IndividualActive
Mary O'Brien, LCPC
NPI 1588834493 · Professional Counselor · Edgewater, MD
Mary O'Brien, LCPC is a Professional Counselor provider in Edgewater, MD (NPI 1588834493).
Provider details
- NPI number
- 1588834493
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC
- Sex
- Female
- Sole proprietor
- Yes
- License
- LC1003 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1705 Longwood Rd
Edgewater, MD 21037-2320
Phone: (410) 303-2982
Fax: (410) 956-7686
Street-level locationGet directions
Mailing address
1705 Longwood Rd
Edgewater, MD 21037-2320
Registry dates
- Enumerated
- 2008-03-06
- Last updated
- 2013-03-15
Frequently asked questions
- What is Mary O'Brien's NPI number?
- Mary O'Brien's National Provider Identifier (NPI) is 1588834493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary O'Brien's specialty?
- Mary O'Brien is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mary O'Brien located?
- Mary O'Brien's practice location on file with NPPES is 1705 Longwood Rd, Edgewater, MD 21037-2320.
- What is Mary O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Mary O'Brien is (410) 303-2982.
- Is Mary O'Brien's NPI active?
- Yes — Mary O'Brien's NPI (1588834493) is active in the NPPES registry as of the last update on 2013-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.