The Capital Sleep Specialists & Diagnostic Ctr
NPI 1487742326 · Sleep Disorder Diagnostic Clinic/Center · Rockville, MD
The Capital Sleep Specialists & Diagnostic Ctr is a Sleep Disorder Diagnostic Clinic/Center organization in Rockville, MD (NPI 1487742326).
Provider details
- NPI number
- 1487742326
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mark Miller, Medical Director(301) 987-2012
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2020-08-22
Frequently asked questions
- What is The Capital Sleep Specialists & Diagnostic Ctr's NPI number?
- The Capital Sleep Specialists & Diagnostic Ctr's National Provider Identifier (NPI) is 1487742326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Capital Sleep Specialists & Diagnostic Ctr?
- The Capital Sleep Specialists & Diagnostic Ctr is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is The Capital Sleep Specialists & Diagnostic Ctr located?
- The Capital Sleep Specialists & Diagnostic Ctr's practice location on file with NPPES is 1395 Piccard Dr, Rockville, MD 20850-4348.
- What is The Capital Sleep Specialists & Diagnostic Ctr's phone number?
- The practice phone number listed in the NPPES registry for The Capital Sleep Specialists & Diagnostic Ctr is (301) 987-2012.
- Who is the authorized official for The Capital Sleep Specialists & Diagnostic Ctr?
- The authorized official listed on The Capital Sleep Specialists & Diagnostic Ctr's NPPES record is Mark Miller, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Capital Sleep Specialists & Diagnostic Ctr's NPI active?
- Yes — The Capital Sleep Specialists & Diagnostic Ctr's NPI (1487742326) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.