IndividualActive
Clarissa Shirk, LSW
NPI 1306693346 · Clinical Social Worker · Lamar, PA
Clarissa Shirk, LSW is a Clinical Social Worker provider in Lamar, PA (NPI 1306693346).
Provider details
- NPI number
- 1306693346
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LSW
- Sex
- Female
- Sole proprietor
- No
- License
- CW027483 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
4702 Nittany Valley Drive
Lamar, PA 16848
Phone: (570) 377-0151
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 454
Lamar, PA 16848-0454
Registry dates
- Enumerated
- 2024-05-06
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is Clarissa Shirk's NPI number?
- Clarissa Shirk's National Provider Identifier (NPI) is 1306693346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarissa Shirk's specialty?
- Clarissa Shirk is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Clarissa Shirk located?
- Clarissa Shirk's practice location on file with NPPES is 4702 Nittany Valley Drive, Lamar, PA 16848.
- What is Clarissa Shirk's phone number?
- The practice phone number listed in the NPPES registry for Clarissa Shirk is (570) 377-0151.
- Is Clarissa Shirk's NPI active?
- Yes — Clarissa Shirk's NPI (1306693346) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.