IndividualActive
Charles Mason
NPI 1699828772 · Counselor · Antioch, CA
Charles Mason is a Counselor provider in Antioch, CA (NPI 1699828772).
Provider details
- NPI number
- 1699828772
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
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
1500 D St Rm 601
Antioch, CA 94509-2346
Phone: (925) 777-9550
Street-level locationGet directions
Mailing address
492 Mills Dr
Benicia, CA 94510-1415
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Mason's NPI number?
- Charles Mason's National Provider Identifier (NPI) is 1699828772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Mason's specialty?
- Charles Mason is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Charles Mason located?
- Charles Mason's practice location on file with NPPES is 1500 D St Rm 601, Antioch, CA 94509-2346.
- What is Charles Mason's phone number?
- The practice phone number listed in the NPPES registry for Charles Mason is (925) 777-9550.
- Is Charles Mason's NPI active?
- Yes — Charles Mason's NPI (1699828772) 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.