Carol I. Chen-Johnston, MD
Cardiovascular Disease Physician · Newberg, OR
Carol I. Chen-Johnston, MD is a cardiovascular disease physician with a practice address in Newberg, Oregon, and NPI 1376630285, issued on Oct 10, 2006. Check the license (Oregon MD153235, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Carol I. Chen-Johnston
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- MD153235 OR
036-104651 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1003 Providence Drive, Newberg, OR 97132
- Phone
- (503) 537-6026
- Enumerated
- Oct 10, 2006
- Record last updated
- Nov 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (503) 537-6027
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 265 in Oregon → Look up another NPI →
Also registered at 1003 Providence Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kim Bui, MDSurgery Physician1659463511
Verify Carol I. Chen-Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD153235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
13 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Carol I. Chen-Johnston among 265 cardiovascular disease physician records in Oregon
Carol I. Chen-Johnston, MD is one of 265 cardiovascular disease physician records with a practice address in Oregon. 76% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 42% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Oregon
There are 265 cardiovascular disease physician records in Oregon.
All 265 in Oregon → Every provider in Newberg → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Theodore Foster, D.O., M.P.HNewberg, OR 971321154646610
- Kristina Moon, D.O.Newberg, OR 971321124361241
- Lian Shaw, MDNewberg, OR 971321154379576
- Scott Brodarick, M.D.McMinnville, OR 971281821055492
- Alan Hurty, M.D.McMinnville, OR 971281225020191
- Gary Greenberg, M.D.Seaside, OR 971381720070683
- Armando Camara, MDHillsboro, OR 971231851363709
- Stephanie Carter, M.D.Hillsboro, OR 971231497997407
Common questions
What is Carol I. Chen-Johnston, MD's NPI number?
Carol I. Chen-Johnston, MD's National Provider Identifier (NPI) is 1376630285, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carol I. Chen-Johnston, MD located?
The NPPES record lists a practice address at 1003 Providence Drive, Newberg, OR, 97132. Phone: (503) 537-6026. Providers update this record themselves, so call before visiting.
How can I verify Carol I. Chen-Johnston, MD's license?
NPPES lists Oregon license number MD153235, 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 Carol I. Chen-Johnston, MD prescribe under Medicare Part D?
In 2024, Carol I. Chen-Johnston, MD had 13 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.