Isaac D. Sheffield, MD

Medicare activity in 2024

Official CMS public-use data for Isaac D. Sheffield, 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 lens surgery (00142)21 services
2. Anesthesia for procedure for total knee joint replacement (01402)19 services
3. Anesthesia for total hip replacement (01214)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 pressure74%
• High cholesterol72%
• Arthritis69%
• Diabetes26%
• Depression22%
• Chronic kidney disease21%

Hospitals where Isaac D. Sheffield works

Medicare's Facility Affiliation Data lists Isaac D. Sheffield 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.

• Mercy Medical Center - Cedar RapidsCedar Rapids, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160079
• University of Iowa Health Care Medical Center DownIowa City, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160029
• University of Iowa Hospital & ClinicsIowa City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160058

Practice locations

Addresses where Isaac D. Sheffield is enrolled with Medicare (CMS data updated October 2, 2026).

• 200 Hawkins DrIowa City, IA 52242 (319) 356‑1616
• 500 E Market StIowa City, IA 52245 (319) 339‑0300
• 701 10th St SECedar Rapids, IA 52403
• 701 10th St SE J Edward Lundy, Mercy Pediatric ClinicCedar Rapids, IA 52403 (319) 832‑2328

Group practices

Medicare enrollment lists Isaac D. Sheffield as a member of these groups (CMS data updated October 2, 2026).

• State University of Iowa1,897 clinicians in the group
• Mercy Medical Center305 clinicians in the group
• Physician Anesthesia Care of Iowa City PC15 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Iowa →

Other anesthesiologists in Iowa City

Clinicians with the same Medicare primary specialty in Iowa City, IA — not a recommendation.

• Takeshi Kawamura, MD
• Satoshi A. Jujo, MD
• David W. Kaczka, MD
• Yongki Lee, MD
• Archit Sharma, MD
• Dawn Dillman, MD
• Cesar F. Sanchez Rohde, MD
• Tatsuya Yoshimura, MD

All anesthesiologists in Iowa City →

Other clinicians in State University of Iowa

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

• Megan Hsu, MD
• Kathryn L. Eschbacher, MD
• Rostislav D. Ranguelov, MD
• Rachel A. Maassen, MD
• Jessica L. Frana
• Samuel Orvis, 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