ROGER A COOK MD
NPI 1003966227
Anesthesiology in Pocatello, ID
About Roger A Cook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROGER A COOK MD (NPI 1003966227) is an individual anesthesiology provider in Pocatello, Idaho, licensed in Idaho (M11396) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Portneuf Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 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
Roger A Cook 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 Reassignments
2Medicare enrollment records show Roger Cook reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pocatello, ID 83201
- Reassigned Medicare billing, Idaho enrollment
- 53 clinicians in this Medicare group
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 279 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Portneuf Medical Center
Acute Care Hospitals · Pocatello, IDOhsu Hospital And Clinics
Acute Care Hospitals · Portland, OROther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POCATELLO, ID 83201
POCATELLO, ID 83201
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 Roger Cook's NPI number?
The NPI number for Roger Cook is 1003966227. It was assigned to this individual provider in the NPPES registry on January 11, 2007.
Where is Roger Cook located?
Roger Cook practices at 777 Hospital Way, Pocatello, ID 83201. The listed phone number is (208) 239-1000.
What is Roger Cook's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Roger Cook enrolled in Medicare?
Yes. Roger Cook 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 organizations bill Medicare for Roger Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roger Cook reassigns Medicare benefits to 2 organizations: Northstar Anesthesia Of Idaho PLLC (Pocatello, ID) and University Anesthesiology Associates, LLC (Portland, OR). Each 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 Roger Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roger Cook accept?
Health plans from Moda Health Plan, Inc. list Roger Cook 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 Roger Cook affiliated with any hospitals?
According to CMS data, Roger Cook is affiliated with Portneuf Medical Center and Ohsu Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Roger Cook was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Roger A Cook, MD · NPI 1003966227
Anesthesiology physician in Pocatello, Idaho. Individual provider, active in the CMS NPPES registry since January 11, 2007.
## Identity
- **NPI:** 1003966227 (Entity type: Individual)
- **Enumerated:** January 11, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** M11396 (Idaho)
- **Sole proprietor:** No
## Practice location
- **Address:** 777 HOSPITAL WAY, Pocatello, ID 83201-5175
- **Phone:** (208) 239-1000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Northstar Anesthesia Of Idaho PLLC (NPI 1912686882, Pocatello, ID); University Anesthesiology Associates, LLC (NPI 1841217817, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** May 13, 2026
- **Other identifiers:** Medicaid 1003966227 (ID); Other 11302 (MT); Other M11396 (ID)
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Source: [NPI Profile](https://npiprofile.com/npi/1003966227) · Data from the CMS NPPES public registry.