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General Practice

John C. Nadolny, MD

Works at hospitals in Worcester, MA · Massachusetts

Summary

Dr. John C. Nadolny, MD is a general practitioner at 200 May St, South Attleboro, MA 02703. Phone: (508) 761-8500. Accepts Medicare assignment. In 2024, John C. Nadolny had 204 Original Medicare patients and 344 services. NPI 1588683494. 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.

  • Specialty: General practitioner (Medicare lists General Practice)
  • Address: 200 May St, South Attleboro, MA 02703 · Directions (1 more location)
  • Phone: (508) 761‑8500
  • Medicare: Accepts Medicare assignment
  • Hospital: UMass Memorial Medical Center/University Campus
  • Group practice: Massachusetts Acute Care Specialists PC
  • Medical school: Boston University School Of Medicine · graduated 1984 (42 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John C. Nadolny, 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 John C. Nadolny accept Medicare assignment?
Yes. Medicare's clinician data says John C. Nadolny 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 John C. Nadolny see?
In 2024, CMS data shows 204 Original Medicare patients and 344 services for John C. Nadolny. This counts Original Medicare only and measures volume, not quality.
What is John C. Nadolny's NPI number?
1588683494. 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 John C. Nadolny, 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 patients204
Services billed to Medicare344
Different services or procedures17
Participating Medicare providerYes
Average age of these patients62

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)57 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)43 services
  3. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)32 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)29 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)24 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).

  • Anxiety73%
  • High blood pressure72%
  • Depression69%
  • High cholesterol54%
  • Arthritis38%
  • Alzheimer's disease or dementia32%

Hospitals where John C. Nadolny works

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

Group practices

Medicare enrollment lists John C. Nadolny as a member of this group (CMS data updated October 2, 2026).

  • Massachusetts Acute Care Specialists PC43 clinicians in the group

Specialties

Find other General Practice doctors in Massachusetts →

Other general practitioners in Massachusetts

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

All general practitioners in Massachusetts →

Other clinicians in Massachusetts Acute Care Specialists PC

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

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year1984 (42 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588683494
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