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Otolaryngology

James S. Montelaro, MD

Works at hospitals in Rochester, MN · Minnesota

Summary

Dr. James S. Montelaro, MD is an ENT doctor at 1650 4th St SE, Rochester, MN 55904. Phone: (507) 285-8485. Accepts Medicare assignment. In 2024, James S. Montelaro had 210 Original Medicare patients and 1,609 services. NPI 1447250311. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: ENT doctor (Medicare lists Otolaryngology)
  • Address: 1650 4th St SE, Rochester, MN 55904 · Directions (1 more location)
  • Phone: (507) 285‑8485
  • Medicare: Accepts Medicare assignment
  • Hospital: Olmsted Medical Center
  • Group practice: Olmsted Medical Center
  • Medical school: University Of Florida College Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about James S. Montelaro, 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 James S. Montelaro accept Medicare assignment?
Yes. Medicare's clinician data says James S. Montelaro 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 James S. Montelaro see?
In 2024, CMS data shows 210 Original Medicare patients and 1,609 services for James S. Montelaro. This counts Original Medicare only and measures volume, not quality.
What is James S. Montelaro's NPI number?
1447250311. 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 James S. Montelaro, 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 patients210
Services billed to Medicare1,609
Different services or procedures36
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)310 services
  2. Professional service for preparation and provision of 1 or more antigens (95165)273 services
  3. Removal of impacted ear wax (69210)177 services
  4. Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)47 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)43 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 cholesterol75%
  • High blood pressure73%
  • Arthritis50%
  • Diabetes34%
  • Ischemic heart disease30%
  • Anxiety28%

Hospitals where James S. Montelaro works

Medicare's Facility Affiliation Data lists James S. Montelaro at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where James S. Montelaro is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James S. Montelaro as a member of this group (CMS data updated October 2, 2026).

  • Olmsted Medical Center336 clinicians in the group

Specialties

Find other Otolaryngology doctors in Minnesota →

Other ENT doctors in Rochester

Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.

All ENT doctors in Rochester →

Other clinicians in Olmsted Medical Center

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

Clinician information

CredentialMD
Medical schoolUniversity Of Florida College Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447250311
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians