Sean O'Brien
NPI 1366182925 · Addiction (Substance Use Disorder) Counselor · Towson, MD
Sean O'Brien is a Addiction (Substance Use Disorder) Counselor provider in Towson, MD (NPI 1366182925).
Provider details
- NPI number
- 1366182925
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- ADT2481 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-03-31
- Last updated
- 2022-03-31
- Certified
- 2022-03-31
Frequently asked questions
- What is Sean O'Brien's NPI number?
- Sean O'Brien's National Provider Identifier (NPI) is 1366182925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean O'Brien's specialty?
- Sean O'Brien is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Sean O'Brien located?
- Sean O'Brien's practice location on file with NPPES is 8600 La Salle Rd, Towson, MD 21286-2001.
- What is Sean O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Sean O'Brien is (410) 773-0500.
- Is Sean O'Brien's NPI active?
- Yes — Sean O'Brien's NPI (1366182925) is active in the NPPES registry as of the last update on 2022-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.