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MR. IAN VIANU LMFT
NPI 1750714796
Marriage & Family Therapist in Oakland, CA

Active since August 13, 2013PECOS Enrolled
2577 SAN PABLO AVE, OAKLAND, CA 94612(510) 292-5698 Get Directions Write a Review

NPPES record last updated: November 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 13, 2024, Mar 17, 2018 (2 updates tracked since 2018).

About Mr. Ian Vianu Lmft NPPES

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

MR. IAN VIANU LMFT (NPI 1750714796) is an individual marriage & family therapist in Oakland, California, licensed in California (99388) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1750714796
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. IAN VIANUCredential: LMFT
Location Address2577 SAN PABLO AVEOakland, CA 94612-1159
Mailing Address3021 Telegraph Ave Ste CBerkeley, CA 94705-2072 · (510) 502-9655
Phone(510) 292-5698
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateAugust 13, 2013
Last NPPES UpdateNovember 13, 20242 updates tracked since enumeration
NPPES CertifiedNovember 13, 2024
✔ NPI 1750714796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Licenses✔ Licensed in CA · 99388✔ Licensed in CA · 83012
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 83012 (CA)
2577 SAN PABLO AVE, Oakland, CA 94612
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Secondary Practice Locations 4

Location 120094 Mission BlvdHayward, CA 94541-1237 · Phone (510) 727-9755 · Fax (510) 727-9746
Location 23021 Telegraph Ave Ste CBerkeley, CA 94705-2072 · Phone (510) 502-9655
Location 32006 Dwight Way Ste 103Berkeley, CA 94704-2633 · Phone (510) 502-9655
Location 41801 Vicente StSan Francisco, CA 94116-2923 · Phone (415) 681-3211

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Ian Vianu Lmft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759816416
PECOS Enrollment IDI20260721004153
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ian Vianu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Contra Costa County
10 mi
Family Planning, Non-Surgical
13601 SAN PABLO AVE
San Pablo, CA 94806
  • Reassigned Medicare billing, California enrollment
  • 530 clinicians in this Medicare group
NPI 1417036484 (925) 957-5429

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 17

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

ALEXANDER PATRICK HUMPHREY
Case Manager/Care Coordinator
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (510) 446-7180
MALCOLM ANDREW EWING CAADAC (INTERN)
Counselor (Addiction (Substance Use Disorder))
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (510) 446-7100
MRS. KAREN DENICE JOHNSON
Lodging
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (510) 446-7186
LIFELONG MEDICAL CARE
Community/Behavioral Health
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (510) 446-7180
ANNIE CHEN LMFT
Marriage & Family Therapist
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (510) 446-7180
GINA MARIE BULLOCK
Social Worker (Clinical)
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (925) 507-0598
EAST BAY COMMUNITY RECOVERY PROJECT
Substance Abuse Rehabilitation Facility
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (510) 446-7100
REBECCA HINES LMFT
Marriage & Family Therapist
2577 SAN PABLO AVE
OAKLAND, CA 94612
Alameda County (510) 513-3706

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 Ian Vianu's NPI number?

The NPI number for Ian Vianu is 1750714796. It was assigned to this individual provider in the NPPES registry on August 13, 2013.

Where is Ian Vianu located?

Ian Vianu practices at 2577 San Pablo Ave, Oakland, CA 94612. The listed phone number is (510) 292-5698.

What is Ian Vianu's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Ian Vianu enrolled in Medicare?

Yes. Ian Vianu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ian Vianu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ian Vianu reassigns Medicare benefits to Contra Costa County (San Pablo, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ian Vianu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ian Vianu was last updated on November 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.