Sophana Karnchanasorn, MD
Hospitalist Physician · Portland, OR
Sophana Karnchanasorn, MD is a hospitalist physician with a practice address in Portland, Oregon, and NPI 1710165303, issued on Feb 5, 2008. Check the license (Oregon MD178284, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sophana Karnchanasorn
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- MD178284 OR
M-2255 GU
224535 MA
MD60640385 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-1164
- Enumerated
- Feb 5, 2008
- Record last updated
- Jan 22, 2026
- Fax
- (503) 494-5502
- Medicaid ID
- 500606452 OR
- Medicare enrollment
- Enrolled (PECOS I20091019000102); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 471 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Sophana Karnchanasorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD178284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average hospitalist physician in 2024
171 Medicare Part D claims for 79 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium20 claims
- Pantoprazole Sodium13 claims
- Oxycodone Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- South Sound Inpatient Physicians PLLCSpringfield, OR
- Tuality Medical Group LLCHillsboro, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sophana Karnchanasorn among 471 hospitalist physician records in Oregon
Sophana Karnchanasorn, MD is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 35% of them.
- NPI issued2008 · 35% of these records are older, 56% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2001 · median 2009 among the 400 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Oregon
There are 471 hospitalist physician records in Oregon.
All 471 in Oregon → Every provider in Portland → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Kelly Caverzagie, MDPortland, OR 972391033158084
- Priscilla Codiga, M.DPortland, OR 972391629009402
- Sima Desai, MDPortland, OR 972391649377417
- Tanja Epley, DOPortland, OR 972391336119635
- Rebecca Harrison, MDPortland, OR 972391922015841
- Mark Helfand, MDPortland, OR 972391972697522
- Alan Hunter, MDPortland, OR 972391437165982
- Elizabeth Lahti, MDPortland, OR 972391639190564
Common questions
What is Sophana Karnchanasorn, MD's NPI number?
Sophana Karnchanasorn, MD's National Provider Identifier (NPI) is 1710165303, issued on Feb 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sophana Karnchanasorn, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-1164. Providers update this record themselves, so call before visiting.
How can I verify Sophana Karnchanasorn, MD's license?
NPPES lists Oregon license number MD178284, 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.
How much does Sophana Karnchanasorn, MD prescribe under Medicare Part D?
In 2024, Sophana Karnchanasorn, MD had 171 Medicare Part D claims for 79 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions 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.
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.