Shirley A. Mayo, MD

Medicare activity in 2024

Official CMS public-use data for Shirley A. Mayo, 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. Anesthesia for other procedure on large bowel using an endoscope (00811)81 services
2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)53 services
3. Anesthesia for procedure on small and large bowel using an endoscope (00813)30 services
4. Anesthesia for exam of colon using an endoscope (00812)13 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%
• Arthritis58%
• Ischemic heart disease55%
• Diabetes41%
• Anxiety32%

Hospitals where Shirley A. Mayo works

Medicare's Facility Affiliation Data lists Shirley A. Mayo 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.

• St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
• St Charles HospitalPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330246

Practice locations

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

• 50 Route 25aSmithtown, NY 11787 (631) 862‑3000
• 975 Stewart AveGarden City, NY 11530 (516) 222‑8688

Group practices

Medicare enrollment lists Shirley A. Mayo as a member of these groups (CMS data updated October 2, 2026).

• Suffolk Anesthesiology Associates PC72 clinicians in the group
• Office Based Anesthesia LLC14 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Smithtown

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

• Vineet K. Gambhir, MD
• Matthew Tito, MD
• Thomas A. Kubanick, MD
• Terrence Tam, MD
• Daniel L. Feldman, MD
• Joseph Fiola, MD
• Linda Chernoff, MD
• Michael P. Fernando, MD

All anesthesiologists in Smithtown →

Other clinicians in Suffolk Anesthesiology Associates PC

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

• Gina Schiavone
• Vineet K. Gambhir, MD
• Matthew Tito, MD
• Thomas A. Kubanick, MD
• Terrence Tam, MD
• Daniel L. Feldman, 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