Mary Blackwood
NPI 1649630716 · Marriage & Family Therapist · Columbia, MD
Mary Blackwood is a Marriage & Family Therapist provider in Columbia, MD (NPI 1649630716).
Provider details
- NPI number
- 1649630716
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCM492 (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
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
Mailing address
Registry dates
- Enumerated
- 2016-03-02
- Last updated
- 2019-06-04
Frequently asked questions
- What is Mary Blackwood's NPI number?
- Mary Blackwood's National Provider Identifier (NPI) is 1649630716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Blackwood's specialty?
- Mary Blackwood is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mary Blackwood located?
- Mary Blackwood's practice location on file with NPPES is 6440 Dobbin Rd Ste D, Columbia, MD 21045-4770.
- What is Mary Blackwood's phone number?
- The practice phone number listed in the NPPES registry for Mary Blackwood is (410) 730-2385.
- Is Mary Blackwood's NPI active?
- Yes — Mary Blackwood's NPI (1649630716) is active in the NPPES registry as of the last update on 2019-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.