Dayone Centers, Inc.
NPI 1407134729 · Lactation Consultant (Registered Nurse) · San Francisco, CA
Dayone Centers, Inc. is a Lactation Consultant (Registered Nurse) organization in San Francisco, CA (NPI 1407134729).
Provider details
- NPI number
- 1407134729
- Entity type
- Organization
- Primary specialty
- Lactation Consultant (Registered Nurse)Nursing Service Providers
- Organization subpart
- No
- Authorized official
- Nancy Held, Vp Clinical & Education Services(415) 309-5830
- License
- 393309 (CA)
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 Centers, Inc.'s NPI number?
- Dayone Centers, Inc.'s National Provider Identifier (NPI) is 1407134729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dayone Centers, Inc.?
- Dayone Centers, Inc. is classified in the NPPES registry as Lactation Consultant (Registered Nurse) (Nursing Service Providers).
- Where is Dayone Centers, Inc. located?
- Dayone Centers, Inc.'s practice location on file with NPPES is 505 Montgomery St, San Francisco, CA 94111-6529.
- What is Dayone Centers, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Dayone Centers, Inc. is (415) 874-3443.
- Who is the authorized official for Dayone Centers, Inc.?
- The authorized official listed on Dayone Centers, Inc.'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 Centers, Inc.'s NPI active?
- Yes — Dayone Centers, Inc.'s NPI (1407134729) 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.