Spencer James Chun, MD
Family Medicine Physician · Newberg, OR
Spencer James Chun, MD is a family medicine physician with a practice address in Newberg, Oregon, and NPI 1205026556, issued on Aug 1, 2007. Check the license (Oregon MD151898, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Spencer James Chun
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD151898 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2880 Hayes St., Newberg, OR 97132
- Phone
- (503) 537-9600
- Enumerated
- Aug 1, 2007
- Record last updated
- Feb 8, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (503) 537-0105
- Medicare enrollment
- Enrolled (PECOS I20180725003070); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Verify Spencer James Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD151898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
396 Medicare Part D claims for 253 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 26 claims were for opioids.
Most prescribed
- Prednisone32 claims
- Amoxicillin-Clavulanate Potass27 claims
- Albuterol Sulfate Hfa22 claims
- Cephalexin22 claims
- Cefpodoxime Proxetil21 claims
- Ondansetron Odt18 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 one group practice
- Hawaii Permanente Medical Group IncWailuku, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer James Chun among 2,847 family medicine physician records in Oregon
Spencer James Chun, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2009 among the 1,671 with a school on file
- Record last updated2017 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Newberg
They are 24 of the 703 NPPES records with a practice address in Newberg, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Newberg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Bailey, M.D.Newberg, OR 971321295919512
- Sorin Cadar, M.D.Newberg, OR 971321376854158
- Benjamin Calvert, MDNewberg, OR 971321316195704
- John Cummings, M.D.Newberg, OR 971321003811795
- Jacquelynn Harris, D.O.Newberg, OR 971321336236868
- Michael Jaczko, DONewberg, OR 971321487647954
- Cynthia Lund, MDNewberg, OR 971321790714392
- Robert McQueen, M.D.Newberg, OR 971321215959523
Common questions
What is Spencer James Chun, MD's NPI number?
Spencer James Chun, MD's National Provider Identifier (NPI) is 1205026556, issued on Aug 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Spencer James Chun, MD located?
The NPPES record lists a practice address at 2880 Hayes St., Newberg, OR, 97132. Phone: (503) 537-9600. Providers update this record themselves, so call before visiting.
How can I verify Spencer James Chun, MD's license?
NPPES lists Oregon license number MD151898, 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 Spencer James Chun, MD prescribe under Medicare Part D?
In 2024, Spencer James Chun, MD had 396 Medicare Part D claims for 253 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.