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Internal Medicine

Andrew J. Forbes, MD

Works at hospitals in Mount Vernon, IL · Du Quoin, IL · Carbondale, IL … · Illinois

Summary

Dr. Andrew J. Forbes, MD is an internal medicine doctor at 5383 State Route 154, Pinckneyville, IL 62274. Accepts Medicare assignment. In 2024, Andrew J. Forbes had 26 Original Medicare patients and 60 services. NPI 1366733800. 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 Andrew J. Forbes, 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 Andrew J. Forbes accept Medicare assignment?
Yes. Medicare's clinician data says Andrew J. Forbes 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 Andrew J. Forbes see?
In 2024, CMS data shows 26 Original Medicare patients and 60 services for Andrew J. Forbes. This counts Original Medicare only and measures volume, not quality.
What is Andrew J. Forbes's NPI number?
1366733800. 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 Andrew J. Forbes, 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 patients26
Services billed to Medicare60
Different services or procedures11
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)17 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 cholesterol65%
  • Arthritis58%
  • Ischemic heart disease42%
  • Atrial fibrillation42%

Hospitals where Andrew J. Forbes works

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

  • 5383 State Route 154Pinckneyville, IL 62274

Group practices

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

  • Pinckneyville Community Hospital27 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Illinois

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

All internal medicine doctors in Illinois →

Other clinicians in Pinckneyville Community Hospital

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366733800
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