Philip Callahan, LCSW-C
NPI 1487775540 · Clinical Social Worker · Baltimore, MD
Philip Callahan, LCSW-C is a Clinical Social Worker provider in Baltimore, MD (NPI 1487775540).
Provider details
- NPI number
- 1487775540
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Male
- Sole proprietor
- No
- License
- 12061 (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
- 2007-04-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Philip Callahan's NPI number?
- Philip Callahan's National Provider Identifier (NPI) is 1487775540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Callahan's specialty?
- Philip Callahan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Philip Callahan located?
- Philip Callahan's practice location on file with NPPES is 707 N Broadway, Baltimore, MD 21205-1832.
- What is Philip Callahan's phone number?
- The practice phone number listed in the NPPES registry for Philip Callahan is (443) 923-1886.
- Is Philip Callahan's NPI active?
- Yes — Philip Callahan's NPI (1487775540) 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.