OrganizationActive
Kaiser Permanente
NPI 1508138439 · General Acute Care Hospital · Hayward, CA
Kaiser Permanente is a General Acute Care Hospital organization in Hayward, CA (NPI 1508138439).
Provider details
- NPI number
- 1508138439
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Melissa Ridge, Social Worker(510) 967-9097
- License
- 18006 (CA)
Specialties & taxonomies
Hospitals
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
27400 Hesperian Blvd.
Kaiser Permanente Hospital
Hayward, CA 94545-4235
Phone: (510) 784-4824
Fax: (510) 784-4686
Street-level locationGet directions
Mailing address
27400 Hesperian Blvd
Hayward, CA 94545-4235
Registry dates
- Enumerated
- 2012-02-08
- Last updated
- 2012-02-08
Frequently asked questions
- What is Kaiser Permanente's NPI number?
- Kaiser Permanente's National Provider Identifier (NPI) is 1508138439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kaiser Permanente?
- Kaiser Permanente is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is Kaiser Permanente located?
- Kaiser Permanente's practice location on file with NPPES is 27400 Hesperian Blvd., Hayward, CA 94545-4235.
- What is Kaiser Permanente's phone number?
- The practice phone number listed in the NPPES registry for Kaiser Permanente is (510) 784-4824.
- Who is the authorized official for Kaiser Permanente?
- The authorized official listed on Kaiser Permanente's NPPES record is Melissa Ridge, Social Worker. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kaiser Permanente's NPI active?
- Yes — Kaiser Permanente's NPI (1508138439) is active in the NPPES registry as of the last update on 2012-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.