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General Surgery

Ian K. Komenaka, MD

Sees patients in Gilbert, AZ · Chandler, AZ · Arizona

Summary

Dr. Ian K. Komenaka, MD is a general surgeon at 3686 S Rome St, Gilbert, AZ 85297. Phone: (480) 890-7705. Accepts Medicare assignment. In 2024, Ian K. Komenaka had 47 Original Medicare patients and 81 services. NPI 1811959703. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 3686 S Rome St, Gilbert, AZ 85297 · Directions (1 more location)
  • Phone: (480) 890‑7705
  • Medicare: Accepts Medicare assignment
  • Group practice: Ironwood Physicians PC
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ian K. Komenaka, 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 Ian K. Komenaka accept Medicare assignment?
Yes. Medicare's clinician data says Ian K. Komenaka 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.
How many Medicare patients does Ian K. Komenaka see?
In 2024, CMS data shows 47 Original Medicare patients and 81 services for Ian K. Komenaka. This counts Original Medicare only and measures volume, not quality.
What is Ian K. Komenaka's NPI number?
1811959703. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ian K. Komenaka, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients47
Services billed to Medicare81
Different services or procedures11
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)74%
  • Diabetes36%
  • Osteoporosis23%

Practice locations

Addresses where Ian K. Komenaka is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ian K. Komenaka as a member of this group (CMS data updated October 2, 2026).

  • Ironwood Physicians PC116 clinicians in the group

Specialties

Find other General Surgery doctors in Arizona →

Other general surgeons in Gilbert

Clinicians with the same Medicare primary specialty in Gilbert, AZ — not a recommendation.

All general surgeons in Gilbert →

Other clinicians in Ironwood Physicians PC

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

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811959703
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians