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ALAN COLLIER OSTBY LCPC PHD
NPI 1912019951
Counselor in Billings, MT

Active since August 31, 2006PECOS Enrolled
208 N BROADWAY, STE 423, BILLINGS, MT 59101(406) 896-8427(406) 245-5980 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alan Collier Ostby Lcpc Phd NPPES

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

ALAN COLLIER OSTBY LCPC PHD (NPI 1912019951) is an individual counselor in Billings, Montana, licensed in Montana (626LCPC) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912019951
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameALAN COLLIER OSTBYCredential: LCPC PHD
Location Address208 N BROADWAY, STE 423Billings, MT 59101
Mailing AddressPo Box 51232, Yellowstone Billing ServicesBillings, MT 59105 · (406) 245-0453 · Fax (406) 245-7257
Phone(406) 896-8427
Fax(406) 245-5980
Sole ProprietorNo
Enumeration DateAugust 31, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1912019951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in MT · 626LCPC
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
208 N BROADWAY, Billings, MT 59101
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Other Identifiers 1

Medicaid0255408MT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alan Collier Ostby Lcpc Phd 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 Alan Ostby reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Us Health Dept Of Health & Human Services
28 mi
Critical Access
PRYOR GAP ROAD
Pryor, MT 59066
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Health Dept Of Health & Human Services
  • 306 clinicians in this Medicare group
NPI 1407076219 (406) 259-9813

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 5

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

THERESA M BLAZEK LCPC
Counselor
208 N BROADWAY, STE 423 YELLOWSTONE COUNSELING CENTER
BILLINGS, MT 59101
Yellowstone County (406) 896-8427
SALLY G. GRUNST LCPC
Counselor
208 N BROADWAY, SUITE 423
BILLINGS, MT 59101
Yellowstone County (406) 896-8427
ELATION INC
Social Worker (Clinical)
208 N BROADWAY, STE 208
BILLINGS, MT 59101
Yellowstone County (406) 294-2400
ABBIGAIL MELLUM B.S, LAC
Counselor (Addiction (Substance Use Disorder))
208 N BROADWAY
BILLINGS, MT 59101
Yellowstone County (406) 794-2003
MS. KELLY L CHRISTY LCPC
Counselor
208 N BROADWAY, STE 423
BILLINGS, MT 59101
Yellowstone County (406) 896-8427

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 Alan Ostby's NPI number?

The NPI number for Alan Ostby is 1912019951. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Alan Ostby located?

Alan Ostby practices at 208 N Broadway Ste 423, Billings, MT 59101. The listed phone number is (406) 896-8427.

What is Alan Ostby's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Alan Ostby enrolled in Medicare?

Yes. Alan Ostby is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alan Ostby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alan Ostby reassigns Medicare benefits to Us Health Dept Of Health & Human Services (Pryor, MT). 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 Alan Ostby'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 Alan Ostby was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.