Jon Stephan, MD
Anesthesiology Physician · Portland, OR
Jon Stephan, MD is an anesthesiology physician with a practice address in Portland, Oregon, and NPI 1730196528, issued on Aug 2, 2006. Check the license (Oregon MD19821, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jon Stephan
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- MD19821 OR
Self-reported in NPPES; status is on the state search - Practice location
- 10123 SE Market St, Portland, OR 97216
- Phone
- (503) 257-2500
- Enumerated
- Aug 2, 2006
- Record last updated
- Feb 6, 2024
- Medicaid IDs
- 081070 OR
8195232 WA - Medicare enrollment
- Enrolled (PECOS I20101029000689); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 969 in Oregon → Look up another NPI →
Also registered at 10123 SE Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maureen Bailey, P.A.Medical Physician Assistant1841744133
- Claire Barnes, M.S., CCC-SLPSpeech-Language Pathologist1194037234
- Carson Bauder, MDFamily Medicine Physician1528265949
Verify Jon Stephan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD19821Check 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
- Portland Adventist Medical CenterPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon Stephan among 969 anesthesiology physician records in Oregon
Jon Stephan, MD 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
- Graduated1992 · median 2009 among the 627 with a school on file
- Record last updated2024 · 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
- Richard Chang, M.D.Portland, OR 972161568752921
- Catherine Doil, MDPortland, OR 972161316272818
- Scott Finkelstein, MDPortland, OR 972161326250028
- Gregory Ford, D.O.Portland, OR 972161710177084
- Andrea Klein, MDPortland, OR 972161760433932
- Manda Lai, MDPortland, OR 972161568755031
- Sylvia Li, MDPortland, OR 972161598182586
- Todd Payne, D.O.Portland, OR 972161699090233
Common questions
What is Jon Stephan, MD's NPI number?
Jon Stephan, MD's National Provider Identifier (NPI) is 1730196528, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jon Stephan, MD located?
The NPPES record lists a practice address at 10123 SE Market St, Portland, OR, 97216. Phone: (503) 257-2500. Providers update this record themselves, so call before visiting.
How can I verify Jon Stephan, MD's license?
NPPES lists Oregon license number MD19821, 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.