Anthony M. Zacharek, MD

Medicare activity in 2024

Official CMS public-use data for Anthony M. Zacharek, 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. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)188 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)91 services
3. Injection into tendon or ligament (20550)52 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)49 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%
• Arthritis65%
• Diabetes30%
• Ischemic heart disease30%
• Chronic kidney disease29%

Hospitals where Anthony M. Zacharek works

Medicare's Facility Affiliation Data lists Anthony M. Zacharek 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.

• Covenant Medical CenterSaginaw, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230070
• Hills & Dales General HospitalCass City, MI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 231316

Practice locations

Addresses where Anthony M. Zacharek is enrolled with Medicare (CMS data updated October 2, 2026).

• 1447 N Harrison StSaginaw, MI 48602 (989) 583‑4220
• 1447 N Harrison St, Hospitalist and Critical CareSaginaw, MI 48602 (989) 583‑4220
• 1941 Gates StReese, MI 48757 (989) 583‑5550
• 700 Cooper AveSaginaw, MI 48602 (989) 583‑4220
• 900 Cooper AveSaginaw, MI 48602

Group practices

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

• Covenant Medical Center, Inc.480 clinicians in the group

Specialties

• Plastic and Reconstructive Surgeryprimary

Find other Plastic and Reconstructive Surgery doctors in Michigan →

Other plastic surgeons in Saginaw

Clinicians with the same Medicare primary specialty in Saginaw, MI — not a recommendation.

• George S. Miguel, DO
• Ronald C. Barry, MD
• William Pittas, DO
• George P. Malliaras, MD

All plastic surgeons in Saginaw →

Other clinicians in Covenant Medical Center, Inc.

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

• Venkatramana R. Vattipally, MD
• Biren Shah, MD
• Kevin J. Ostler
• Michael A. Butman, MD
• Jessica Belill
• Daniel J. Dunaske, DO

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