1. Home
  2. Directory
  3. Montana
  4. Billings
  5. Counselor
  6. NPI Profile

HOLLY L DEMAREST LAC
NPI 1275886269
Counselor - Addiction (Substance Use Disorder) in Billings, MT

Active since October 16, 2012
1231 N 29TH ST, BILLINGS, MT 59101(406) 248-3175(406) 248-3821 Get Directions Write a Review

NPPES record last updated: October 16, 2012. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Holly L Demarest Lac NPPES

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

HOLLY L DEMAREST LAC (NPI 1275886269) is an individual addiction (substance use disorder) provider in Billings, Montana, licensed in Montana (1238) and active in the NPI registry since October 2012.

NPPES Registry Identity

NPI1275886269
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameHOLLY L DEMARESTCredential: LAC
Location Address1231 N 29TH STBillings, MT 59101
Mailing Address1231 N 29th StBillings, MT 59101 · (406) 248-3175 · Fax (406) 248-3821
Phone(406) 248-3175
Fax(406) 248-3821
Sole ProprietorNo
Enumeration DateOctober 16, 2012
✔ NPI 1275886269 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 MT · 1238
1231 N 29TH ST, Billings, MT 59101
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Mountain Health CO-OP.Insurance ›

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.

DR. RICK PULLEN D.O
Psychiatry & Neurology (Addiction Psychiatry)
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175
CORALEE GONI MS, MBA, MAC
Counselor (Addiction (Substance Use Disorder))
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175
RIMROCK FOUNDATION
Counselor (Addiction (Substance Use Disorder))
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175
RIMROCK FOUNDATION
Counselor (Professional)
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175
POLLY H. EAMES LAC
Counselor (Addiction (Substance Use Disorder))
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175
PAUL NASCENE
Counselor (Addiction (Substance Use Disorder))
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175
DANIELLE DUNN
Counselor (Addiction (Substance Use Disorder))
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175
MR. STEPHANIE SUE HONS LAC
Counselor (Addiction (Substance Use Disorder))
1231 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 248-3175

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 Holly Demarest's NPI number?

The NPI number for Holly Demarest is 1275886269. It was assigned to this individual provider in the NPPES registry on October 16, 2012.

Where is Holly Demarest located?

Holly Demarest practices at 1231 N 29th St, Billings, MT 59101. The listed phone number is (406) 248-3175.

What is Holly Demarest's specialty?

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

What insurance does Holly Demarest accept?

Health plans from Mountain Health CO-OP list Holly Demarest as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Holly Demarest was last updated on October 16, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.