What is Harry Davis's NPI number?

Harry Davis's National Provider Identifier (NPI) is 1003056789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harry Davis's specialty?

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

Where is Harry Davis located?

Harry Davis's practice location on file with NPPES is 25 E Washington St Ste 1817, Chicago, IL 60602-1807.

What is Harry Davis's phone number?

The practice phone number listed in the NPPES registry for Harry Davis is (636) 397-6966.

Is Harry Davis's NPI active?

Yes — Harry Davis's NPI (1003056789) is active in the NPPES registry as of the last update on 2018-04-25.

IndividualActive

Harry Davis

NPI 1003056789 · Hearing Instrument Specialist · Chicago, IL

Harry Davis is a Hearing Instrument Specialist provider in Chicago, IL (NPI 1003056789).

Provider details

NPI number: 1003056789
Entity type: Individual
Primary specialty: Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
Sex: Male
Sole proprietor: No

Practice location

25 E Washington St Ste 1817

Chicago, IL 60602-1807

Phone: (636) 397-6966

Fax: (636) 397-6836

Street-level locationGet directions

More IL providers

Mailing address

2300 N Herritage St

Kinston, NC 28501-1651

Specialties & taxonomies

Hearing Instrument SpecialistPrimary237700000XLicense 1542 (NC)
Speech, Language and Hearing Service Providers
Hearing Instrument Specialist237700000X
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(80/100 index)

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

Registry tenure38% of score
17 yrs in NPPES registry
Profile completeness38% of score
83% 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: 2009-02-20
Last updated: 2018-04-25

Frequently asked questions

What is Harry Davis's NPI number?: Harry Davis's National Provider Identifier (NPI) is 1003056789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Harry Davis's specialty?: Harry Davis is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
Where is Harry Davis located?: Harry Davis's practice location on file with NPPES is 25 E Washington St Ste 1817, Chicago, IL 60602-1807.
What is Harry Davis's phone number?: The practice phone number listed in the NPPES registry for Harry Davis is (636) 397-6966.
Is Harry Davis's NPI active?: Yes — Harry Davis's NPI (1003056789) is active in the NPPES registry as of the last update on 2018-04-25.

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