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Otolaryngology

Louis J. Mariotti, DO

Works at hospitals in Wilkes-Barre, PA · Pennsylvania

Summary

Dr. Louis J. Mariotti, DO is an ENT doctor at 423 3rd Ave, Suite C, Kingston, PA 18704. Phone: (570) 714-3434. Accepts Medicare assignment. In 2024, Louis J. Mariotti had 558 Original Medicare patients and 2,157 services. NPI 1437139300. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Louis J. Mariotti, 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 Louis J. Mariotti accept Medicare assignment?
Yes. Medicare's clinician data says Louis J. Mariotti 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 Louis J. Mariotti see?
In 2024, CMS data shows 558 Original Medicare patients and 2,157 services for Louis J. Mariotti. This counts Original Medicare only and measures volume, not quality.
What is Louis J. Mariotti's NPI number?
1437139300. 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 Louis J. Mariotti, 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 patients558
Services billed to Medicare2,157
Different services or procedures27
Participating Medicare providerYes
Average age of these patients77

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)583 services
  2. Professional service for preparation and provision of 1 or more antigens (95165)280 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)211 services
  4. Test to assess middle ear function (92567)131 services
  5. Comprehensive hearing and speech recognition test (92557)126 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%
  • Arthritis51%
  • Ischemic heart disease29%
  • Anxiety28%
  • Diabetes27%

Hospitals where Louis J. Mariotti works

Medicare's Facility Affiliation Data lists Louis J. Mariotti 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 Louis J. Mariotti is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Louis J. Mariotti as a member of this group (CMS data updated October 2, 2026).

  • Ent Surgical Group, PC2 clinicians in the group

Specialties

Find other Otolaryngology doctors in Pennsylvania →

Other ENT doctors in Pennsylvania

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

All ENT doctors in Pennsylvania →

Other clinicians in Ent Surgical Group, PC

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437139300
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