Kristine L. McCallum, MD

Medicare activity in 2024

Official CMS public-use data for Kristine L. McCallum, 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)214 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)158 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)23 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 cholesterol52%
• Arthritis47%
• Diabetes29%
• Ischemic heart disease27%
• Anxiety21%

Hospitals where Kristine L. McCallum works

Medicare's Facility Affiliation Data lists Kristine L. McCallum 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.

• Adena Pike Medical CenterWaverly, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361334
• Adena Regional Medical CenterChillicothe, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360159
• Berger HospitalCircleville, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360170
• Greenfield Area Medical CenterGreenfield, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361304

Practice locations

Addresses where Kristine L. McCallum is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 N Walnut StChillicothe, OH 45601 (740) 779‑4500

Group practices

Medicare enrollment lists Kristine L. McCallum as a member of this group (CMS data updated October 2, 2026).

• Adena Medical Group LLC386 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Ohio →

Other family doctors in Chillicothe

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

• Lyndsie Pfeifer, DO
• Daniel J. Kernan, DO
• Clinton A. Hartz, MD
• John A. Gabis, MD
• David Kessler
• John F. Ucci, MD
• Jaya Thakur, MD
• Daniel Haught, MD

All family doctors in Chillicothe →

Other clinicians in Adena Medical Group LLC

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

• Barbara A. Casey
• Christin L. Spahn, MD
• Clinton A. Hartz, MD
• Jonathan A. Wagner, CNA
• Kaylee J. Schobelock, NP
• Rajinish S. Jesudoss, 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