NPPES file of Aug 9, 2026

Robert K. Marshall, PH.D.

Clinical Psychologist · Orland Park, IL

Robert K. Marshall, PH.D. is a clinical psychologist with a practice address in Orland Park, Illinois, and NPI 1528098373, issued on Jul 4, 2006. Check the license (Illinois 71-2524, 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
1528098373
Name
Robert K. Marshall
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
71-2524 IL
Self-reported in NPPES; status is on the state search
Practice location
9631 W 153RD St, Orland Park, IL 60462
Phone
(847) 533-3806
Enumerated
Jul 4, 2006
Record last updated
Dec 18, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(312) 777-7747
Medicare enrollment
Enrolled (PECOS I20130605000781); 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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8 nearest clinical psychologist records → All 3,947 in Illinois → Look up another NPI →

Also registered at 9631 W 153RD St

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

  1. Maureen Brinkman, LCSWClinical Social Worker1770812000
  2. Lisa Joswick, LCPCProfessional Counselor1184707861
  3. Jean Ruzich, MA LCPCMental Health Counselor1184731218
  4. Cheryl Scallon, PSY.D.Clinical Psychologist1699889089

Verify Robert K. Marshall 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 71-2524    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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Robert K. Marshall among 3,947 clinical psychologist records in Illinois

Robert K. Marshall, PH.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 not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 76% newer
  • In a Medicare fileNo · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated1978 · median 2004 among the 1,081 with a school on file
  • Record last updated2012 · 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).

36 clinical psychologist records list a practice address in Orland Park

They are 36 of the 1,925 NPPES records with a practice address in Orland Park, and 3,947 clinical psychologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 clinical psychologist records with the nearest ZIP codes

  1. Charles Alexander, PSYDOrland Park, IL 604621003859554
  2. John Atkinson, PSY.DOrland Park, IL 604621396823514
  3. Abdul Basit, PH. DOrland Park, IL 604621821244492
  4. Nina Gritzalis, PSYDOrland Park, IL 604621194863951
  5. Eugene Holmes, PSY.D.Orland Park, IL 604621790861664
  6. Janet Irvine, PSYDOrland Park, IL 604621659347235
  7. Julie Leonard, PSYDOrland Park, IL 604621194783589
  8. Frank Mordini, PSY.D.Orland Park, IL 604621235281338

Common questions

What is Robert K. Marshall, PH.D.'s NPI number?

Robert K. Marshall, PH.D.'s National Provider Identifier (NPI) is 1528098373, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert K. Marshall, PH.D. located?

The NPPES record lists a practice address at 9631 W 153RD St, Orland Park, IL, 60462. Phone: (847) 533-3806. Providers update this record themselves, so call before visiting.

How can I verify Robert K. Marshall, PH.D.'s license?

NPPES lists Illinois license number 71-2524, 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.

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.