Richard Zentz, DO

Medicare activity in 2024

Official CMS public-use data for Richard Zentz, 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 straightforward medical decision making, if using time, 10 minutes or more (99212)183 services
2. Hemoglobin a1c level (83036)84 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)76 services
4. Influenza vaccine split virus, preservative free (90662)18 services
5. Administration of influenza virus vaccine (G0008)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 cholesterol70%
• Arthritis45%
• Heart failure45%
• Diabetes38%
• Depression28%

Hospitals where Richard Zentz works

Medicare's Facility Affiliation Data lists Richard Zentz 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.

• Memorial Hospital of South BendSouth Bend, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150058
• Saint Joseph Regional Medical CenterMishawaka, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150012

Practice locations

Addresses where Richard Zentz is enrolled with Medicare (CMS data updated October 2, 2026).

• 4401 W Western Ave, Suite CSouth Bend, IN 46619 (574) 725‑7006

Group practices

Medicare enrollment lists Richard Zentz as a member of this group (CMS data updated October 2, 2026).

• Osh-In Physicians Group PC63 clinicians in the group

Specialties

• Family Practiceprimary
• Osteopathic Manipulative Medicinealso

Find other Family Practice doctors in Indiana →

Other family doctors in South Bend

Clinicians with the same Medicare primary specialty in South Bend, IN — not a recommendation.

• Travis W. Casper, MD
• Laura E. Albright, MD
• Daniel J. Perry, MD
• Justin C. Reed
• Sidrah Zaidi, MD
• Bradley J. Scott, MD
• Mitchell E. Daugherty, MD
• Cody L. Ward, MD

All family doctors in South Bend →

Other clinicians in Osh-In Physicians Group PC

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

• Bridget Darr, MD
• Ann M. Bogue
• Susan L. Conn, NP
• Jamie L. Wilson
• Stephanie N. Williams, CSW
• Marrisa Culver, NP

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