Quick answers
- Which hospitals does John A. Woller Iii work at?
- Medicare's official clinician data lists John A. Woller Iii at 1 hospital: The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John A. Woller Iii see patients?
- Medicare's clinician data lists 5 practice locations, including Baltimore, MD and Middle River, MD. Call before your visit to confirm the address.
- What is John A. Woller Iii's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does John A. Woller Iii accept Medicare assignment?
- Medicare's clinician data says John A. Woller Iii may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for John A. Woller Iii?
- (443) 444-4714, as listed in official Medicare / NPI Registry data.
- What is John A. Woller Iii's NPI number?
- 1467983981. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John A. Woller Iii works
Medicare's Facility Affiliation Data lists John A. Woller Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · CCN 210009
Practice locations
Addresses where John A. Woller Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 5601 Lloch Raven BlvdBaltimore, MD 21239 (443) 444‑4714
- 600 N Wolf StBaltimore, MD 21287 (410) 955‑5000
- 600 N Wolfe St, Blalock 266Baltimore, MD 21287 (410) 502‑4340
- 601 N Caroline StBaltimore, MD 21287 (410) 955‑5080
- 6201 Greenleigh AveMiddle River, MD 21220
Group practices
Medicare enrollment lists John A. Woller Iii as a member of these groups (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
- Johns Hopkins University713 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1467983981 |
| 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