Nathan A. Carden, DO
Anesthesiology Physician · Portland, OR
Nathan A. Carden, DO is an anesthesiology physician with a practice address in Portland, Oregon, and NPI 1558340794, issued on Jan 16, 2006. Check the license (Oregon DO186090, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan A. Carden
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- DO186090 OR
43591 CO
Self-reported in NPPES; status is on the state search - Practice location
- 707 SW Washington St Ste 700, Portland, OR 97205
- Phone
- (503) 299-9906
- Enumerated
- Jan 16, 2006
- Record last updated
- Oct 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (503) 225-9002
- Medicaid IDs
- 00172731 CO
500738408 OR - Medicare enrollment
- Enrolled (PECOS I20050926000531); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2001
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 969 in Oregon → Look up another NPI →
Also registered at 707 SW Washington St Ste 700
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas AbbatielloAnesthesiology Physician1053848150
- Eric Abhold, M.D.Anesthesiology Physician1770963381
- Kareem Aggour, M.D.Anesthesiology Physician1417223835
- Deborah Agustin, CAAAnesthesiologist Assistant1649618166
- Sarah Al-Hakim, MDAnesthesiology Physician1336464254
- Evan Alldredge, MDAnesthesiology Physician1194276931
Verify Nathan A. Carden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO186090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Timberline Anesthesia Partners LLCMontrose, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan A. Carden among 969 anesthesiology physician records in Oregon
Nathan A. Carden, DO is one of 969 anesthesiology physician 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 52% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2001 · median 2009 among the 627 with a school on file
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
578 anesthesiology physician records list a practice address in Portland
They are 578 of the 42,088 NPPES records with a practice address in Portland, and 969 anesthesiology physician records in Oregon.
All 969 in Oregon → Every provider in Portland → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Brent Andersen, MDPortland, OR 972051013981216
- Ying-Hao Au, DOPortland, OR 972051225002439
- Neil Jeffery Axel, MDPortland, OR 972051194799304
- Michael Berry, MDPortland, OR 972051578537577
- Elizabeth Billerbeck, MDPortland, OR 972051538133749
- Bruce Bolton, MDPortland, OR 972051053385260
- Thomas Box, MDPortland, OR 972051861466088
- Matthew Buckon, MDPortland, OR 972051013981232
Common questions
What is Nathan A. Carden, DO's NPI number?
Nathan A. Carden, DO's National Provider Identifier (NPI) is 1558340794, issued on Jan 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan A. Carden, DO located?
The NPPES record lists a practice address at 707 SW Washington St Ste 700, Portland, OR, 97205. Phone: (503) 299-9906. Providers update this record themselves, so call before visiting.
How can I verify Nathan A. Carden, DO's license?
NPPES lists Oregon license number DO186090, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.
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.