Jennifer Sum
NPI 1639695620 · Addiction (Substance Use Disorder) Counselor · Anaheim, CA
Jennifer Sum is a Addiction (Substance Use Disorder) Counselor provider in Anaheim, CA (NPI 1639695620).
Provider details
- NPI number
- 1639695620
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- 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
8 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
- 2017-08-21
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Jennifer Sum's NPI number?
- Jennifer Sum's National Provider Identifier (NPI) is 1639695620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Sum's specialty?
- Jennifer Sum is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jennifer Sum located?
- Jennifer Sum's practice location on file with NPPES is 710 N Anaheim Blvd, Anaheim, CA 92805-2651.
- What is Jennifer Sum's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Sum is (714) 776-7490.
- Is Jennifer Sum's NPI active?
- Yes — Jennifer Sum's NPI (1639695620) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.