NATHAN T STILLWAGON M.D.
NPI 1750511168
Emergency Medicine in Meridian, ID
About Nathan T Stillwagon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHAN T STILLWAGON M.D. (NPI 1750511168) is an individual emergency medicine provider in Meridian, Idaho, licensed in Oregon (MD184107) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Saint Alphonsus Regional Medical Center, and is a graduate of University Of Washington School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 2
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
Nathan T Stillwagon M.d. 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 Nathan Stillwagon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boise, ID 83706
- Reassigned Medicare billing, Idaho and Oregon enrollments
- Also billed through NPI 1790209898 (Oregon)
- 81 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 3
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, IDSaint Alphonsus Medical Center - Nampa
Acute Care Hospitals · Nampa, IDSaint Alphonsus Medical Center - Ontario
Acute Care Hospitals · Ontario, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 83642 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.
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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MERIDIAN, ID 83642
MERIDIAN, ID 83642
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 Nathan Stillwagon's NPI number?
The NPI number for Nathan Stillwagon is 1750511168. It was assigned to this individual provider in the NPPES registry on July 20, 2009.
Where is Nathan Stillwagon located?
Nathan Stillwagon practices at 2963 E Copper Point Dr, Meridian, ID 83642. The listed phone number is (208) 322-1730.
What is Nathan Stillwagon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nathan Stillwagon enrolled in Medicare?
Yes. Nathan Stillwagon 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 Nathan Stillwagon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Stillwagon reassigns Medicare benefits to Cep America, LLC (Boise, ID). 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 Nathan Stillwagon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nathan Stillwagon affiliated with any hospitals?
According to CMS data, Nathan Stillwagon is affiliated with Saint Alphonsus Regional Medical Center, Saint Alphonsus Medical Center - Nampa and Saint Alphonsus Medical Center - Ontario.
When was this NPI record last updated?
The NPPES record for Nathan Stillwagon was last updated on September 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Nathan T Stillwagon, M.D. · NPI 1750511168
Emergency Medicine physician in Meridian, Idaho. Individual provider, active in the CMS NPPES registry since July 20, 2009.
## Identity
- **NPI:** 1750511168 (Entity type: Individual)
- **Enumerated:** July 20, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD184107 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 2963 E COPPER POINT DR, Meridian, ID 83642-9055
- **Phone:** (208) 322-1730
## 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:** Cep America, LLC (NPI 1811357023, Boise, ID), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** September 25, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1750511168) · Data from the CMS NPPES public registry.