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Internal Medicine

Carl R. Pett, MD

Works at hospitals in Maywood, IL · Oak Park, IL · Chicago, IL · Illinois

Summary

Dr. Carl R. Pett, MD is an internal medicine doctor at 610 S Maple Ave, Suite 5500, Oak Park, IL 60304. Phone: (708) 660-5777. Accepts Medicare assignment. In 2024, Carl R. Pett had 349 Original Medicare patients and 1,378 services. NPI 1639792179. 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 Carl R. Pett, 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 Carl R. Pett accept Medicare assignment?
Yes. Medicare's clinician data says Carl R. Pett 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 Carl R. Pett see?
In 2024, CMS data shows 349 Original Medicare patients and 1,378 services for Carl R. Pett. This counts Original Medicare only and measures volume, not quality.
What is Carl R. Pett's NPI number?
1639792179. 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 Carl R. Pett, 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 patients349
Services billed to Medicare1,378
Different services or procedures37
Participating Medicare providerYes
Average age of these patients75

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)294 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)237 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)108 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)96 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)88 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 pressure72%
  • Arthritis48%
  • Diabetes31%
  • Chronic kidney disease28%
  • Ischemic heart disease26%

Hospitals where Carl R. Pett works

Medicare's Facility Affiliation Data lists Carl R. Pett 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 Carl R. Pett is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carl R. Pett as a member of this group (CMS data updated October 2, 2026).

  • Rush University Medical Group1,551 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Oak Park

Clinicians with the same Medicare primary specialty in Oak Park, IL — not a recommendation.

All internal medicine doctors in Oak Park →

Other clinicians in Rush University Medical Group

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

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639792179
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