Quick answers
- Where does Maximilian Oshalim see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Lanham, MD. Call before your visit to confirm the address.
- What is Maximilian Oshalim's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Maximilian Oshalim accept Medicare assignment?
- Yes. Medicare's clinician data says Maximilian Oshalim 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.
- Does Maximilian Oshalim offer telehealth?
- Medicare's clinician data says Maximilian Oshalim offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Maximilian Oshalim?
- (202) 331-3338, as listed in official Medicare / NPI Registry data.
- What is Maximilian Oshalim's NPI number?
- 1407932015. 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 Maximilian Oshalim is enrolled with Medicare (CMS data updated 2026-10-02).
- 2311 M St NWWashington, DC 20037 (202) 331‑3338
- 9470 Annapolis Rd, Suite 309Lanham, MD 20706 (202) 832‑1800
Group practices
Medicare enrollment lists Maximilian Oshalim as a member of this group (CMS data updated 2026-10-02).
- Privia Medical Group, LLC1,533 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 | State University Of New York Downstate Medical Center |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1407932015 |
| 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