NPPES file of Aug 9, 2026

Rajkumar Periasamy

Psychologist · Northbrook, IL

Rajkumar Periasamy is a psychologist with a practice address in Northbrook, Illinois, and NPI 1013472752, issued on Feb 6, 2019. Check the license (Illinois 071010695, 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
1013472752
Name
Rajkumar Periasamy
Primary taxonomy
Psychologist 103T00000X
License number
071010695 IL
Self-reported in NPPES; status is on the state search
Practice location
666 Dundee RD Ste 708, Northbrook, IL 60062
Phone
(312) 900-8642
Enumerated
Feb 6, 2019
Record last updated
Aug 4, 2022
Medicare enrollment
Enrolled (PECOS I20220922000873); may accept Medicare assignment
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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Also registered at 666 Dundee RD Ste 708

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

  1. Ashley Plotnick, LSWSocial Worker1720732373

Verify Rajkumar Periasamy 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 071010695
    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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Rajkumar Periasamy among 1,011 psychologist records in Illinois

Rajkumar Periasamy is one of 1,011 psychologist records with a practice address in Illinois. 11% 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 2019, is newer than 70% of them.

  • NPI issued2019 · 70% of these records are older, 26% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated2020 · median 2001 among the 201 with a school on file
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 psychologist records list a practice address in Northbrook

They are 27 of the 2,226 NPPES records with a practice address in Northbrook, and 1,011 psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychologist records with the nearest ZIP codes

  1. Barry Alpert, PH.D.Northbrook, IL 600621013916998
  2. Joseph Barr, EDDNorthbrook, IL 600621710057591
  3. Angela Ceisel, PSY. D.Northbrook, IL 600621497092118
  4. Joan Funk, PSY.D.Northbrook, IL 600621740324128
  5. Gabrielle Granoff, M.S.Northbrook, IL 600621457605420
  6. Paul Heaton, PSY.D.Northbrook, IL 600621508976499
  7. Ruth Kraus, PH.D.Northbrook, IL 600621902006703
  8. Ashley Lambert, M.S.Northbrook, IL 600621023242252

Common questions

What is Rajkumar Periasamy's NPI number?

Rajkumar Periasamy's National Provider Identifier (NPI) is 1013472752, issued on Feb 6, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Rajkumar Periasamy located?

The NPPES record lists a practice address at 666 Dundee RD Ste 708, Northbrook, IL, 60062. Phone: (312) 900-8642. Providers update this record themselves, so call before visiting.

How can I verify Rajkumar Periasamy's license?

NPPES lists Illinois license number 071010695, 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.