Chelsea A. Obourn, MD

Medicare activity in 2024

Official CMS public-use data for Chelsea A. Obourn, 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. Professional service for multiple injections of allergen (95117)141 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)40 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)14 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 pressure72%
• High cholesterol72%
• Arthritis45%
• Anxiety29%
• Diabetes27%
• Depression27%

Hospitals where Chelsea A. Obourn works

Medicare's Facility Affiliation Data lists Chelsea A. Obourn 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.

• F F Thompson HospitalCanandaigua, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330074

Practice locations

Addresses where Chelsea A. Obourn is enrolled with Medicare (CMS data updated October 2, 2026).

• 229 Parrish St, Suite 250Canandaigua, NY 14424 (585) 394‑8800

Group practices

Medicare enrollment lists Chelsea A. Obourn as a member of this group (CMS data updated October 2, 2026).

• Lakeside Ent and Allergy LLC10 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in New York →

Other ENT doctors in New York

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

• Srinivas R. Kaza, MD
• Ryan McSpadden, MD
• Melin Tan-Geller, MD
• Craig H. Zalvan, MD
• Deya N. Jourdy, MD
• Richard Etra, MD
• George S. Ferzli, MD
• Mohemmed N. Khan, MD

All ENT doctors in New York →

Other clinicians in Lakeside Ent and Allergy LLC

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

• Paige M. Helfer, AU
• Zohal Monsour, PA
• Amy M. Saleh, MD
• Srinivas R. Kaza, MD
• Timothy Kersey, PA
• Sara R. Finney, PA

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