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MEGHAN ASSENMACHER ELFSTEN SUD
NPI 1770473183
Counselor - Addiction (Substance Use Disorder) in San Rafael, CA

Active since July 07, 2025
135 PAUL DR, SAN RAFAEL, CA 94903(415) 492-4444 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Meghan Assenmacher Elfsten Sud NPPES

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

MEGHAN ASSENMACHER ELFSTEN SUD (NPI 1770473183) is an individual addiction (substance use disorder) provider in San Rafael, California, licensed in California (21993) and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1770473183
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMEGHAN ASSENMACHER ELFSTENCredential: SUD
Location Address135 PAUL DRSan Rafael, CA 94903-2023
Mailing Address657 Lovell AveMill Valley, CA 94941-1086 · (415) 652-0677
Phone(415) 492-4444
Sole ProprietorNo
Enumeration DateJuly 7, 2025
NPPES CertifiedJuly 7, 2025
✔ NPI 1770473183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · 21993
135 PAUL DR, San Rafael, CA 94903
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Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARA VASQUEZ CADCII
Counselor
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (707) 255-8001
MARCIA MAE NAY
Counselor
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (415) 526-2942
MS. ANNE MAUREEN SIMS MS.
Counselor (Mental Health)
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (650) 226-6974
JOHN BOSCO SSEMMULI SR.
Counselor (Addiction (Substance Use Disorder))
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (415) 492-4444
SUSHMA TAYLOR
Marriage & Family Therapist
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (415) 446-1923
WINNIFRED A KENNEDY
Marriage & Family Therapist
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (415) 456-6656
MRS. NICOLE A. SAVAGE RADRII
Substance Abuse Rehabilitation Facility
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (415) 454-9444
ADELAYDA MICHELLE CANIZALES
Counselor (Addiction (Substance Use Disorder))
135 PAUL DR
SAN RAFAEL, CA 94903
Marin County (415) 526-7809

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 Meghan Elfsten's NPI number?

The NPI number for Meghan Elfsten is 1770473183. It was assigned to this individual provider in the NPPES registry on July 7, 2025.

Where is Meghan Elfsten located?

Meghan Elfsten practices at 135 Paul Dr, San Rafael, CA 94903. The listed phone number is (415) 492-4444.

What is Meghan Elfsten's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Meghan Elfsten was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.