IndividualActive
Ellen Underdal
NPI 1912842782 · Behavior Technician · Winston Salem, NC
Ellen Underdal is a Behavior Technician provider in Winston Salem, NC (NPI 1912842782).
Provider details
- NPI number
- 1912842782
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social 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
280 Charlois Blvd
Winston Salem, NC 27103-1588
Phone: (704) 799-6824
Street-level locationGet directions
Mailing address
1127 Big Wood Trl
Yadkinville, NC 27055-8661
Registry dates
- Enumerated
- 2026-04-20
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Ellen Underdal's NPI number?
- Ellen Underdal's National Provider Identifier (NPI) is 1912842782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Underdal's specialty?
- Ellen Underdal is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Ellen Underdal located?
- Ellen Underdal's practice location on file with NPPES is 280 Charlois Blvd, Winston Salem, NC 27103-1588.
- What is Ellen Underdal's phone number?
- The practice phone number listed in the NPPES registry for Ellen Underdal is (704) 799-6824.
- Is Ellen Underdal's NPI active?
- Yes — Ellen Underdal's NPI (1912842782) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.