Donald Williams
NPI 1811120207 · Hearing Instrument Specialist · Littleton, CO
Donald Williams is a Hearing Instrument Specialist provider in Littleton, CO (NPI 1811120207).
Provider details
- NPI number
- 1811120207
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 189 (CO)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-09-01
- Last updated
- 2011-01-20
Frequently asked questions
- What is Donald Williams's NPI number?
- Donald Williams's National Provider Identifier (NPI) is 1811120207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Williams's specialty?
- Donald Williams is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Donald Williams located?
- Donald Williams's practice location on file with NPPES is 311 E County Line Rd, Littleton, CO 80122-8102.
- What is Donald Williams's phone number?
- The practice phone number listed in the NPPES registry for Donald Williams is (303) 738-9999.
- Is Donald Williams's NPI active?
- Yes — Donald Williams's NPI (1811120207) is active in the NPPES registry as of the last update on 2011-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.