Fred H. Lewis, MD

Medicare activity in 2024

Official CMS public-use data for Fred H. Lewis, 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 preparation and provision of 1 or more antigens (95165)2,689 services
2. Test for allergy using allergenic extract (95004)1,796 services
3. Professional service for multiple injections of allergen (95117)564 services
4. Test for allergy using allergenic extract injected into skin (95024)488 services
5. Test to measure the level of nitric oxide gas (95012)285 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%
• Asthma58%
• Arthritis53%
• Anxiety31%
• COPD28%

Hospitals where Fred H. Lewis works

Medicare's Facility Affiliation Data lists Fred H. Lewis 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.

• Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
• Olean General HospitalOlean, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330103

Practice locations

Addresses where Fred H. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).

• 535 Main StOlean, NY 14760 (716) 372‑0141
• 535 Main St, Suite 1Olean, NY 14760 (716) 372‑0141

Group practices

Medicare enrollment lists Fred H. Lewis as a member of these groups (CMS data updated October 2, 2026).

• General Physician PC501 clinicians in the group
• Olean Medical Practice PLLC51 clinicians in the group

Specialties

• Allergy/Immunologyprimary

Find other Allergy/Immunology doctors in New York →

Other allergist and immunologists in New York

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

• Michel E. Akl, MD
• Erin M. Banta, MD
• Ballambattu Bhat, MD
• Louis E. Guida Jr., MD
• Nathan E. Saint-Amand, MD
• Sherry Farzan, MD
• Irum M. Noor, DO
• Bernard A. Silverman, MD

All allergist and immunologists in New York →

Other clinicians in General Physician PC

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

• Gianna M. McEvoy, DO
• Marcy A. Masyga, DO
• Anthony F. Perna, MD
• John B. Ortolani, MD
• August A. Bruno Jr., MD
• Lauren Seymour

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