Quick answers
- Which hospitals does John E. Nohren Iv work at?
- Medicare's official clinician data lists John E. Nohren Iv at 1 hospital: George Washington University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John E. Nohren Iv see patients?
- Medicare's clinician data lists 1 practice location in Washington, DC. Call before your visit to confirm the address.
- What is John E. Nohren Iv's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John E. Nohren Iv accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Nohren Iv 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 John E. Nohren Iv?
- (202) 741-2600, as listed in official Medicare / NPI Registry data.
- What is John E. Nohren Iv's NPI number?
- 1720584873. 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 E. Nohren Iv works
Medicare's Facility Affiliation Data lists John E. Nohren Iv at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- George Washington University HospitalWashington, DC · Acute Care Hospital · CCN 090001
Practice locations
Addresses where John E. Nohren Iv is enrolled with Medicare (CMS data updated 2026-10-02).
- 2150 Pennsylvania Ave NWWashington, DC 20037 (202) 741‑2600
Group practices
Medicare enrollment lists John E. Nohren Iv as a member of this group (CMS data updated 2026-10-02).
- Medical Faculty Associates, Inc672 clinicians in the group
Specialties
- Internal Medicineprimary
Find other Internal Medicine doctors in District of Columbia →
Other internal medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720584873 |
| 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