Theresa Demark
NPI 1720955347 · Addiction (Substance Use Disorder) Counselor · Cleveland, OH
Theresa Demark is a Addiction (Substance Use Disorder) Counselor provider in Cleveland, OH (NPI 1720955347).
Provider details
- NPI number
- 1720955347
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- CDCA.192959 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
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
- 2025-10-20
- Last updated
- 2025-10-20
- Certified
- 2025-10-20
Frequently asked questions
- What is Theresa Demark's NPI number?
- Theresa Demark's National Provider Identifier (NPI) is 1720955347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Demark's specialty?
- Theresa Demark is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Theresa Demark located?
- Theresa Demark's practice location on file with NPPES is 1227 Ansel Rd, Cleveland, OH 44108-3323.
- What is Theresa Demark's phone number?
- The practice phone number listed in the NPPES registry for Theresa Demark is (216) 421-0662.
- Is Theresa Demark's NPI active?
- Yes — Theresa Demark's NPI (1720955347) is active in the NPPES registry as of the last update on 2025-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.