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Internal Medicine

Andrew Szczepanski, MD

Works at hospitals in Torrington, CT · Farmington, CT · Connecticut

Summary

Dr. Andrew Szczepanski, MD is an internal medicine doctor at 115 Spencer St, Winsted, CT 06098. Phone: (860) 379-3339. Accepts Medicare assignment. In 2024, Andrew Szczepanski had 150 Original Medicare patients and 535 services. NPI 1689656613. 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 Szczepanski, 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 Szczepanski accept Medicare assignment?
Yes. Medicare's clinician data says Andrew Szczepanski 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 Szczepanski see?
In 2024, CMS data shows 150 Original Medicare patients and 535 services for Andrew Szczepanski. This counts Original Medicare only and measures volume, not quality.
What is Andrew Szczepanski's NPI number?
1689656613. 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 Szczepanski, 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 patients150
Services billed to Medicare535
Different services or procedures18
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)193 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)125 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)105 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)25 services
  5. Administration of influenza virus vaccine (G0008)23 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 pressure68%
  • Arthritis53%
  • Ischemic heart disease33%
  • Anxiety29%
  • Diabetes25%

Hospitals where Andrew Szczepanski works

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

Group practices

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

  • Winsted Internal Medicine Associates PC3 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Winsted

Clinicians with the same Medicare primary specialty in Winsted, CT — not a recommendation.

All internal medicine doctors in Winsted →

Other clinicians in Winsted Internal Medicine Associates PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689656613
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