Quick answers
- Which hospitals does Grafe R. Lyons work at?
- Medicare's official clinician data lists Grafe R. Lyons at 2 hospitals: Johns Hopkins Bayview Medical Center and The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grafe R. Lyons see patients?
- Medicare's clinician data lists 8 practice locations, including Baltimore, MD and Columbia, MD. Call before your visit to confirm the address.
- What is Grafe R. Lyons's specialty?
- Medicare lists Interventional Radiology as the primary specialty.
- Does Grafe R. Lyons accept Medicare assignment?
- Medicare's clinician data says Grafe R. Lyons may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Grafe R. Lyons offer telehealth?
- Medicare's clinician data says Grafe R. Lyons offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Grafe R. Lyons?
- (410) 614-3917, as listed in official Medicare / NPI Registry data.
- What is Grafe R. Lyons's NPI number?
- 1932441524. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grafe R. Lyons works
Medicare's Facility Affiliation Data lists Grafe R. Lyons at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210029
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · CCN 210009
Practice locations
Addresses where Grafe R. Lyons is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 200 N Wolfe StBaltimore, MD 21287 (410) 614‑3917
- 200 N Wolfe St, RubensteinBaltimore, MD 21287 (410) 955‑5000
- 4940 Eastern AveBaltimore, MD 21224
- 5755 Cedar LnColumbia, MD 21044 (410) 740‑7890
- 5759 Cedar LnColumbia, MD 21044
Group practices
Medicare enrollment lists Grafe R. Lyons as a member of this group (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
Specialties
- Interventional Radiologyprimary
Other interventional radiologists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1932441524 |
| 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