NPPES file of Aug 9, 2026

Maryann Dematthews, MS, LMFT

Marriage & Family Therapist · Geneva, IL

Maryann Dematthews, MS, LMFT is a marriage & family therapist with a practice address in Geneva, Illinois, and NPI 1720402845, issued on Feb 10, 2014. Check the license (Illinois 166.001247, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720402845
Name
Maryann Dematthews
Credential
MS, LMFT
Primary taxonomy
Marriage & Family Therapist 106H00000X
License number
166.001247 IL
Self-reported in NPPES; status is on the state search
Practice location
825 W State St Ste 103D, Geneva, IL 60134
Phone
(331) 223-0330
Enumerated
Feb 10, 2014
Record last updated
Dec 23, 2022
Medicare enrollment
Enrolled (PECOS I20240719003111); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Maryann Dematthews in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 166.001247
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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Maryann Dematthews among 1,328 marriage & family therapist records in Illinois

Maryann Dematthews, MS, LMFT is one of 1,328 marriage & family therapist records with a practice address in Illinois. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 32% of them.

  • NPI issued2014 · 32% of these records are older, 65% newer
  • In a Medicare fileNo · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated2011 · median 2014 among the 104 with a school on file
  • Record last updated2022 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 marriage & family therapist records list a practice address in Geneva

They are 26 of the 1,023 NPPES records with a practice address in Geneva, and 1,328 marriage & family therapist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 marriage & family therapist records with the nearest ZIP codes

  1. Lisa Atkinson, M.S.Geneva, IL 601341750441598
  2. Brent Atkinson, PH.D.Geneva, IL 601341932269040
  3. Ahna Holzinger, M.S., ALMFTGeneva, IL 601341770721797
  4. Kari Hunter, LCPC, LMFTGeneva, IL 601341780774778
  5. Anna Larsen, M.S.Geneva, IL 601341457658759
  6. Jeffrey Lata, LMFTGeneva, IL 601341144389297
  7. Stephanie Nelson-Gerhardt, M.S.Geneva, IL 601341730306390
  8. Jason Nicol, M.SGeneva, IL 601341780701987

Common questions

What is Maryann Dematthews, MS, LMFT's NPI number?

Maryann Dematthews, MS, LMFT's National Provider Identifier (NPI) is 1720402845, issued on Feb 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Maryann Dematthews, MS, LMFT located?

The NPPES record lists a practice address at 825 W State St Ste 103D, Geneva, IL, 60134. Phone: (331) 223-0330. Providers update this record themselves, so call before visiting.

How can I verify Maryann Dematthews, MS, LMFT's license?

NPPES lists Illinois license number 166.001247, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.