Maryann Dematthews, MS, LMFT
NPI 1720402845 · Marriage & Family Therapist · Geneva, IL
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryann Dematthews, MS, LMFT is a Marriage & Family Therapist provider in Geneva, IL (NPI 1720402845).
Provider details
- NPI number
- 1720402845
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MS, LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 166.001247 (IL)
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
12 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
- 2014-02-10
- Last updated
- 2022-12-23
- Certified
- 2022-12-23
Frequently asked questions
- What is Maryann Dematthews's NPI number?
- Maryann Dematthews's National Provider Identifier (NPI) is 1720402845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryann Dematthews's specialty?
- Maryann Dematthews is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Maryann Dematthews located?
- Maryann Dematthews's practice location on file with NPPES is 825 W State St Ste 103d, Geneva, IL 60134-2078.
- What is Maryann Dematthews's phone number?
- The practice phone number listed in the NPPES registry for Maryann Dematthews is (331) 223-0330.
- Does Maryann Dematthews accept Medicare?
- Maryann Dematthews is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryann Dematthews's NPI active?
- Yes — Maryann Dematthews's NPI (1720402845) is active in the NPPES registry as of the last update on 2022-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.