Quick answers
- Does Mary R. Cairns accept Medicare assignment?
- Yes. Medicare's clinician data says Mary R. Cairns 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 Mary R. Cairns see?
- In 2024, CMS data shows 59 Original Medicare patients and 132 services for Mary R. Cairns. This counts Original Medicare only and measures volume, not quality.
- What is Mary R. Cairns's NPI number?
- 1689808289. 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 Mary R. Cairns, 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 | 59 |
|---|---|
| Services billed to Medicare | 132 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 59 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)25 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)19 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).
- Depression75%
- Anxiety75%
- High cholesterol64%
- High blood pressure63%
- Arthritis51%
- Diabetes31%
Hospitals where Mary R. Cairns works
Medicare's Facility Affiliation Data lists Mary R. Cairns 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 Mary R. Cairns is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 1160 W Broad StColumbus, OH 43222
- 1670 Upham DrColumbus, OH 43210 (614) 293‑9600
- 2028 Cleveland AveColumbus, OH 43211
- 3650 Olentangy River Rd, Fl 3Columbus, OH 43214 (614) 293‑9600
- 410 W 10th AveColumbus, OH 43210 (614) 293‑9600
Group practices
Medicare enrollment lists Mary R. Cairns as a member of these groups (CMS data updated October 2, 2026).
- OSU Psychiatry LLC138 clinicians in the group
- Lower Lights Christian Health Center Inc27 clinicians in the group
Specialties
- Psychiatryprimary
- Family Practicealso
Other psychiatrists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Other clinicians in OSU Psychiatry LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689808289 |
| 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