James Mast, M.A.
NPI 1902139439 · Professional Counselor · Sellersville, PA
James Mast, M.A. is a Professional Counselor provider in Sellersville, PA (NPI 1902139439).
Provider details
- NPI number
- 1902139439
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Male
- Sole proprietor
- No
- License
- PC010693 (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
16 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
- 2009-09-16
- Last updated
- 2018-09-24
Frequently asked questions
- What is James Mast's NPI number?
- James Mast's National Provider Identifier (NPI) is 1902139439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mast's specialty?
- James Mast is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is James Mast located?
- James Mast's practice location on file with NPPES is 807 Lawn Ave, Sellersville, PA 18960-1549.
- What is James Mast's phone number?
- The practice phone number listed in the NPPES registry for James Mast is (215) 257-6551.
- Is James Mast's NPI active?
- Yes — James Mast's NPI (1902139439) is active in the NPPES registry as of the last update on 2018-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.