Colleen Knows Breast
NPI 1841754025 · Lactation Consultant (Registered Nurse) · Martinez, CA
Colleen Knows Breast is a Lactation Consultant (Registered Nurse) organization in Martinez, CA (NPI 1841754025).
Provider details
- NPI number
- 1841754025
- Entity type
- Organization
- Primary specialty
- Lactation Consultant (Registered Nurse)Nursing Service Providers
- Organization subpart
- No
- Authorized official
- Colleen Randolph, RN/ Lc(650) 804-0859
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
7 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
- 2019-01-22
- Last updated
- 2020-02-05
- Certified
- 2020-02-05
Frequently asked questions
- What is Colleen Knows Breast's NPI number?
- Colleen Knows Breast's National Provider Identifier (NPI) is 1841754025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Colleen Knows Breast?
- Colleen Knows Breast is classified in the NPPES registry as Lactation Consultant (Registered Nurse) (Nursing Service Providers).
- Where is Colleen Knows Breast located?
- Colleen Knows Breast's practice location on file with NPPES is 6821 Waverly Rd, Martinez, CA 94553-6263.
- What is Colleen Knows Breast's phone number?
- The practice phone number listed in the NPPES registry for Colleen Knows Breast is (650) 804-0859.
- Who is the authorized official for Colleen Knows Breast?
- The authorized official listed on Colleen Knows Breast's NPPES record is Colleen Randolph, RN/ Lc. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Colleen Knows Breast's NPI active?
- Yes — Colleen Knows Breast's NPI (1841754025) is active in the NPPES registry as of the last update on 2020-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.