Quick answers
- Does Zachary L. Pattison accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary L. Pattison 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 Zachary L. Pattison see?
- In 2024, CMS data shows 407 Original Medicare patients and 604 services for Zachary L. Pattison. This counts Original Medicare only and measures volume, not quality.
- What is Zachary L. Pattison's NPI number?
- 1306209986. 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 Zachary L. Pattison, 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 | 407 |
|---|---|
| Services billed to Medicare | 604 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)141 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)100 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)65 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)40 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)29 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%
- Arthritis53%
- Ischemic heart disease35%
- Depression32%
- Diabetes30%
Hospitals where Zachary L. Pattison works
Medicare's Facility Affiliation Data lists Zachary L. Pattison 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.
- Dublin Methodist HospitalDublin, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360348
- Grant Medical CenterColumbus, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360017
- Memorial HospitalMarysville, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360092
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360006
Practice locations
Addresses where Zachary L. Pattison is enrolled with Medicare (CMS data updated October 2, 2026).
- 3400 Olentangy River RdColumbus, OH 43202 (614) 754‑5500
- 3595 Olentangy River RdColumbus, OH 43214 (614) 566‑5456
- 500 London AveMarysville, OH 43040 (937) 578‑2275
- 6670 Perimeter Dr, Suite 200Dublin, OH 43016 (614) 754‑5500
Group practices
Medicare enrollment lists Zachary L. Pattison as a member of these groups (CMS data updated October 2, 2026).
- OhioHealth Corporation2,314 clinicians in the group
- Ohio Gastroenterology Group, Inc.119 clinicians in the group
- Union County Physician Corporation105 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Other clinicians in OhioHealth Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306209986 |
| 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