Quick answers
- Which hospitals does Sean M. Macdermott work at?
- Medicare's official clinician data lists Sean M. Macdermott at 4 hospitals: Adventist Healthcare Shady Grove Medical Center, Holy Cross Germantown Hospital, Holy Cross Hospital and Suburban Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean M. Macdermott see patients?
- Medicare's clinician data lists 3 practice locations, including Kensington, MD, Lanham, MD and Arlington, VA. Call before your visit to confirm the address.
- What is Sean M. Macdermott's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does Sean M. Macdermott accept Medicare assignment?
- Yes. Medicare's clinician data says Sean M. Macdermott 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 Sean M. Macdermott offer telehealth?
- Medicare's clinician data says Sean M. Macdermott offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sean M. Macdermott?
- (301) 942-2977, as listed in official Medicare / NPI Registry data.
- What is Sean M. Macdermott's NPI number?
- 1326085432. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean M. Macdermott works
Medicare's Facility Affiliation Data lists Sean M. Macdermott at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · CCN 210057
- Holy Cross Germantown HospitalGermantown, MD · Acute Care Hospital · CCN 210065
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · CCN 210004
- Suburban HospitalBethesda, MD · Acute Care Hospital · CCN 210022
Practice locations
Addresses where Sean M. Macdermott is enrolled with Medicare (CMS data updated 2026-10-02).
- 10605 Concord St, Suite 500Kensington, MD 20895 (301) 942‑2977
- 9470 Annapolis Rd, Suite 309Lanham, MD 20706 (202) 832‑1800
- 950 N Glebe Rd, Suite 700Arlington, VA 22203
Group practices
Medicare enrollment lists Sean M. Macdermott as a member of this group (CMS data updated 2026-10-02).
- Privia Medical Group, LLC1,533 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Kensington
Clinicians with the same Medicare primary specialty in Kensington, MD — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326085432 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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