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Internal Medicine

Arnold E. Onana, MD

Sees patients in Queensbury, NY · Belfast, ME · New York, Maine

Summary

Arnold E. Onana, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Queensbury, NY and Belfast, ME. NPI 1255916730. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Arnold E. Onana, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
17Years since medical school (graduated 2009)
MaleGender (as listed)

Quick answers

Where does Arnold E. Onana see patients?
Medicare's clinician data lists 2 practice locations, including Queensbury, NY and Belfast, ME. Call before your visit to confirm the address.
What is Arnold E. Onana's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Arnold E. Onana accept Medicare assignment?
Medicare's clinician data says Arnold E. Onana may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Arnold E. Onana's NPI number?
1255916730. 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 Arnold E. Onana is enrolled with Medicare (CMS data updated 2026-10-02).

  • 820 US Route 9 Northway Plaza, Suite 4fQueensbury, NY 12804
  • PO Box, Suite 25213Belfast, ME 04915

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Queensbury

Clinicians with the same Medicare primary specialty in Queensbury, NY — not a recommendation.

All internal medicine doctors in Queensbury →

Clinician information

CredentialMD
Graduation year2009
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1255916730
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 2026-10-02, retrieved 2026-10-29
  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