OrganizationActive
Washington Sleep Disorder Center, LLC
NPI 1356647994 · Sleep Specialist (PhD) · Bethesda, MD
Washington Sleep Disorder Center, LLC is a Sleep Specialist (PhD) organization in Bethesda, MD (NPI 1356647994).
Provider details
- NPI number
- 1356647994
- Entity type
- Organization
- Primary specialty
- Sleep Specialist (PhD)Other Service Providers
- Organization subpart
- No
- Authorized official
- Nirjal Nikhar, Medical Director(301) 260-7600
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4910 Moorland Ln
Bethesda, MD 20814-6208
Phone: (301) 260-7600
Fax: (240) 395-0793
Street-level locationGet directions
Mailing address
8804 Potomac Station Ln
Potomac, MD 20854-3983
Registry dates
- Enumerated
- 2011-01-30
- Last updated
- 2011-01-30
Frequently asked questions
- What is Washington Sleep Disorder Center, LLC's NPI number?
- Washington Sleep Disorder Center, LLC's National Provider Identifier (NPI) is 1356647994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Washington Sleep Disorder Center, LLC?
- Washington Sleep Disorder Center, LLC is classified in the NPPES registry as Sleep Specialist (PhD) (Other Service Providers).
- Where is Washington Sleep Disorder Center, LLC located?
- Washington Sleep Disorder Center, LLC's practice location on file with NPPES is 4910 Moorland Ln, Bethesda, MD 20814-6208.
- What is Washington Sleep Disorder Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Washington Sleep Disorder Center, LLC is (301) 260-7600.
- Who is the authorized official for Washington Sleep Disorder Center, LLC?
- The authorized official listed on Washington Sleep Disorder Center, LLC's NPPES record is Nirjal Nikhar, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Washington Sleep Disorder Center, LLC's NPI active?
- Yes — Washington Sleep Disorder Center, LLC's NPI (1356647994) is active in the NPPES registry as of the last update on 2011-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.