DR. NATHAN ISBELL DNP
NPI 1659932788
Nurse Anesthetist, Certified Registered in Portland, OR
About Dr. Nathan Isbell Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHAN ISBELL DNP (NPI 1659932788) is an individual nurse anesthetist, certified registered in Portland, Oregon, licensed in Oregon (138023) and active in the NPI registry since June 2019. He is affiliated with Providence St Vincent Medical Center and is a graduate of Oregon Health Sciences University School Of Medicine (2022).
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
Dr. Nathan Isbell Dnp 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 Nathan Isbell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 419 clinicians in this Medicare group
Vancouver, WA 98664
- Reassigned Medicare billing, Oregon enrollment
- 108 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
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.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PORTLAND, OR 97210
PORTLAND, OR 97210
PORTLAND, OR 97210
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 Isbell's NPI number?
The NPI number for Nathan Isbell is 1659932788. It was assigned to this individual provider in the NPPES registry on June 28, 2019.
Where is Nathan Isbell located?
Nathan Isbell practices at 1015 NW 22nd Ave, Portland, OR 97210. The listed phone number is (360) 828-5396.
What is Nathan Isbell's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Nathan Isbell enrolled in Medicare?
Yes. Nathan Isbell 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 Nathan Isbell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Isbell reassigns Medicare benefits to 2 organizations: Hospitalist Medicine Physicians Of Washington - Tcs (Portland, OR) and Columbia Anesthesia Group P S (Vancouver, WA). 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 Nathan Isbell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nathan Isbell affiliated with any hospitals?
According to CMS data, Nathan Isbell is affiliated with Providence St Vincent Medical Center.
When was this NPI record last updated?
The NPPES record for Nathan Isbell was last updated on August 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Nathan Isbell, DNP · NPI 1659932788
Nurse Anesthetist, Certified Registered physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since June 28, 2019.
## Identity
- **NPI:** 1659932788 (Entity type: Individual)
- **Enumerated:** June 28, 2019
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 138023 (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1015 NW 22ND AVE, Portland, OR 97210-3025
- **Phone:** (360) 828-5396
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Hospitalist Medicine Physicians Of Washington - Tcs (NPI 1649816380, Portland, OR); Columbia Anesthesia Group P S (NPI 1861448235, Vancouver, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** August 2, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659932788) · Data from the CMS NPPES public registry.