Marielle Warren, IBCLC
NPI 1366728719 · Lactation Consultant (Non-RN) · Mountain View, CA
Marielle Warren, IBCLC is a Lactation Consultant (Non-RN) provider in Mountain View, CA (NPI 1366728719).
Provider details
- NPI number
- 1366728719
- Entity type
- Individual
- Primary specialty
- Lactation Consultant (Non-RN)Other Service Providers
- Credential
- IBCLC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11194444 (CA)
Specialties & taxonomies
Other 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
- 2011-10-31
- Last updated
- 2011-10-31
Frequently asked questions
- What is Marielle Warren's NPI number?
- Marielle Warren's National Provider Identifier (NPI) is 1366728719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marielle Warren's specialty?
- Marielle Warren is listed in the NPPES registry with a primary specialty of Lactation Consultant (Non-RN) (Other Service Providers).
- Where is Marielle Warren located?
- Marielle Warren's practice location on file with NPPES is 285 Monroe Dr, Mountain View, CA 94040-1015.
- What is Marielle Warren's phone number?
- The practice phone number listed in the NPPES registry for Marielle Warren is (650) 200-3972.
- Is Marielle Warren's NPI active?
- Yes — Marielle Warren's NPI (1366728719) is active in the NPPES registry as of the last update on 2011-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.