William Brown, MA, CAC
NPI 1386797025 · Addiction (Substance Use Disorder) Counselor · Chester, PA
William Brown, MA, CAC is a Addiction (Substance Use Disorder) Counselor provider in Chester, PA (NPI 1386797025).
Provider details
- NPI number
- 1386797025
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MA, CAC
- Sex
- Male
- Sole proprietor
- No
- License
- 4152 (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
19 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
- 2007-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Brown's NPI number?
- William Brown's National Provider Identifier (NPI) is 1386797025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Brown's specialty?
- William Brown is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is William Brown located?
- William Brown's practice location on file with NPPES is 2600 W 9th St, Chester, PA 19013-2040.
- What is William Brown's phone number?
- The practice phone number listed in the NPPES registry for William Brown is (610) 497-7200.
- Is William Brown's NPI active?
- Yes — William Brown's NPI (1386797025) 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.