Quick answers
- Which hospitals does Ann M. Haynes work at?
- Medicare's official clinician data lists Ann M. Haynes at 1 hospital: Ohio State University State Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ann M. Haynes see patients?
- Medicare's clinician data lists 1 practice location in Columbus, OH. Call before your visit to confirm the address.
- What is Ann M. Haynes's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Ann M. Haynes accept Medicare assignment?
- Yes. Medicare's clinician data says Ann M. Haynes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ann M. Haynes?
- (614) 293-8305, as listed in official Medicare / NPI Registry data.
- What is Ann M. Haynes's NPI number?
- 1336229301. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ann M. Haynes works
Medicare's Facility Affiliation Data lists Ann M. Haynes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
Practice locations
Addresses where Ann M. Haynes is enrolled with Medicare (CMS data updated 2026-10-02).
- 410 W 10th AveColumbus, OH 43210 (614) 293‑8305
Group practices
Medicare enrollment lists Ann M. Haynes as a member of this group (CMS data updated 2026-10-02).
- OSU Emergency Medicine LLC174 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336229301 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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