Quick answers
- Which hospitals does Grant T. Duvall work at?
- Medicare's official clinician data lists Grant T. Duvall at 1 hospital: Greater Baltimore Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grant T. Duvall see patients?
- Medicare's clinician data lists 12 practice locations, including Forest Hill, MD, Towson, MD and Timonium, MD. Call before your visit to confirm the address.
- What is Grant T. Duvall's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Grant T. Duvall accept Medicare assignment?
- Yes. Medicare's clinician data says Grant T. Duvall 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 Grant T. Duvall?
- (443) 849-2658, as listed in official Medicare / NPI Registry data.
- What is Grant T. Duvall's NPI number?
- 1629538392. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grant T. Duvall works
Medicare's Facility Affiliation Data lists Grant T. Duvall at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210044
Practice locations
Addresses where Grant T. Duvall is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 12; the Medicare profile lists all.
Group practices
Medicare enrollment lists Grant T. Duvall as a member of these groups (CMS data updated 2026-10-02).
- Agape Physical Therapy and Sports Rehabilitation LP678 clinicians in the group
- Greater Baltimore Medical Center354 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Forest Hill
Clinicians with the same Medicare primary specialty in Forest Hill, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629538392 |
| 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