Quick answers
- Does Deanna J. Merrill accept Medicare assignment?
- Yes. Medicare's clinician data says Deanna J. Merrill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Deanna J. Merrill see?
- In 2024, CMS data shows 163 Original Medicare patients and 473 services for Deanna J. Merrill. This counts Original Medicare only and measures volume, not quality.
- What is Deanna J. Merrill's NPI number?
- 1215135850. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Deanna J. Merrill, 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.
| Original Medicare patients | 163 |
|---|---|
| Services billed to Medicare | 473 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Hemoglobin a1c level (83036)109 services
- Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)103 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)92 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)80 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)56 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 cholesterol75%
- Diabetes75%
- Arthritis49%
- Chronic kidney disease43%
- Ischemic heart disease38%
Hospitals where Deanna J. Merrill works
Medicare's Facility Affiliation Data lists Deanna J. Merrill 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.
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085
Practice locations
Addresses where Deanna J. Merrill is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 Zollinger RdColumbus, OH 43221 (614) 293‑2920
- 3651 Ridge Mill DrHilliard, OH 43026 (614) 293‑3873
- 3900 Stoneridge LnDublin, OH 43017 (614) 366‑5001
- 6700 University BlvdDublin, OH 43016 (614) 814‑7777
- 6700 University Blvd, Suite 5cDublin, OH 43016 (614) 293‑3196
Group practices
Medicare enrollment lists Deanna J. Merrill as a member of this group (CMS data updated October 2, 2026).
- OSU Internal Medicine LLC1,161 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Other clinicians in OSU Internal Medicine LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of Kentucky College Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215135850 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians