Deanna Jo Williamson
NPI 1003823121 · Sleep Disorder Diagnostic Clinic/Center · Martinsville, VA
Deanna Jo Williamson is a Sleep Disorder Diagnostic Clinic/Center organization in Martinsville, VA (NPI 1003823121).
Provider details
- NPI number
- 1003823121
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Jeff Ragan, Vice President(336) 345-0678
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Other names (DBA / former)
- Doing business as
- Regional Health Services
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2007-10-23
Frequently asked questions
- What is Deanna Jo Williamson's NPI number?
- Deanna Jo Williamson's National Provider Identifier (NPI) is 1003823121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Deanna Jo Williamson?
- Deanna Jo Williamson is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is Deanna Jo Williamson located?
- Deanna Jo Williamson's practice location on file with NPPES is 101 Cleveland Ave, Martinsville, VA 24112-3700.
- What is Deanna Jo Williamson's phone number?
- The practice phone number listed in the NPPES registry for Deanna Jo Williamson is (276) 638-4800.
- Who is the authorized official for Deanna Jo Williamson?
- The authorized official listed on Deanna Jo Williamson's NPPES record is Jeff Ragan, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Deanna Jo Williamson's NPI active?
- Yes — Deanna Jo Williamson's NPI (1003823121) is active in the NPPES registry as of the last update on 2007-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.