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Cardiovascular Disease (Cardiology)

Conor F. Lundergan, MD

Works at hospitals in Leonardtown, MD · Washington, DC · Maryland, District of Columbia

Summary

Dr. Conor F. Lundergan, MD is a cardiologist at 10 Saint Patricks Dr, Waldorf, MD 20603. Phone: (301) 705-7870. Accepts Medicare assignment. In 2024, Conor F. Lundergan had 1,260 Original Medicare patients and 4,751 services. NPI 1376524579. 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: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 10 Saint Patricks Dr, Waldorf, MD 20603 · Directions (8 more locations)
  • Phone: (301) 705‑7870
  • Medicare: Accepts Medicare assignment
  • Hospitals: MedStar Saint Mary's Hospital, MedStar Washington Hospital Center
  • Group practice: MedStar Medical Group II LLC (+1 more)
  • Medical school: Georgetown University School Of Medicine · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Conor F. Lundergan, 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 Conor F. Lundergan accept Medicare assignment?
Yes. Medicare's clinician data says Conor F. Lundergan 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 Conor F. Lundergan see?
In 2024, CMS data shows 1,260 Original Medicare patients and 4,751 services for Conor F. Lundergan. This counts Original Medicare only and measures volume, not quality.
What is Conor F. Lundergan's NPI number?
1376524579. 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 Conor F. Lundergan, 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 patients1,260
Services billed to Medicare4,751
Different services or procedures40
Participating Medicare providerYes
Average age of these patients76

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)1,996 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,680 services
  3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)304 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)96 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)96 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%
  • Arthritis51%
  • Diabetes41%
  • Ischemic heart disease41%
  • Chronic kidney disease30%

Hospitals where Conor F. Lundergan works

Medicare's Facility Affiliation Data lists Conor F. Lundergan 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 Conor F. Lundergan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Conor F. Lundergan as a member of these groups (CMS data updated October 2, 2026).

  • MedStar Medical Group II LLC3,767 clinicians in the group
  • MedStar Heart Institute LLC301 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Maryland →

Other cardiologists in Waldorf

Clinicians with the same Medicare primary specialty in Waldorf, MD — not a recommendation.

All cardiologists in Waldorf →

Other clinicians in MedStar Medical Group II LLC

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376524579
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