DR. MARGARET HAYES BAKER MD
NPI 1982970166
Internal Medicine in Idaho Falls, ID
About Dr. Margaret Hayes Baker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET HAYES BAKER MD (NPI 1982970166) is an individual internal medicine provider in Idaho Falls, Idaho, licensed in Idaho (2871752) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, is affiliated with Eastern Idaho Regional Medical Center, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Margaret Hayes Baker 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 Margaret Baker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Idaho Falls, ID 83404
- Reassigned Medicare billing, Idaho enrollment
- 56 clinicians in this Medicare group
Idaho Falls, ID 83404
- Reassigned Medicare billing, Idaho enrollment
- 6 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Eastern Idaho Regional Medical Center
Acute Care Hospitals · Idaho Falls, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Baker's NPI number?
The NPI number for Margaret Baker is 1982970166. It was assigned to this individual provider in the NPPES registry on April 1, 2012.
Where is Margaret Baker located?
Margaret Baker practices at 2860 Channing Way Ste 221, Idaho Falls, ID 83404. The listed phone number is (208) 535-4000.
What is Margaret Baker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Margaret Baker enrolled in Medicare?
Yes. Margaret Baker 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 Margaret Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Baker reassigns Medicare benefits to 2 organizations: Utah Regional Hospitalists LLC (Idaho Falls, ID) and East Falls Family Medicine, LLC (Idaho Falls, ID). 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 Margaret Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Baker accept?
Health plans from Cigna Healthcare, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Margaret Baker 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 Margaret Baker affiliated with any hospitals?
According to CMS data, Margaret Baker is affiliated with Eastern Idaho Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Baker was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Margaret Hayes Baker, MD · NPI 1982970166
Internal Medicine physician in Idaho Falls, Idaho. Individual provider, active in the CMS NPPES registry since April 1, 2012.
## Identity
- **NPI:** 1982970166 (Entity type: Individual)
- **Enumerated:** April 1, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2871752 (Idaho)
- **Sole proprietor:** No
## Practice location
- **Address:** 2860 CHANNING WAY STE 221, Idaho Falls, ID 83404-7541
- **Phone:** (208) 535-4000 · **Fax:** (208) 535-4014
## 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): Utah Regional Hospitalists LLC (NPI 1740715507, Idaho Falls, ID); East Falls Family Medicine, LLC (NPI 1619221405, Idaho Falls, ID) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1982970166) · Data from the CMS NPPES public registry.