Quick answers
- Which hospitals does Byron Cooper work at?
- Medicare's official clinician data lists Byron Cooper at 1 hospital: Holy Cross Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Byron Cooper see patients?
- Medicare's clinician data lists 3 practice locations, including Rockville, MD, Olney, MD and Washington, DC. Call before your visit to confirm the address.
- What is Byron Cooper's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Internal Medicine.
- Does Byron Cooper accept Medicare assignment?
- Yes. Medicare's clinician data says Byron Cooper 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 Byron Cooper offer telehealth?
- Medicare's clinician data says Byron Cooper offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Byron Cooper?
- (301) 762-5020, as listed in official Medicare / NPI Registry data.
- What is Byron Cooper's NPI number?
- 1164484341. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Byron Cooper works
Medicare's Facility Affiliation Data lists Byron Cooper at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · CCN 210004
Practice locations
Addresses where Byron Cooper is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 Seven Locks Rd, Suite 111Rockville, MD 20854 (301) 762‑5020
- 18121 Georgia Ave, Suite 103Olney, MD 20832
- 4910 Massachusetts Ave NW, Suite 114 Grady Dc OfficeWashington, DC 20016 (202) 686‑0813
Group practices
Medicare enrollment lists Byron Cooper as a member of this group (CMS data updated 2026-10-02).
- Privia Care Center LLC287 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Internal Medicinealso
Other pulmonologists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164484341 |
| 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