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

Pulmonary Disease

Manuel G. Iregui, MD

Works at hospitals in Spokane, WA · Greenville, PA · New Castle, PA … · Washington, Pennsylvania

Summary

Dr. Manuel G. Iregui, MD is a pulmonologist at 100 Fairfield Dr, Seneca, PA 16346. Phone: (509) 474-2295. Accepts Medicare assignment. In 2024, Manuel G. Iregui had 291 Original Medicare patients and 819 services. NPI 1598758484. 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 Manuel G. Iregui, 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 Manuel G. Iregui accept Medicare assignment?
Yes. Medicare's clinician data says Manuel G. Iregui 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 Manuel G. Iregui see?
In 2024, CMS data shows 291 Original Medicare patients and 819 services for Manuel G. Iregui. This counts Original Medicare only and measures volume, not quality.
What is Manuel G. Iregui's NPI number?
1598758484. 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 Manuel G. Iregui, 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 patients291
Services billed to Medicare819
Different services or procedures30
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Critical care, first 30-74 minutes (99291)239 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)166 services
  3. Test to determine lung volumes using sensors (94726)74 services
  4. Test to examine how well the lungs exchange gases (94729)73 services
  5. Test to measure expiratory airflow and volume changes before and after medication administration (94060)71 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%
  • COPD62%
  • Arthritis58%
  • Heart failure53%
  • Ischemic heart disease51%

Hospitals where Manuel G. Iregui works

Medicare's Facility Affiliation Data lists Manuel G. Iregui 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.

  • Prov Sacred HRT Medical Center & Childs HospitalSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500054
  • UPMC HorizonGreenville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390178
  • UPMC JamesonNew Castle, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390016
  • UPMC NorthwestSeneca, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390091
  • UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390045

Practice locations

Addresses where Manuel G. Iregui is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.

  • 100 Fairfield DrSeneca, PA 16346
  • 105 W 8th Ave, Suite 512cSpokane, WA 99204 (509) 474‑2295
  • 110 N Main StGreenville, PA 16125
  • 110 N Main St FlGreenville, PA 16125
  • 1211 Wilmington AveNew Castle, PA 16105

Group practices

Medicare enrollment lists Manuel G. Iregui as a member of these groups (CMS data updated October 2, 2026).

  • University of Pittsburgh Physicians4,236 clinicians in the group
  • Providence Health and Services Washington784 clinicians in the group
  • Susquehanna Physician Services612 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Pennsylvania →

Other pulmonologists in Seneca

Clinicians with the same Medicare primary specialty in Seneca, PA — not a recommendation.

All pulmonologists in Seneca →

Other clinicians in University of Pittsburgh Physicians

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

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1598758484
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