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Pulmonary Disease

Billie J. Barker, MD

Works at hospitals in Wexford, PA · Pittsburgh, PA · Natrona, PA … · Pennsylvania

Summary

Dr. Billie J. Barker, MD is a pulmonologist at 100 Medical Blvd, Canonsburg, PA 15317. Phone: (724) 745-6100. Accepts Medicare assignment. In 2024, Billie J. Barker had 240 Original Medicare patients and 603 services. NPI 1952307951. 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 Billie J. Barker, 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 Billie J. Barker accept Medicare assignment?
Yes. Medicare's clinician data says Billie J. Barker 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 Billie J. Barker see?
In 2024, CMS data shows 240 Original Medicare patients and 603 services for Billie J. Barker. This counts Original Medicare only and measures volume, not quality.
What is Billie J. Barker's NPI number?
1952307951. 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 Billie J. Barker, 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 patients240
Services billed to Medicare603
Different services or procedures31
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Critical care, first 30-74 minutes (99291)109 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)107 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)52 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)42 services
  5. Test to examine how well the lungs exchange gases (94729)39 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%
  • COPD55%
  • Ischemic heart disease54%
  • Arthritis52%
  • Heart failure49%

Hospitals where Billie J. Barker works

Medicare's Facility Affiliation Data lists Billie J. Barker 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.

  • Ahn Wexford HospitalWexford, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390334
  • Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390050
  • Allegheny Valley HospitalNatrona, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390032
  • Canonsburg General HospitalCanonsburg, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390160
  • West Penn HospitalPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390090

Practice locations

Addresses where Billie J. Barker is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

Group practices

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

  • Allegheny Clinic2,389 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Pennsylvania →

Other pulmonologists in Pennsylvania

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

All pulmonologists in Pennsylvania →

Other clinicians in Allegheny Clinic

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

Clinician information

CredentialMD
Medical schoolMedical College Of Ohio
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952307951
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