Quick answers
- Which hospitals does Daniel J. Warner work at?
- Medicare's official clinician data lists Daniel J. Warner at 2 hospitals: Frederick Health Hospital and Meritus Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel J. Warner see patients?
- Medicare's clinician data lists 5 practice locations, including Hagerstown, MD and Frederick, MD. Call before your visit to confirm the address.
- What is Daniel J. Warner's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also Hand Surgery and Sports Medicine.
- Does Daniel J. Warner accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel J. Warner 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 Daniel J. Warner?
- (301) 665-4950, as listed in official Medicare / NPI Registry data.
- What is Daniel J. Warner's NPI number?
- 1457562480. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel J. Warner works
Medicare's Facility Affiliation Data lists Daniel J. Warner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
- Meritus Medical CenterHagerstown, MD · Acute Care Hospital · CCN 210001
Practice locations
Addresses where Daniel J. Warner is enrolled with Medicare (CMS data updated 2026-10-02).
- 11110 Medical Campus RdHagerstown, MD 21742
- 11110 Medical Campus Rd, Suite 205Hagerstown, MD 21742 (301) 665‑4950
- 187 Thomas Johnson DrFrederick, MD 21702
- 187 Thomas Johnson Dr, Suite 1Frederick, MD 21702 (301) 378‑9421
- 187 Thomas Johnson Dr, Suite 6Frederick, MD 21702
Group practices
Medicare enrollment lists Daniel J. Warner as a member of these groups (CMS data updated 2026-10-02).
- Meritus Medical Center Inc743 clinicians in the group
- Amber Hill Physical Therapy Inc334 clinicians in the group
- Medical Practices of Antietam, LLC234 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Hand Surgeryalso
- Sports Medicinealso
Other orthopedic surgeons in Hagerstown
Clinicians with the same Medicare primary specialty in Hagerstown, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457562480 |
| 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