Jill Thewlis, MA,PCC,LCDCIII
NPI 1649259136 · Addiction (Substance Use Disorder) Counselor · Massillon, OH
Jill Thewlis, MA,PCC,LCDCIII is a Addiction (Substance Use Disorder) Counselor provider in Massillon, OH (NPI 1649259136).
Provider details
- NPI number
- 1649259136
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MA,PCC,LCDCIII
- Sex
- Female
- License
- 051017 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 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
- 2006-01-12
- Last updated
- 2025-09-11
Frequently asked questions
- What is Jill Thewlis's NPI number?
- Jill Thewlis's National Provider Identifier (NPI) is 1649259136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jill Thewlis's specialty?
- Jill Thewlis is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jill Thewlis located?
- Jill Thewlis's practice location on file with NPPES is 876 Amherst Rd Ne, Massillon, OH 44646-8528.
- What is Jill Thewlis's phone number?
- The practice phone number listed in the NPPES registry for Jill Thewlis is (330) 833-8516.
- Is Jill Thewlis's NPI active?
- Yes — Jill Thewlis's NPI (1649259136) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.