David Callanan, BA, CSC-AD
NPI 1588799068 · Addiction (Substance Use Disorder) Counselor · Baltimore, MD
David Callanan, BA, CSC-AD is a Addiction (Substance Use Disorder) Counselor provider in Baltimore, MD (NPI 1588799068).
Provider details
- NPI number
- 1588799068
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- BA, CSC-AD
- Sex
- Male
- Sole proprietor
- No
- License
- SC1103 (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
19 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
- 2007-02-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Callanan's NPI number?
- David Callanan's National Provider Identifier (NPI) is 1588799068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Callanan's specialty?
- David Callanan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is David Callanan located?
- David Callanan's practice location on file with NPPES is 6401 York Rd, Baltimore, MD 21212-2152.
- What is David Callanan's phone number?
- The practice phone number listed in the NPPES registry for David Callanan is (410) 887-3828.
- Is David Callanan's NPI active?
- Yes — David Callanan's NPI (1588799068) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.