Quick answers
- Where does Brendan Tamm see patients?
- Medicare's clinician data lists 5 practice locations, including Reston, VA, Mc Lean, VA and Annandale, VA. Call before your visit to confirm the address.
- What is Brendan Tamm's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Brendan Tamm accept Medicare assignment?
- Yes. Medicare's clinician data says Brendan Tamm 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 Brendan Tamm?
- (703) 356-6880, as listed in official Medicare / NPI Registry data.
- What is Brendan Tamm's NPI number?
- 1760945075. 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 Brendan Tamm is enrolled with Medicare (CMS data updated 2026-10-02).
- 1800 Town Ctr Dr, Suite 317Reston, VA 20190 (703) 356‑6880
- 6845 Elm St, Suite 611Mc Lean, VA 22101 (703) 437‑3900
- 7617 Little River Tpke, Suite 400Annandale, VA 22003 (703) 712‑7825
- 9470 Annapolis Rd, Suite 309Lanham, MD 20706 (202) 832‑1800
- 950 N Glebe Rd, Suite 700Arlington, VA 22203
Group practices
Medicare enrollment lists Brendan Tamm as a member of this group (CMS data updated 2026-10-02).
- Privia Medical Group, LLC1,533 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Reston
Clinicians with the same Medicare primary specialty in Reston, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1760945075 |
| 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