Jacqueline Marx, LCSW, IBCLC
NPI 1023170438 · Lactation Consultant (Non-RN) · San Francisco, CA
Jacqueline Marx, LCSW, IBCLC is a Lactation Consultant (Non-RN) provider in San Francisco, CA (NPI 1023170438).
Provider details
- NPI number
- 1023170438
- Entity type
- Individual
- Primary specialty
- Lactation Consultant (Non-RN)Other Service Providers
- Credential
- LCSW, IBCLC
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCSW25907 (CA)
Specialties & taxonomies
Other Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-14
- Last updated
- 2025-09-22
- Certified
- 2025-09-22
Frequently asked questions
- What is Jacqueline Marx's NPI number?
- Jacqueline Marx's National Provider Identifier (NPI) is 1023170438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacqueline Marx's specialty?
- Jacqueline Marx is listed in the NPPES registry with a primary specialty of Lactation Consultant (Non-RN) (Other Service Providers).
- Where is Jacqueline Marx located?
- Jacqueline Marx's practice location on file with NPPES is 450 Scott St, San Francisco, CA 94117-2323.
- What is Jacqueline Marx's phone number?
- The practice phone number listed in the NPPES registry for Jacqueline Marx is (415) 420-3204.
- Is Jacqueline Marx's NPI active?
- Yes — Jacqueline Marx's NPI (1023170438) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.