Ann Sizer
NPI 1629835657 · Case Manager/Care Coordinator · Menifee, CA
Ann Sizer is a Case Manager/Care Coordinator provider in Menifee, CA (NPI 1629835657).
Provider details
- NPI number
- 1629835657
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- A042541016 (CA)
Specialties & taxonomies
Other Service Providers
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
2 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
- 2024-03-05
- Last updated
- 2024-05-30
- Certified
- 2024-05-30
Frequently asked questions
- What is Ann Sizer's NPI number?
- Ann Sizer's National Provider Identifier (NPI) is 1629835657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Sizer's specialty?
- Ann Sizer is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Ann Sizer located?
- Ann Sizer's practice location on file with NPPES is 28218 Windsail Ct, Menifee, CA 92584-8017.
- What is Ann Sizer's phone number?
- The practice phone number listed in the NPPES registry for Ann Sizer is (951) 852-7004.
- Is Ann Sizer's NPI active?
- Yes — Ann Sizer's NPI (1629835657) is active in the NPPES registry as of the last update on 2024-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.