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Thoracic Surgery

Ronson J. Madathil, MD

Works at hospitals in Gettysburg, PA · Chambersburg, PA · York, PA · Pennsylvania

Summary

Dr. Ronson J. Madathil, MD is a thoracic surgeon at 1001 S George St, York, PA 17403. Phone: (717) 851-2465. Accepts Medicare assignment. In 2024, Ronson J. Madathil had 195 Original Medicare patients and 438 services. NPI 1821295809. 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 Ronson J. Madathil, 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 Ronson J. Madathil accept Medicare assignment?
Yes. Medicare's clinician data says Ronson J. Madathil 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 Ronson J. Madathil see?
In 2024, CMS data shows 195 Original Medicare patients and 438 services for Ronson J. Madathil. This counts Original Medicare only and measures volume, not quality.
What is Ronson J. Madathil's NPI number?
1821295809. 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 Ronson J. Madathil, 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 patients195
Services billed to Medicare438
Different services or procedures39
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)88 services
  2. Replacement of aortic valve through the skin and femoral artery (33361)66 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)50 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)20 services
  5. Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)18 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 cholesterol75%
  • Ischemic heart disease75%
  • Heart failure73%
  • Atrial fibrillation52%
  • Arthritis49%

Hospitals where Ronson J. Madathil works

Medicare's Facility Affiliation Data lists Ronson J. Madathil 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.

  • Gettysburg HospitalGettysburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390065
  • WellSpan Chambersburg HospitalChambersburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390151
  • WellSpan York HospitalYork, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390046

Practice locations

Addresses where Ronson J. Madathil is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1001 S George StYork, PA 17403
  • 1001 S George St 2nd Floor, Wellspan Pulmonary and Sleep MedicineYork, PA 17403 (717) 851‑2465
  • 25 Monument RdYork, PA 17403
  • 30 Monument Rd, Suite 1100York, PA 17403

Group practices

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

  • WellSpan Medical Group2,480 clinicians in the group

Specialties

Find other Thoracic Surgery doctors in Pennsylvania →

Other thoracic surgeons in York

Clinicians with the same Medicare primary specialty in York, PA — not a recommendation.

All thoracic surgeons in York →

Other clinicians in WellSpan Medical Group

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

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821295809
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