HEATHER STEPHANIE MCMILLEN CRNA
NPI 1366770117
Nurse Anesthetist, Certified Registered in Ballwin, MO
About Heather Stephanie Mcmillen Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER STEPHANIE MCMILLEN CRNA (NPI 1366770117) is an individual nurse anesthetist, certified registered in Ballwin, Missouri, licensed in Missouri (089666) and active in the NPI registry since December 2009. She is affiliated with Santiam Hospital and is a graduate of Oregon Health Sciences University School Of Medicine (2011).
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
Heather Stephanie Mcmillen Crna 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 Heather Mcmillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mill City, OR 97360
- Reassigned Medicare billing, Oregon enrollment
- 152 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.
Santiam Hospital
Acute Care Hospitals · Stayton, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63011 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.
Other Providers at the Same Location NPPES 9
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 Heather Mcmillen's NPI number?
The NPI number for Heather Mcmillen is 1366770117. It was assigned to this individual provider in the NPPES registry on December 4, 2009.
Where is Heather Mcmillen located?
Heather Mcmillen practices at 339 Consort Dr, Ballwin, MO 63011. The listed phone number is (503) 851-7603.
What is Heather Mcmillen's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Heather Mcmillen enrolled in Medicare?
Yes. Heather Mcmillen 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 Heather Mcmillen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Mcmillen reassigns Medicare benefits to Santiam Memorial Hospital (Mill City, OR). 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 Heather Mcmillen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Heather Mcmillen affiliated with any hospitals?
According to CMS data, Heather Mcmillen is affiliated with Santiam Hospital.
When was this NPI record last updated?
The NPPES record for Heather Mcmillen was last updated on February 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Heather Stephanie Mcmillen, CRNA · NPI 1366770117
Nurse Anesthetist, Certified Registered physician in Ballwin, Missouri. Individual provider, active in the CMS NPPES registry since December 4, 2009.
## Identity
- **NPI:** 1366770117 (Entity type: Individual)
- **Enumerated:** December 4, 2009
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 089666 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 339 CONSORT DR, Ballwin, MO 63011-4439
- **Phone:** (503) 851-7603
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Santiam Memorial Hospital (NPI 1205048097, Mill City, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** February 14, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1366770117) · Data from the CMS NPPES public registry.