David Underwood, L.C.S.W.
NPI 1639380835 · Clinical Social Worker · Pittsburgh, PA
David Underwood, L.C.S.W. is a Clinical Social Worker provider in Pittsburgh, PA (NPI 1639380835).
Provider details
- NPI number
- 1639380835
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W.
- Sex
- Male
- Sole proprietor
- No
- License
- CW013324 (PA)
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
- 2007-05-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Underwood's NPI number?
- David Underwood's National Provider Identifier (NPI) is 1639380835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Underwood's specialty?
- David Underwood is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Underwood located?
- David Underwood's practice location on file with NPPES is 2121 Noblestown Rd, Pittsburgh, PA 15205-3956.
- What is David Underwood's phone number?
- The practice phone number listed in the NPPES registry for David Underwood is (412) 920-4200.
- Is David Underwood's NPI active?
- Yes — David Underwood's NPI (1639380835) 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.