Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Psychiatry

Nicholas R. Ahrendt, MD

Sees patients in Oro Valley, AZ · Arizona

Summary

Dr. Nicholas R. Ahrendt, MD is a psychiatrist at 1551 E Tangerine Rd, Oro Valley, AZ 85755. Phone: (520) 901-3549. Accepts Medicare assignment. NPI 1043744998. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 1551 E Tangerine Rd, Oro Valley, AZ 85755 · Directions
  • Phone: (520) 901‑3549
  • Medicare: Accepts Medicare assignment
  • Group practice: Northwest Allied Physicians LLC
  • Medical school: University Of Arizona College Of Medicine · graduated 2017 (9 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas R. Ahrendt, 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 R. Ahrendt accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas R. Ahrendt 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 R. Ahrendt's NPI number?
1043744998. 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 R. Ahrendt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Northwest Allied Physicians LLC120 clinicians in the group

Specialties

Find other Psychiatry doctors in Arizona →

Other psychiatrists in Arizona

Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.

All psychiatrists in Arizona →

Other clinicians in Northwest Allied Physicians LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043744998
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