NPPES file of Aug 9, 2026

Nathan Isbell, DNP

Certified Registered Nurse Anesthetist · Portland, OR

Nathan Isbell, DNP is a certified registered nurse anesthetist with a practice address in Portland, Oregon, and NPI 1659932788, issued on Jun 28, 2019. Check the license (Oregon 138023, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659932788
Name
Nathan Isbell
Credential
DNP
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
138023 OR
Self-reported in NPPES; status is on the state search
Practice location
1015 NW 22ND Ave, Portland, OR 97210
Phone
(360) 828-5396
Enumerated
Jun 28, 2019
Record last updated
Aug 2, 2022
Medicare enrollment
Enrolled (PECOS I20220901003512); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest certified registered nurse anesthetist records → All 568 in Oregon → Look up another NPI →

Also registered at 1015 NW 22ND Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Temitope Adebayo, DPMStudent in an Organized Health Care Education/Training Program1043079411
  2. Darren Alexander, MDEmergency Medicine Physician1487678256
  3. Hasibullah Amir, DOStudent in an Organized Health Care Education/Training Program1093517831
  4. David Andrews, DOHospitalist Physician1144407123
  5. Reza Antoszewska, NPNurse Practitioner1770645251
  6. Jennifer Aponte, MDEmergency Medicine Physician1538180740

Verify Nathan Isbell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 138023    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Hospitalist Medicine Physicians OF Washington - TcsPortland, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nathan Isbell among 568 certified registered nurse anesthetist records in Oregon

Nathan Isbell, DNP is one of 568 certified registered nurse anesthetist records with a practice address in Oregon. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 76% of them.

  • NPI issued2019 · 76% of these records are older, 20% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2022 · median 2014 among the 384 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Oregon

There are 568 certified registered nurse anesthetist records in Oregon.

All 568 in Oregon → Every provider in Portland → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Jessica Carroll, CRNAPortland, OR 972101750683058
  2. Teresa Daly, RNPortland, OR 972101063703213
  3. Gregory Daniels, CRNAPortland, OR 972101700216611
  4. Dewi De Jarnett, CRNAPortland, OR 972101639414410
  5. Daniel JonesPortland, OR 972101437427259
  6. Michael Lopez, CRNAPortland, OR 972101124432976
  7. Justin Marayag, CRNAPortland, OR 972101912257684
  8. Jeffery Powers, CRNAPortland, OR 972101427478239

Common questions

What is Nathan Isbell, DNP's NPI number?

Nathan Isbell, DNP's National Provider Identifier (NPI) is 1659932788, issued on Jun 28, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Isbell, DNP located?

The NPPES record lists a practice address at 1015 NW 22ND Ave, Portland, OR, 97210. Phone: (360) 828-5396. Providers update this record themselves, so call before visiting.

How can I verify Nathan Isbell, DNP's license?

NPPES lists Oregon license number 138023, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.