JACQUELINE MARX LCSW, IBCLC
NPI 1023170438
Lactation Consultant, Non-RN in San Francisco, CA

Q: What is Jacqueline Marx's NPI number?

The NPI number for Jacqueline Marx is 1023170438. It was assigned to this individual provider in the NPPES registry on December 14, 2006.

Q: What is Jacqueline Marx's specialty?

The primary specialty registered for this NPI is Lactation Consultant, Non-RN with taxonomy code 174N00000X.

Q: When was this NPI record last updated?

The NPPES record for Jacqueline Marx was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 14, 2006

450 SCOTT ST, SAN FRANCISCO, CA 94117(415) 420-3204 Get Directions Write a Review

NPPES record last updated: September 22, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Jacqueline Marx Lcsw, Ibclc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACQUELINE MARX LCSW, IBCLC (NPI 1023170438) is an individual lactation consultant, non-rn provider in San Francisco, California, licensed in California (L-28341) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1023170438

Entity TypeIndividualFemale

Primary Taxonomy174N00000X

Provider Legal NameJACQUELINE MARXCredential: LCSW, IBCLC

Location Address450 SCOTT STSan Francisco, CA 94117-2323

Mailing Address450 Scott StSan Francisco, CA 94117-2323

Phone(415) 420-3204

Sole ProprietorYes

Enumeration DateDecember 14, 2006

Last NPPES UpdateSeptember 22, 2025

NPPES CertifiedSeptember 22, 2025

✔ NPI 1023170438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyLactation Consultant, Non-RNOther Service Providers

Taxonomy Code174N00000X

License✔ Licensed in CA · L-28341

Definition

An individual trained to provide breastfeeding assistance services to both mothers and infants. Lactation Consultants are not required to be nurses and are trained through specific courses of education. The Lactation Consultant may have additional certification through a national or international organization.

Also ListedSocial WorkerTaxonomy 104100000X · License LCSW25907 (CA)

450 SCOTT ST, San Francisco, CA 94117

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jacqueline Marx's NPI number?

The NPI number for Jacqueline Marx is 1023170438. It was assigned to this individual provider in the NPPES registry on December 14, 2006.

Where is Jacqueline Marx located?

Jacqueline Marx practices at 450 Scott St, San Francisco, CA 94117. The listed phone number is (415) 420-3204.

What is Jacqueline Marx's specialty?

The primary specialty registered for this NPI is Lactation Consultant, Non-RN with taxonomy code 174N00000X.

When was this NPI record last updated?

The NPPES record for Jacqueline Marx was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.