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Clinical Psychologist

Nicholas F. Oriordan

Sees patients in Merrillville, IN · Indiana

Summary

Nicholas F. Oriordan is a clinical psychologist at 7725 Broadway, Suite A, Merrillville, IN 46410. Phone: (219) 736-1000. Accepts Medicare assignment. NPI 1497859078. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical psychologist
  • Address: 7725 Broadway, Suite A, Merrillville, IN 46410 · Directions
  • Phone: (219) 736‑1000
  • Medicare: Accepts Medicare assignment
  • Group practice: Mid-America Psychological and Counseling Service PC
  • School: graduated 2015
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas F. Oriordan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Nicholas F. Oriordan accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas F. Oriordan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Nicholas F. Oriordan's NPI number?
1497859078. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Nicholas F. Oriordan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicholas F. Oriordan as a member of this group (CMS data updated October 2, 2026).

  • Mid-America Psychological and Counseling Service PC6 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Indiana →

Other clinical psychologists in Merrillville

Clinicians with the same Medicare primary specialty in Merrillville, IN — not a recommendation.

All clinical psychologists in Merrillville →

Other clinicians in Mid-America Psychological and Counseling Service PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497859078
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians