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Internal Medicine

Zbigniew Woznica, MD

Sees patients in Winsted, CT · West Hartford, CT · Wallingford, CT · Connecticut

Summary

Dr. Zbigniew Woznica, MD is an internal medicine doctor at 115 Spencer St, Winsted, CT 06098. Phone: (860) 738-5814. Accepts Medicare assignment. In 2024, Zbigniew Woznica had 106 Original Medicare patients and 1,148 services. NPI 1174536486. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 115 Spencer St, Winsted, CT 06098 · Directions (2 more locations)
  • Phone: (860) 738‑5814
  • Medicare: Accepts Medicare assignment
  • Group practice: Prohealth Physicians PC
  • Medical school: graduated 1980 (46 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Zbigniew Woznica, 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 Zbigniew Woznica accept Medicare assignment?
Yes. Medicare's clinician data says Zbigniew Woznica 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 Zbigniew Woznica see?
In 2024, CMS data shows 106 Original Medicare patients and 1,148 services for Zbigniew Woznica. This counts Original Medicare only and measures volume, not quality.
What is Zbigniew Woznica's NPI number?
1174536486. 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 Zbigniew Woznica, 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 patients106
Services billed to Medicare1,148
Different services or procedures69
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)173 services
  2. 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)119 services
  3. Blood test, comprehensive group of blood chemicals (80053)84 services
  4. Blood test, lipids (cholesterol and triglycerides) (80061)78 services
  5. Hemoglobin a1c level (83036)56 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 pressure73%
  • Chronic kidney disease43%
  • Diabetes33%
  • Arthritis29%
  • Depression23%

Practice locations

Addresses where Zbigniew Woznica is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Prohealth Physicians PC213 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 Prohealth Physicians PC

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

Clinician information

CredentialMD
Graduation year1980 (46 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174536486
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians