Quick answers
- Where does Ryan E. Anderson see patients?
- Medicare's clinician data lists 1 practice location in Washington, DC. Call before your visit to confirm the address.
- What is Ryan E. Anderson's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ryan E. Anderson accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan E. Anderson 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 Ryan E. Anderson?
- (202) 416-2000, as listed in official Medicare / NPI Registry data.
- What is Ryan E. Anderson's NPI number?
- 1235542283. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ryan E. Anderson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1133 21st St NW, Medstar at Lafayette CentreWashington, DC 20036 (202) 416‑2000
Group practices
Medicare enrollment lists Ryan E. Anderson as a member of this group (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 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 |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235542283 |
| 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
- 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