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Claudia Irwin, BA
NPI 1528253556 · Case Manager/Care Coordinator · Hayward, CA
Claudia Irwin, BA is a Case Manager/Care Coordinator provider in Hayward, CA (NPI 1528253556).
Provider details
- NPI number
- 1528253556
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Credential
- BA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
29800 Mission Blvd
Hayward, CA 94544
Phone: (510) 471-5880
Fax: (510) 782-4678
Street-level locationGet directions
Mailing address
33255 Ninth St
Union City, CA 94587
Registry dates
- Enumerated
- 2007-09-12
- Last updated
- 2007-09-12
Frequently asked questions
- What is Claudia Irwin's NPI number?
- Claudia Irwin's National Provider Identifier (NPI) is 1528253556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudia Irwin's specialty?
- Claudia Irwin is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Claudia Irwin located?
- Claudia Irwin's practice location on file with NPPES is 29800 Mission Blvd, Hayward, CA 94544.
- What is Claudia Irwin's phone number?
- The practice phone number listed in the NPPES registry for Claudia Irwin is (510) 471-5880.
- Is Claudia Irwin's NPI active?
- Yes — Claudia Irwin's NPI (1528253556) is active in the NPPES registry as of the last update on 2007-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.