MARGARET COOK MD
NPI 1417124371
Internal Medicine in The Dalles, OR
About Margaret Cook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET COOK MD (NPI 1417124371) is an individual internal medicine provider in The Dalles, Oregon, licensed in Oregon (MD126103) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Methodist Medical Center Of Oak Ridge, and is a graduate of Northeastern Ohio University College Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
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
Margaret 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 Reassignment
Medicare enrollment records show Margaret Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lawrenceburg, IN 47025
- Reassigned Medicare billing, Tennessee enrollment
- 394 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 4
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.
Methodist Medical Center Of Oak Ridge
Acute Care Hospitals · Oak Ridge, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97058 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
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.
THE DALLES, OR 97058
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 Margaret Cook's NPI number?
The NPI number for Margaret Cook is 1417124371. It was assigned to this individual provider in the NPPES registry on May 9, 2008.
Where is Margaret Cook located?
Margaret Cook practices at 1700 E 19th St, The Dalles, OR 97058. The listed phone number is (541) 296-1111.
What is Margaret Cook's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Margaret Cook enrolled in Medicare?
Yes. Margaret 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 organization bills Medicare for Margaret Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Cook reassigns Medicare benefits to Hospital Medicine Services Of Tennessee PC (Lawrenceburg, IN). 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 Margaret Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Margaret Cook affiliated with any hospitals?
According to CMS data, Margaret Cook is affiliated with Methodist Medical Center Of Oak Ridge.
When was this NPI record last updated?
The NPPES record for Margaret Cook was last updated on January 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Margaret Cook, MD · NPI 1417124371
Internal Medicine physician in The Dalles, Oregon. Individual provider, active in the CMS NPPES registry since May 9, 2008.
## Identity
- **NPI:** 1417124371 (Entity type: Individual)
- **Enumerated:** May 9, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD126103 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 E 19TH ST, The Dalles, OR 97058-3317
- **Phone:** (541) 296-1111
## 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:** Hospital Medicine Services Of Tennessee PC (NPI 1528433802, Lawrenceburg, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northeastern Ohio University College Of Medicine, class of 2006
## Record status
- **NPPES last updated:** January 22, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1417124371) · Data from the CMS NPPES public registry.