Quick answers
- Which hospitals does Serena M. Day work at?
- Medicare's official clinician data lists Serena M. Day at 5 hospitals: Avita Ontario, Mercy Health - Willard Hospital, OhioHealth Mansfield Hospital, OhioHealth Shelby Hospital and University Hospitals Samaritan Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Serena M. Day see patients?
- Medicare's clinician data lists 1 practice location in Mansfield, OH. Call before your visit to confirm the address.
- What is Serena M. Day's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Serena M. Day accept Medicare assignment?
- Yes. Medicare's clinician data says Serena M. Day 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 Serena M. Day?
- (419) 526-8581, as listed in official Medicare / NPI Registry data.
- What is Serena M. Day's NPI number?
- 1669715348. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Serena M. Day works
Medicare's Facility Affiliation Data lists Serena M. Day at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Avita OntarioOntario, OH · Acute Care Hospital · CCN 360365
- Mercy Health - Willard HospitalWillard, OH · Critical Access Hospital · CCN 361310
- OhioHealth Mansfield HospitalMansfield, OH · Acute Care Hospital · CCN 360118
- OhioHealth Shelby HospitalShelby, OH · Critical Access Hospital · CCN 361324
- University Hospitals Samaritan Medical CenterAshland, OH · Acute Care Hospital · CCN 360002
Practice locations
Addresses where Serena M. Day is enrolled with Medicare (CMS data updated 2026-10-02).
- 335 Glessner AveMansfield, OH 44903 (419) 526‑8581
Group practices
Medicare enrollment lists Serena M. Day as a member of this group (CMS data updated 2026-10-02).
- OhioHealth Corporation2,314 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Ohio →
Other cardiologists in Mansfield
Clinicians with the same Medicare primary specialty in Mansfield, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Drexel University College Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669715348 |
| 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