RUSSELL OLLERTON
NPI 1457915159
Psychiatry & Neurology - Psychiatry in Billings, MT
About Russell Ollerton NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUSSELL OLLERTON (NPI 1457915159) is an individual psychiatry provider in Billings, Montana, licensed in Montana (MED-PHYS-LIC-127246) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Russell Ollerton is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Russell Ollerton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 1,264 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BILLINGS, MT 59101
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 Russell Ollerton's NPI number?
The NPI number for Russell Ollerton is 1457915159. It was assigned to this individual provider in the NPPES registry on April 28, 2019.
Where is Russell Ollerton located?
Russell Ollerton practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (206) 543-6577.
What is Russell Ollerton's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Russell Ollerton enrolled in Medicare?
Yes. Russell Ollerton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Russell Ollerton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Russell Ollerton reassigns Medicare benefits to Billings Clinic (Billings, 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 Russell Ollerton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Russell Ollerton accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and PacificSource Health Plans list Russell Ollerton 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.
Is Russell Ollerton affiliated with any hospitals?
According to CMS data, Russell Ollerton is affiliated with Billings Clinic.
When was this NPI record last updated?
The NPPES record for Russell Ollerton was last updated on September 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.