Douglas M. Delong, MD

Medicare activity in 2024

Official CMS public-use data for Douglas M. Delong, 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.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)94 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)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 cholesterol75%
• High blood pressure70%
• Arthritis35%
• Diabetes29%
• Ischemic heart disease29%
• Atrial fibrillation26%

Hospitals where Douglas M. Delong works

Medicare's Facility Affiliation Data lists Douglas M. Delong 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.

• Bassett HealthcareCooperstown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330136

Practice locations

Addresses where Douglas M. Delong is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Atwell RdCooperstown, NY 13326 (607) 547‑3480

Group practices

Medicare enrollment lists Douglas M. Delong as a member of this group (CMS data updated October 2, 2026).

• Mary Imogene Bassett Hospital763 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Cooperstown

Clinicians with the same Medicare primary specialty in Cooperstown, NY — not a recommendation.

• Gerald A. Landry, MD
• Venera Grasso, MD
• Bishnu Singh
• David A. Almeleh, MD
• Steven Shamosh, MD
• Brandon S. Judnarine, MD
• Jonathan D. Croft, DO
• Brian Reagan, MD

All internal medicine doctors in Cooperstown →

Other clinicians in Mary Imogene Bassett Hospital

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

• Gerald A. Landry, MD
• Simha R. Sastry, MD
• Kara A. Sutton, PA
• Arthur Schneider, MD
• Carley F. Stevenson
• Norman Jones, MD

Clinician information

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