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IAN G LIVINGSTON APCC
NPI 1225407919
Counselor - Addiction (Substance Use Disorder) in Grass Valley, CA

Active since September 23, 2015PECOS Enrolled
159 BRENTWOOD DR, GRASS VALLEY, CA 95945(530) 271-1140 Get Directions Write a Review

NPPES record last updated: February 11, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ian G Livingston Apcc NPPES

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

IAN G LIVINGSTON APCC (NPI 1225407919) is an individual addiction (substance use disorder) provider in Grass Valley, California, licensed in California (R1202170515) and active in the NPI registry since September 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225407919
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameIAN G LIVINGSTONCredential: APCC
Location Address159 BRENTWOOD DRGrass Valley, CA 95945-5703
Mailing Address2165 Larkspur LnRedding, CA 96002-0600 · (530) 226-7419
Phone(530) 271-1140
Sole ProprietorNo
Enumeration DateSeptember 23, 2015
Last NPPES UpdateFebruary 11, 2021
NPPES CertifiedFebruary 11, 2021
✔ NPI 1225407919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · R1202170515
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
159 BRENTWOOD DR, Grass Valley, CA 95945
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ian G Livingston Apcc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Livingston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Native American Mental Health Services Corporation
117 mi
Psychiatry
1742 OREGON STREET
Redding, CA 96001
  • Reassigned Medicare billing, California enrollment
  • 80 clinicians in this Medicare group
NPI 1073919171 (530) 646-7269

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 20

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

BREANA MARISA KEILLOR
Technician
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 460-2579
KENNETH WISEMAN
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 460-4083
SAVANNAH M WALKER
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 271-1140
SAMANTHA E SMITH RADT
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 271-1140
SOFIA M DEGRUCCIO
Technician
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 273-1140
ANDREA FIGUEROA RADT
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 273-9541
PHILLIP KRULISKY RADT
Counselor (Addiction (Substance Use Disorder))
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 878-5166
AMY JOHNSON
Counselor
159 BRENTWOOD DR
GRASS VALLEY, CA 95945
Nevada County (530) 271-1140

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 Livingston's NPI number?

The NPI number for Ian Livingston is 1225407919. It was assigned to this individual provider in the NPPES registry on September 23, 2015.

Where is Ian Livingston located?

Ian Livingston practices at 159 Brentwood Dr, Grass Valley, CA 95945. The listed phone number is (530) 271-1140.

What is Ian Livingston's specialty?

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

Is Ian Livingston enrolled in Medicare?

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

Which organization bills Medicare for Ian Livingston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ian Livingston reassigns Medicare benefits to Native American Mental Health Services Corporation (Redding, 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 Livingston'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 Livingston was last updated on February 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.