Steven R. Zook, MD

Medicare activity in 2024

Official CMS public-use data for Steven R. Zook, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)90 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)73 services
3. Hospital discharge day management, more than 30 minutes (99239)33 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)15 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 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%
• Arthritis72%
• Diabetes59%
• Anxiety55%
• Depression54%

Hospitals where Steven R. Zook works

Medicare's Facility Affiliation Data lists Steven R. Zook 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.

• Fostoria Community HospitalFostoria, OH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 361318
• ProMedica Charles and Virginia Hickman HospitalAdrian, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230005
• ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360068

Practice locations

Addresses where Steven R. Zook is enrolled with Medicare (CMS data updated October 2, 2026).

• 2142 N Cove BlvdToledo, OH 43606 (419) 291‑1111

Group practices

Medicare enrollment lists Steven R. Zook as a member of this group (CMS data updated October 2, 2026).

• ProMedica Multi Specialty Physicians270 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Toledo

Clinicians with the same Medicare primary specialty in Toledo, OH — not a recommendation.

• Deepti Avasthi, MD
• Ruby N. Nucklos, MD
• Omar Sajdeya, MD
• Mohammad Alqadi
• Kyu Chul Chang, MD
• Walter E. Stotz, MD
• Elizabeth A. Hoffman, MD
• Babar Sanaullah, MD

All internal medicine doctors in Toledo →

Other clinicians in ProMedica Multi Specialty Physicians

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

• Francis C. Nwanyanwu, MD
• Serene Ozeir, DO
• Sitara Koneru Achanti, MD
• Neetan K. Dhillon, MD
• Syed Anwar H. Naqvi, MD
• Ravi P. Pothireddy, 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