IndividualActive
Mark Williams
NPI 1801727961 · Interpreter · Greeley, CO
Mark Williams is a Interpreter provider in Greeley, CO (NPI 1801727961).
Provider details
- NPI number
- 1801727961
- Entity type
- Individual
- Primary specialty
- InterpreterOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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.
Practice location
5108 W 20th Street Rd Unit 1
Greeley, CO 80634-3670
Phone: (970) 980-4706
Street-level locationGet directions
Mailing address
3620 W 10th Street
Greeley, CO 80634-1821
Registry dates
- Enumerated
- 2026-05-27
- Last updated
- 2026-05-27
- Certified
- 2026-05-27
Frequently asked questions
- What is Mark Williams's NPI number?
- Mark Williams's National Provider Identifier (NPI) is 1801727961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Williams's specialty?
- Mark Williams is listed in the NPPES registry with a primary specialty of Interpreter (Other Service Providers).
- Where is Mark Williams located?
- Mark Williams's practice location on file with NPPES is 5108 W 20th Street Rd Unit 1, Greeley, CO 80634-3670.
- What is Mark Williams's phone number?
- The practice phone number listed in the NPPES registry for Mark Williams is (970) 980-4706.
- Is Mark Williams's NPI active?
- Yes — Mark Williams's NPI (1801727961) is active in the NPPES registry as of the last update on 2026-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.