Ryan R. Ristow, MD

Medicare activity in 2024

Official CMS public-use data for Ryan R. Ristow, 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)116 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)113 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)48 services
4. Automated urinalysis test (81003)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 cholesterol69%
• High blood pressure67%
• Arthritis43%
• Diabetes28%
• Depression24%
• Anxiety23%

Hospitals where Ryan R. Ristow works

Medicare's Facility Affiliation Data lists Ryan R. Ristow 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 Ryan R. Ristow is enrolled with Medicare (CMS data updated October 2, 2026).

• 120 Colemans Xing, Suite BMarysville, OH 43040 (937) 578‑4310
• 1958 E US Hwy 36Urbana, OH 43078 (937) 652‑5019
• 393 E Town St, Suite 116Columbus, OH 43215 (614) 566‑9108
• 444 N Cleveland Ave, Suite 130Westerville, OH 43082 (614) 839‑1118
• 4460 Lake Forest Dr, Suite 216Blue Ash, OH 45242 (513) 281‑4400

Group practices

Medicare enrollment lists Ryan R. Ristow as a member of these groups (CMS data updated October 2, 2026).

• OhioHealth Corporation2,314 clinicians in the group
• Memorial Hospital of Union County25 clinicians in the group
• Wedgewood Urgent Care, Ltd25 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Ohio →

Other emergency medicine doctors in Marysville

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

• Nastassija Hang Fu, MD
• Christopher Farabaugh, DO
• Amy M. Cohagan, DO
• Blake J. Grider, MD
• Patricia Robitaille, MD
• Neagum B. Patel, MD
• Amanda Vaughan, DO

All emergency medicine doctors in Marysville →

Other clinicians in OhioHealth Corporation

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

• Nathanael Rollison, MD
• Mohamed E. Ahmed, MD
• Michelle Y. Kincaid, MD
• Jordan Dickson
• Urmil B. Pandya, MD
• Zachary Trisel, 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