Delia J. Herzog, MD

Medicare activity in 2024

Official CMS public-use data for Delia J. Herzog, 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)250 services
2. Hemoglobin a1c level (83036)142 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)92 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 services
5. Assessment of emotional or behavioral problems (96127)74 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 pressure69%
• High cholesterol69%
• Arthritis42%
• Diabetes38%
• Anxiety27%
• Depression22%

Hospitals where Delia J. Herzog works

Medicare's Facility Affiliation Data lists Delia J. Herzog 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 HospitalMarysville, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360092

Practice locations

Addresses where Delia J. Herzog is enrolled with Medicare (CMS data updated October 2, 2026).

• 388 Damascus Rd, Suite AMarysville, OH 43040 (937) 578‑4040

Group practices

Medicare enrollment lists Delia J. Herzog as a member of this group (CMS data updated October 2, 2026).

• Union County Physician Corporation105 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Ohio →

Other family doctors in Marysville

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

• Dylan L. Ekstrand, DO
• Jessica L. Harrah, DO
• Robert T. Nowell, DO
• Susanna E. Johnson, MD
• Michael W. Shaffer, MD
• Nicholas Ralston, DO
• Ryan S. Wagner, MD
• Todd M. Wiley, MD

All family doctors in Marysville →

Other clinicians in Union County Physician Corporation

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

• Joseph M. Metz, MD
• Chris Karas, MD
• Stephanie T. Burkart
• Sarah M. Johnson, DO
• Olivia P. Lemaster
• Roland M. Stover, 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