GORDON MILES RIHA MD
NPI 1801002340
Surgery - Trauma Surgery in Billings, MT
About Gordon Miles Riha Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GORDON MILES RIHA MD (NPI 1801002340) is an individual trauma surgery provider in Billings, Montana, licensed in Montana (MED-PHYS-LIC-32753) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Baylor College Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses 3
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
Gordon Miles Riha Md 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 Gordon Riha 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 10
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTRoundup Memorial Healthcare
Critical Access Hospitals · Roundup, MTSheridan Memorial Hospital
Acute Care Hospitals · Sheridan, WYSagewest Health Care
Acute Care Hospitals · Riverton, WYCody Regional Health
Critical Access Hospitals · Cody, WYReferred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Gordon Riha's NPI number?
The NPI number for Gordon Riha is 1801002340. It was assigned to this individual provider in the NPPES registry on May 14, 2007.
Where is Gordon Riha located?
Gordon Riha practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.
What is Gordon Riha's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is Gordon Riha enrolled in Medicare?
Yes. Gordon Riha 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 Gordon Riha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gordon Riha 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 Gordon Riha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gordon Riha accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Gordon Riha 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 Gordon Riha affiliated with any hospitals?
According to CMS data, Gordon Riha is affiliated with Billings Clinic, Roundup Memorial Healthcare, Sheridan Memorial Hospital, Sagewest Health Care and Cody Regional Health.
When was this NPI record last updated?
The NPPES record for Gordon Riha was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.
# Gordon Miles Riha, MD · NPI 1801002340
Trauma Surgery physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since May 14, 2007.
## Identity
- **NPI:** 1801002340 (Entity type: Individual)
- **Enumerated:** May 14, 2007
- **Primary specialty:** Surgery - Trauma Surgery · taxonomy 2086S0127X
- **State license:** MED-PHYS-LIC-32753 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 N 29TH ST, Billings, MT 59101-0905
- **Phone:** (406) 238-2500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Billings Clinic (NPI 1326104845, Billings, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2007
## Record status
- **NPPES last updated:** October 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801002340) · Data from the CMS NPPES public registry.