OrganizationActive
Clinical Research Group
NPI 1568821379 · Sleep Specialist (PhD) · Bethesda, MD
Clinical Research Group is a Sleep Specialist (PhD) organization in Bethesda, MD (NPI 1568821379).
Provider details
- NPI number
- 1568821379
- Entity type
- Organization
- Primary specialty
- Sleep Specialist (PhD)Other Service Providers
- Organization subpart
- No
- Authorized official
- James Perlstrom, Owner(410) 582-9300
- License
- 03368 (MD)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
5160 Pooks Hill Rd
Ste 7
Bethesda, MD 20814-2070
Phone: (410) 582-9300
Fax: (888) 863-6470
Street-level locationGet directions
Mailing address
5160 Pooks Hill Rd
Bethesda, MD 20814-2070
Registry dates
- Enumerated
- 2016-02-22
- Last updated
- 2016-02-22
Frequently asked questions
- What is Clinical Research Group's NPI number?
- Clinical Research Group's National Provider Identifier (NPI) is 1568821379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Clinical Research Group?
- Clinical Research Group is classified in the NPPES registry as Sleep Specialist (PhD) (Other Service Providers).
- Where is Clinical Research Group located?
- Clinical Research Group's practice location on file with NPPES is 5160 Pooks Hill Rd, Bethesda, MD 20814-2070.
- What is Clinical Research Group's phone number?
- The practice phone number listed in the NPPES registry for Clinical Research Group is (410) 582-9300.
- Who is the authorized official for Clinical Research Group?
- The authorized official listed on Clinical Research Group's NPPES record is James Perlstrom, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Clinical Research Group's NPI active?
- Yes — Clinical Research Group's NPI (1568821379) is active in the NPPES registry as of the last update on 2016-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.