Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pulmonary Disease

David J. Feller Kopman, MD

Works at hospitals in Lebanon, NH · Keene, NH · New London, NH · New Hampshire

Summary

Dr. David J. Feller Kopman, MD is a pulmonologist at 1 Medical Ctr Dr, Lebanon, NH 03756. Phone: (603) 650-5000. Accepts Medicare assignment. In 2024, David J. Feller Kopman had 249 Original Medicare patients and 798 services. NPI 1801885967. 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 David J. Feller Kopman, 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 David J. Feller Kopman accept Medicare assignment?
Yes. Medicare's clinician data says David J. Feller Kopman 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 David J. Feller Kopman see?
In 2024, CMS data shows 249 Original Medicare patients and 798 services for David J. Feller Kopman. This counts Original Medicare only and measures volume, not quality.
What is David J. Feller Kopman's NPI number?
1801885967. 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 David J. Feller Kopman, 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 patients249
Services billed to Medicare798
Different services or procedures56
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)126 services
  2. Critical care, first 30-74 minutes (99291)69 services
  3. Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 3 or more lymph nodes (31653)54 services
  4. Irrigation and suction of lung airways to obtain cells using an endoscope (31624)51 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)47 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 cholesterol63%
  • COPD52%
  • Ischemic heart disease45%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)43%
  • Arthritis41%

Hospitals where David J. Feller Kopman works

Medicare's Facility Affiliation Data lists David J. Feller Kopman 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.

  • Alice Peck Day Memorial HospitalLebanon, NH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 301305
  • Cheshire Medical CenterKeene, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300019
  • Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300003
  • New London HospitalNew London, NH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 301304

Practice locations

Addresses where David J. Feller Kopman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists David J. Feller Kopman as a member of these groups (CMS data updated October 2, 2026).

  • Dartmouth-Hitchcock Clinic1,472 clinicians in the group
  • Mary Hitchcock Memorial Hospital1,280 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in New Hampshire →

Other pulmonologists in Lebanon

Clinicians with the same Medicare primary specialty in Lebanon, NH — not a recommendation.

All pulmonologists in Lebanon →

Other clinicians in Dartmouth-Hitchcock Clinic

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

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801885967
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