Quick answers
- Where does Walter W. Immel see patients?
- Medicare's clinician data lists 1 practice location in Springfield, VA. Call before your visit to confirm the address.
- What is Walter W. Immel's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Walter W. Immel accept Medicare assignment?
- Yes. Medicare's clinician data says Walter W. Immel 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 Walter W. Immel?
- (703) 642-5990, as listed in official Medicare / NPI Registry data.
- What is Walter W. Immel's NPI number?
- 1104826429. 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 Walter W. Immel is enrolled with Medicare (CMS data updated 2026-10-02).
- 5510 Alma LnSpringfield, VA 22151 (703) 642‑5990
Group practices
Medicare enrollment lists Walter W. Immel as a member of this group (CMS data updated 2026-10-02).
- Virginia Medical Alliance, P.C.14 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Clinician information
| Medical school | Geisel School Of Medicine At Dartmouth |
|---|---|
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104826429 |
| 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