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GENEVIEVE ALTWER
NPI 1336770288
Counselor - Mental Health in San Jose, CA

Active since January 29, 2020Opted out of Medicare · through Feb 19, 2028
3150 ALMADEN EXPY STE 223, SAN JOSE, CA 95118(408) 375-5141 Get Directions Write a Review

NPPES record last updated: January 29, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Genevieve Altwer NPPES

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

GENEVIEVE ALTWER (NPI 1336770288) is an individual mental health provider in San Jose, California, licensed in California (116864) and active in the NPI registry since January 2020. She has opted out of Medicare through February 19, 2028.

NPPES Registry Identity

NPI1336770288
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameGENEVIEVE ALTWER
Location Address3150 ALMADEN EXPY STE 223San Jose, CA 95118-1253
Mailing Address3150 Almaden Expy Ste 223San Jose, CA 95118-1253 · (408) 375-5141
Phone(408) 375-5141
Sole ProprietorYes
Enumeration DateJanuary 29, 2020
✔ NPI 1336770288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in CA · 116864
3150 ALMADEN EXPY STE 223, San Jose, CA 95118
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Genevieve Altwer has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 19, 2024 through February 19, 2028.

Opt-Out Effective DateFebruary 19, 2024
Opt-Out In Effect ThroughFebruary 19, 2028Opt-out affidavits renew automatically every two years unless cancelled

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 Genevieve Altwer's NPI number?

The NPI number for Genevieve Altwer is 1336770288. It was assigned to this individual provider in the NPPES registry on January 29, 2020.

Where is Genevieve Altwer located?

Genevieve Altwer practices at 3150 Almaden Expy Ste 223, San Jose, CA 95118. The listed phone number is (408) 375-5141.

What is Genevieve Altwer's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Genevieve Altwer enrolled in Medicare?

No. Genevieve Altwer has opted out of Medicare through February 19, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Genevieve Altwer was last updated on January 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.