Mary Chapman, LCSW
NPI 1801421557 · Clinical Social Worker · Saint Marys, PA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Chapman, LCSW is a Clinical Social Worker provider in Saint Marys, PA (NPI 1801421557).
Provider details
- NPI number
- 1801421557
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-03-03
- Last updated
- 2020-03-03
- Certified
- 2020-03-03
Frequently asked questions
- What is Mary Chapman's NPI number?
- Mary Chapman's National Provider Identifier (NPI) is 1801421557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Chapman's specialty?
- Mary Chapman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Chapman located?
- Mary Chapman's practice location on file with NPPES is 427 N Saint Marys St, Saint Marys, PA 15857-3657.
- What is Mary Chapman's phone number?
- The practice phone number listed in the NPPES registry for Mary Chapman is (814) 834-9283.
- Does Mary Chapman accept Medicare?
- Mary Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Chapman's NPI active?
- Yes — Mary Chapman's NPI (1801421557) is active in the NPPES registry as of the last update on 2020-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.