Keri S. Harris, MD

Medicare activity in 2024

Official CMS public-use data for Keri S. Harris, 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)123 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)116 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)85 services
4. Administration of influenza virus vaccine (G0008)34 services
5. Influenza vaccine split virus, preservative free (90662)33 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 cholesterol75%
• High blood pressure74%
• Arthritis42%
• Chronic kidney disease34%
• Diabetes28%
• Osteoporosis22%

Hospitals where Keri S. Harris works

Medicare's Facility Affiliation Data lists Keri S. Harris 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.

• Blanchard Valley HospitalFindlay, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 360095
• Mercy Health - Tiffin HospitalTiffin, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360089
• Wyandot Memorial HospitalUpper Sandusky, OH · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 361329

Practice locations

Addresses where Keri S. Harris is enrolled with Medicare (CMS data updated October 2, 2026).

• 885 N Sandusky AveUpper Sandusky, OH 43351

Group practices

Medicare enrollment lists Keri S. Harris as a member of this group (CMS data updated October 2, 2026).

• Wyandot Memorial Hospital69 clinicians in the group

Specialties

• Internal Medicineprimary
• Pediatric Medicinealso

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Ohio

Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.

• Kashyap Patel, MD
• Marc A. Alexander, MD
• Tiffany L. Victor, DO
• Vijeth R. Sringeri, MD
• Paul Kalogerou, MD
• Justin P. Mikula, MD
• Muhammad Malik, MD
• Anirban Biswas, MD

All internal medicine doctors in Ohio →

Other clinicians in Wyandot Memorial Hospital

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

• Jennifer M. Frey
• Hannah Searfoss
• Steven T. Farmer, DO
• Praveen K. Giri, MD
• Peter J. Schuler, MD
• Arjun Venkataramani, 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