MILLIE J. BOYD MD
NPI 1356872188
Anesthesiology in Billings, MT
About Millie J. Boyd Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MILLIE J. BOYD MD (NPI 1356872188) is an individual anesthesiology provider in Billings, Montana, licensed in Montana (99736) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Regional Medical Center, and is a graduate of University Of Washington School Of Medicine (2017).
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
Millie J. Boyd 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
3Medicare enrollment records show Millie Boyd reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cody, WY 82414
- Reassigned Medicare billing, Wyoming enrollment
- 181 clinicians in this Medicare group
Scottsbluff, NE 69361
- Reassigned Medicare billing, Nebraska enrollment
- 61 clinicians in this Medicare group
Boise, ID 83706
- Reassigned Medicare billing, Idaho enrollment
- 188 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.
Saint Alphonsus Regional Medical Center
Acute Care Hospitals · Boise, IDMedicare 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 Millie Boyd's NPI number?
The NPI number for Millie Boyd is 1356872188. It was assigned to this individual provider in the NPPES registry on March 23, 2017.
Where is Millie Boyd located?
Millie Boyd practices at 2800 10th Ave N, Billings, MT 59101. The listed phone number is (406) 238-2210.
What is Millie Boyd's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Millie Boyd enrolled in Medicare?
Yes. Millie Boyd 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 Millie Boyd's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Millie Boyd reassigns Medicare benefits to 3 organizations: West Park Hospital District (Cody, WY), Northstar Anesthesia Of Nebraska LLC (Scottsbluff, NE) and St Alphonsus Professional Medical Services LLC (Boise, 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 Millie Boyd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Millie Boyd affiliated with any hospitals?
According to CMS data, Millie Boyd is affiliated with Saint Alphonsus Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Millie Boyd was last updated on November 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Millie J. Boyd, MD · NPI 1356872188
Anesthesiology physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since March 23, 2017.
## Identity
- **NPI:** 1356872188 (Entity type: Individual)
- **Enumerated:** March 23, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 99736 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2800 10TH AVE N, Billings, MT 59101-0703
- **Phone:** (406) 238-2210
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): West Park Hospital District (NPI 1295815744, Cody, WY); Northstar Anesthesia Of Nebraska LLC (NPI 1578187670, Scottsbluff, NE); St Alphonsus Professional Medical Services LLC (NPI 1386677524, Boise, ID) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** November 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1356872188) · Data from the CMS NPPES public registry.