NPPES file of Aug 9, 2026

Katherine Mejia, PHD

Clinical Psychologist · Chicago, IL

Katherine Mejia, PHD is a clinical psychologist with a practice address in Chicago, Illinois, and NPI 1861916710, issued on Aug 2, 2017. Check the license (Illinois 071021011, 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
1861916710
Name
Katherine Mejia
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
071021011 IL
Self-reported in NPPES; status is on the state search
Practice location
10208 S Indianapolis Ave Ste 301, Chicago, IL 60617
Phone
(866) 413-1988
Enumerated
Aug 2, 2017
Record last updated
Jan 23, 2025
Fax
(866) 628-8599
Medicare enrollment
Enrolled (PECOS I20250203002454); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 2019
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 →

Also registered at 10208 S Indianapolis Ave Ste 301

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erica LathionAddiction (Substance Use Disorder) Counselor1215823612

Verify Katherine Mejia 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 071021011    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 2 group practices

  1. Cook CountyChicago, IL
  2. Mobile Wellness IncorporatedCalumet City, IL

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

Katherine Mejia among 3,947 clinical psychologist records in Illinois

Katherine Mejia, PHD 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 2017, is newer than 74% of them.

  • NPI issued2017 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2019 · median 2004 among the 1,081 with a school on file
  • Record last updated2025 · 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).

1,478 clinical psychologist records list a practice address in Chicago

They are 1,478 of the 63,379 NPPES records with a practice address in Chicago, and 3,947 clinical psychologist records in Illinois.

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

The 8 clinical psychologist records with the nearest ZIP codes

  1. Renee DominguezChicago, IL 606171821131590
  2. Melissa Duplantis, PSYDChicago, IL 606171306153002
  3. Claudio Altman, PSY.D.Chicago, IL 606181396035200
  4. Joseph AndersonChicago, IL 606161679390785
  5. Priscilla Butler, PSY.D.Chicago, IL 606181992020200
  6. Joann Cimo, PHD CLINICAL PSYCHOLChicago, IL 606181982650263
  7. Kate Dantoft, PSY.D.Chicago, IL 606181184957680
  8. Amee DassaniBurr Ridge, IL 606161801330931

Common questions

What is Katherine Mejia, PHD's NPI number?

Katherine Mejia, PHD's National Provider Identifier (NPI) is 1861916710, issued on Aug 2, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Mejia, PHD located?

The NPPES record lists a practice address at 10208 S Indianapolis Ave Ste 301, Chicago, IL, 60617. Phone: (866) 413-1988. Providers update this record themselves, so call before visiting.

How can I verify Katherine Mejia, PHD's license?

NPPES lists Illinois license number 071021011, 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.