon, WA 98273-2362

Phone: (360) 336-5881

Fax: (360) 336-2323

Street-level locationGet directions

More WA providers

Mailing address

22525 Se 64th Pl

Issaquah, WA 98027-5383

Specialties & taxonomies

Hearing Instrument SpecialistPrimary237700000XLicense HA00004650 (WA)
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(81/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
14 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2012-03-01
Last updated: 2014-08-12

Frequently asked questions

What is Donald Zietz's NPI number?: Donald Zietz's National Provider Identifier (NPI) is 1093089591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Donald Zietz's specialty?: Donald Zietz is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
Where is Donald Zietz located?: Donald Zietz's practice location on file with NPPES is 1810 E College Way, Mount Vernon, WA 98273-2362.
What is Donald Zietz's phone number?: The practice phone number listed in the NPPES registry for Donald Zietz is (360) 336-5881.
Is Donald Zietz's NPI active?: Yes — Donald Zietz's NPI (1093089591) is active in the NPPES registry as of the last update on 2014-08-12.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions