NPPES file of Aug 9, 2026

Peter Ross Brown, MD

Clinical Psychologist · Orland Park, IL

Peter Ross Brown, MD is a clinical psychologist with a practice address in Orland Park, Illinois, and NPI 1508055104, issued on Oct 18, 2007. Check the license 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508055104
Name
Peter Ross Brown
Credential
MD
Primary taxonomy
Clinical Psychologist 103TC0700X
Practice location
9601 165TH St, Orland Park, IL 60467
Phone
(708) 646-8070
Enumerated
Oct 18, 2007
Record last updated
Oct 29, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(815) 464-9737
Medicare enrollment
Enrolled (PECOS I20120220000558); accepts 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 9601 165TH St

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

  1. Christopher Gorski, DDSDentist1952751000
  2. Alexandra Holdefer, LCSW, CADCClinical Social Worker1407381379
  3. Susan Lloyd, LCPCProfessional Counselor1982773479
  4. Martie Lukanich, PSY.D.,LCPCProfessional Counselor1497886196
  5. Jody Plowman, L.C.S.W.Clinical Social Worker1730363557

Verify Peter Ross Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 80.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score47.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Peter Ross Brown among 3,947 clinical psychologist records in Illinois

Peter Ross Brown, MD 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 2007, is newer than 24% of them.

  • NPI issued2007 · 24% of these records are older, 57% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated1995 · median 2004 among the 1,081 with a school on file
  • Record last updated2007 · 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.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Lamese AbdelhamidOrland Park, IL 604671992671440
  2. Huda Abuasi, PSY.D.Orland Park, IL 604671841312808
  3. Terri Christiansen, PH.D.Orland Park, IL 604671972652170
  4. Edward Mahoney, PSY.D.Orland Park, IL 604671568558237
  5. Andrew Mouton, PHDOrland Park, IL 604671477500825
  6. Robert Puls, PSYDOrland Park, IL 604671992850044
  7. Aretha Steele, PSYDOrland Park, IL 604671205476058
  8. Robin Whitfield, ED.D.Park Forest, IL 604661104930114

Common questions

What is Peter Ross Brown, MD's NPI number?

Peter Ross Brown, MD's National Provider Identifier (NPI) is 1508055104, issued on Oct 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Peter Ross Brown, MD located?

The NPPES record lists a practice address at 9601 165TH St, Orland Park, IL, 60467. Phone: (708) 646-8070. Providers update this record themselves, so call before visiting.

How can I verify Peter Ross Brown, MD's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

What is Peter Ross Brown, MD's MIPS final score?

The 2023 MIPS final score is 80.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.