Sharleen Fenn, SUDRC
NPI 1639891823 · Addiction (Substance Use Disorder) Counselor · Newark, CA
Sharleen Fenn, SUDRC is a Addiction (Substance Use Disorder) Counselor provider in Newark, CA (NPI 1639891823).
Provider details
- NPI number
- 1639891823
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- SUDRC
- Sex
- Female
- Sole proprietor
- Yes
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
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
- 2022-09-14
- Last updated
- 2022-09-14
- Certified
- 2022-09-14
Frequently asked questions
- What is Sharleen Fenn's NPI number?
- Sharleen Fenn's National Provider Identifier (NPI) is 1639891823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sharleen Fenn's specialty?
- Sharleen Fenn is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Sharleen Fenn located?
- Sharleen Fenn's practice location on file with NPPES is 5625 Lafayette Ave, Newark, CA 94560-1927.
- What is Sharleen Fenn's phone number?
- The practice phone number listed in the NPPES registry for Sharleen Fenn is (510) 825-7072.
- Is Sharleen Fenn's NPI active?
- Yes — Sharleen Fenn's NPI (1639891823) is active in the NPPES registry as of the last update on 2022-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.