Quick answers
- Which hospitals does Nabil Altememi work at?
- Medicare's official clinician data lists Nabil Altememi at 1 hospital: Sibley Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nabil Altememi see patients?
- Medicare's clinician data lists 3 practice locations, including Chevy Chase, MD and Bethesda, MD. Call before your visit to confirm the address.
- What is Nabil Altememi's specialty?
- Medicare lists Sleep Medicine as the primary specialty, and also Neurology.
- Does Nabil Altememi accept Medicare assignment?
- Yes. Medicare's clinician data says Nabil Altememi 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 Nabil Altememi offer telehealth?
- Medicare's clinician data says Nabil Altememi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Nabil Altememi?
- (301) 562-7200, as listed in official Medicare / NPI Registry data.
- What is Nabil Altememi's NPI number?
- 1699096529. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nabil Altememi works
Medicare's Facility Affiliation Data lists Nabil Altememi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · CCN 090005
Practice locations
Addresses where Nabil Altememi is enrolled with Medicare (CMS data updated 2026-10-02).
- 5454 Wisconsin Ave, Suite 1720Chevy Chase, MD 20815 (301) 562‑7200
- 6410 Rockledge Dr, Suite 600Bethesda, MD 20817
- 6931 Arlington Rd, Suite T100Bethesda, MD 20814 (301) 576‑8700
Group practices
Medicare enrollment lists Nabil Altememi as a member of these groups (CMS data updated 2026-10-02).
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- The Neurology Center27 clinicians in the group
Specialties
- Sleep Medicineprimary
- Neurologyalso
Other sleep medicine doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699096529 |
| 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