MS. YUMI IWAI
NPI 1184904120
Counselor - Mental Health in Oakland, CA

Q: What is Yumi Iwai's NPI number?

The NPI number for Yumi Iwai is 1184904120. It was assigned to this individual provider in the NPPES registry on August 23, 2011.

Q: What is Yumi Iwai's specialty?

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

Q: Is Yumi Iwai enrolled in Medicare?

No. Yumi Iwai has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Yumi Iwai was last updated on January 3, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 23, 2011Opted out of Medicare · through Jan 1, 2028

310 8TH ST STE 201, OAKLAND, CA 94607(510) 869-6028 Get Directions Write a Review

NPPES record last updated: January 3, 2017. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Ms. Yumi Iwai NPPES

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

MS. YUMI IWAI (NPI 1184904120) is an individual mental health provider in Oakland, California and active in the NPI registry since August 2011. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1184904120

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMS. YUMI IWAI

Location Address310 8TH ST STE 201Oakland, CA 94607-6527

Mailing Address310 8th St Ste 201Oakland, CA 94607-6527 · (510) 869-6028

Phone(510) 869-6028

Sole ProprietorNo

Enumeration DateAugust 23, 2011

Last NPPES UpdateJanuary 3, 2017

✔ NPI 1184904120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

310 8TH ST STE 201, Oakland, CA 94607

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Yumi Iwai 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 January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 20

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

MR. ERIC ADRIAN YUAN MS

Counselor (Mental Health)