Zia M. Sheikh, MD

Medicare activity in 2024

Official CMS public-use data for Zia M. Sheikh, 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 moderate level of decision making, if using time, 30 minutes or more (99214)402 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)113 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)45 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)36 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)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 blood pressure75%
• High cholesterol75%
• Arthritis56%
• COPD46%
• Diabetes40%
• Depression40%

Hospitals where Zia M. Sheikh works

Medicare's Facility Affiliation Data lists Zia M. Sheikh 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 Zia M. Sheikh is enrolled with Medicare (CMS data updated October 2, 2026).

• 138 W Main StCuba, NY 14727 (585) 968‑0686
• 140 W Main StCuba, NY 14727 (585) 968‑2000
• 401 N 8th StOlean, NY 14760 (716) 379‑8113
• 515 Main StOlean, NY 14760 (716) 375‑6993

Group practices

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

• Olean General Hospital90 clinicians in the group

Specialties

• Nephrologyprimary

Find other Nephrology doctors in New York →

Other nephrologists in New York

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

• Alexander J. Blair, MD
• Michael Guccione, MD
• Sarah U. Singh, DO
• Monica Kaul, MD
• Daniel J. Addanki, MD
• Hilda E. Fernandez, MD
• Cindy S. Yip, MD
• Arjun Sekar, MD

All nephrologists in New York →

Other clinicians in Olean General Hospital

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

• Rhonda J. Francis, NP
• Samir E. Yousef, MD
• Aijaz Shaikh, MD
• Eduardo J. Morales-Vicente, MD
• Fnu Sadarat, MD
• Shafi Raza, 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