Quick answers
- Where does Mark W. Miller see patients?
- Medicare's clinician data lists 8 practice locations, including Olney, MD, Reston, VA and Leesburg, VA. Call before your visit to confirm the address.
- What is Mark W. Miller's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Critical Care (Intensivists), Internal Medicine and Sleep Medicine.
- Does Mark W. Miller accept Medicare assignment?
- Yes. Medicare's clinician data says Mark W. Miller 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 Mark W. Miller offer telehealth?
- Medicare's clinician data says Mark W. Miller offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark W. Miller?
- (301) 774-8736, as listed in official Medicare / NPI Registry data.
- What is Mark W. Miller's NPI number?
- 1659306439. 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 Mark W. Miller is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 18101 Prince Philip DrOlney, MD 20832 (301) 774‑8736
- 1830 Town Ctr DrReston, VA 20190 (703) 481‑3165
- 224 D Cornwall Nwst, Suite 306Leesburg, VA 20176 (571) 209‑5490
- 2415 Musgrove Rd, Suite 203Silver Spring, MD 20904 (301) 989‑2300
- 3023 Hamaker Ct, Suite 100Fairfax, VA 22031 (703) 641‑9161
Group practices
Medicare enrollment lists Mark W. Miller as a member of this group (CMS data updated 2026-10-02).
- Privia Medical Group, LLC1,533 clinicians in the group
Specialties
- Cardiovascular Disease (Cardiology)primary
- Critical Care (Intensivists)also
- Internal Medicinealso
- Sleep Medicinealso
Find other Cardiovascular Disease (Cardiology) doctors in Maryland →
Other cardiologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Warren Alpert Medical School Of Brown University |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659306439 |
| 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