NPPES file of Aug 9, 2026

Linda Nail Summers, PSY.D.

Clinical Psychologist · Collinsville, IL

Linda Nail Summers, PSY.D. is a clinical psychologist with a practice address in Collinsville, Illinois, and NPI 1639107584, issued on Jun 29, 2006. Check the license (Illinois 071010897, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1639107584
Name
Linda Nail Summers
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
071010897 IL
PY4016 FL
PS019820 PA
Self-reported in NPPES; status is on the state search
Practice location
115 Briar Rdg, Collinsville, IL 62234
Phone
(618) 300-9184
Enumerated
Jun 29, 2006
Record last updated
Jun 20, 2023
Medicare enrollment
Enrolled (PECOS I20230718002058); 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.
Download card Updates feed

8 nearest clinical psychologist records → All 3,947 in Illinois → Look up another NPI →

Verify Linda Nail Summers 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 071010897    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Grow Healthcare Group PAPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Linda Nail Summers among 3,947 clinical psychologist records in Illinois

Linda Nail Summers, PSY.D. is one of 3,947 clinical psychologist records with a practice address in Illinois. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 76% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated1986 · median 2004 among the 1,081 with a school on file
  • Record last updated2023 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Illinois

There are 3,947 clinical psychologist records in Illinois.

All 3,947 in Illinois → Every provider in Collinsville → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. John Forhetz, PHDCollinsville, IL 622341326015603
  2. Robin Dalske, PSYDSwansea, IL 622261326361502
  3. Neil Horowitz, PHDSwansea, IL 622261245346287
  4. Susan Powell, PH.D.Swansea, IL 622261396966958
  5. Steven Byrnes, PSY.D.Scott Afb, IL 622251144218785
  6. Sonia Sharma, PH.D.Scott Afb, IL 622251699055434
  7. David Wright, PHDScott Afb, IL 622251659420263
  8. Patrick Sears, Psy.d.Greenville, IL 622461023542982

Common questions

What is Linda Nail Summers, PSY.D.'s NPI number?

Linda Nail Summers, PSY.D.'s National Provider Identifier (NPI) is 1639107584, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Linda Nail Summers, PSY.D. located?

The NPPES record lists a practice address at 115 Briar Rdg, Collinsville, IL, 62234. Phone: (618) 300-9184. Providers update this record themselves, so call before visiting.

How can I verify Linda Nail Summers, PSY.D.'s license?

NPPES lists Illinois license number 071010897, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.