Dayone Center, Walnut Creek
NPI 1679851992 · Lactation Consultant (Registered Nurse) · Walnut Creek, CA
Dayone Center, Walnut Creek is a Lactation Consultant (Registered Nurse) organization in Walnut Creek, CA (NPI 1679851992).
Provider details
- NPI number
- 1679851992
- Entity type
- Organization
- Primary specialty
- Lactation Consultant (Registered Nurse)Nursing Service Providers
- Parent organization
- Dayone Centers, Inc
- Organization subpart
- Yes
- Authorized official
- Nancy Held, Vp Clinical & Education Services(415) 309-5830
Specialties & taxonomies
Nursing Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2011-08-03
- Last updated
- 2011-08-03
Frequently asked questions
- What is Dayone Center, Walnut Creek's NPI number?
- Dayone Center, Walnut Creek's National Provider Identifier (NPI) is 1679851992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dayone Center, Walnut Creek?
- Dayone Center, Walnut Creek is classified in the NPPES registry as Lactation Consultant (Registered Nurse) (Nursing Service Providers).
- Where is Dayone Center, Walnut Creek located?
- Dayone Center, Walnut Creek's practice location on file with NPPES is 1403 N Main St, Walnut Creek, CA 94596-4604.
- What is Dayone Center, Walnut Creek's phone number?
- The practice phone number listed in the NPPES registry for Dayone Center, Walnut Creek is (925) 933-3291.
- Who is the authorized official for Dayone Center, Walnut Creek?
- The authorized official listed on Dayone Center, Walnut Creek's NPPES record is Nancy Held, Vp Clinical & Education Services. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dayone Center, Walnut Creek's NPI active?
- Yes — Dayone Center, Walnut Creek's NPI (1679851992) is active in the NPPES registry as of the last update on 2011-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.