OrganizationActive
Dana E. O'Brien, PH.D., LLC
NPI 1356668164 · Psychologist · Rockville, MD
Dana E. O'Brien, PH.D., LLC is a Psychologist organization in Rockville, MD (NPI 1356668164).
Provider details
- NPI number
- 1356668164
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Dana O'Brien, Owner(301) 231-9665
- License
- 01577 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
11119 Rockville Pike
Suite 200
Rockville, MD 20852-3143
Phone: (301) 231-9665
Fax: (301) 231-0129
Approximate (ZIP-level) locationGet directions
Mailing address
11119 Rockville Pike
Rockville, MD 20852-3143
Registry dates
- Enumerated
- 2010-05-03
- Last updated
- 2017-01-09
Frequently asked questions
- What is Dana E. O'Brien, PH.D., LLC's NPI number?
- Dana E. O'Brien, PH.D., LLC's National Provider Identifier (NPI) is 1356668164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dana E. O'Brien, PH.D., LLC?
- Dana E. O'Brien, PH.D., LLC is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Dana E. O'Brien, PH.D., LLC located?
- Dana E. O'Brien, PH.D., LLC's practice location on file with NPPES is 11119 Rockville Pike, Rockville, MD 20852-3143.
- What is Dana E. O'Brien, PH.D., LLC's phone number?
- The practice phone number listed in the NPPES registry for Dana E. O'Brien, PH.D., LLC is (301) 231-9665.
- Who is the authorized official for Dana E. O'Brien, PH.D., LLC?
- The authorized official listed on Dana E. O'Brien, PH.D., LLC's NPPES record is Dana O'Brien, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dana E. O'Brien, PH.D., LLC's NPI active?
- Yes — Dana E. O'Brien, PH.D., LLC's NPI (1356668164) is active in the NPPES registry as of the last update on 2017-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.