Mary Gross
NPI 1366169963 · Clinical Social Worker · Irwin, PA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Gross is a Clinical Social Worker provider in Irwin, PA (NPI 1366169963).
Provider details
- NPI number
- 1366169963
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- CW026438 (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
3 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
- 2022-10-24
- Last updated
- 2025-10-02
- Certified
- 2025-10-02
Frequently asked questions
- What is Mary Gross's NPI number?
- Mary Gross's National Provider Identifier (NPI) is 1366169963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Gross's specialty?
- Mary Gross is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Gross located?
- Mary Gross's practice location on file with NPPES is 25 N Thompson Ln Ste E, Irwin, PA 15642-9305.
- What is Mary Gross's phone number?
- The practice phone number listed in the NPPES registry for Mary Gross is (724) 382-4941.
- Does Mary Gross accept Medicare?
- Mary Gross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Gross's NPI active?
- Yes — Mary Gross's NPI (1366169963) is active in the NPPES registry as of the last update on 2025-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.