Quick answers
- Where does Benjamin Haefner see patients?
- Medicare's clinician data lists 2 practice locations, including Vienna, VA and Bethesda, MD. Call before your visit to confirm the address.
- What is Benjamin Haefner's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Benjamin Haefner accept Medicare assignment?
- Medicare's clinician data says Benjamin Haefner 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 Benjamin Haefner?
- (301) 798-4838, as listed in official Medicare / NPI Registry data.
- What is Benjamin Haefner's NPI number?
- 1790450443. 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 Benjamin Haefner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1945 Old Gallows Rd, Suite 100Vienna, VA 22182 (301) 798‑4838
- 6710 A Rockledge Dr, Suite 120aBethesda, MD 20817 (301) 798‑4838
Group practices
Medicare enrollment lists Benjamin Haefner as a member of this group (CMS data updated 2026-10-02).
- Rehab 2 Perform LLC93 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Virginia →
Other physical therapists in Vienna
Clinicians with the same Medicare primary specialty in Vienna, VA — not a recommendation.
Clinician information
| Credential | PT |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1790450443 |
| 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