Edward Chaplain, MD
Family Medicine Physician · Portland, OR
Edward Chaplain, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1275559940, issued on Jul 14, 2006. Check the license (Oregon MD25602, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Edward Chaplain
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD25602 OR
MD00045134 WA
Self-reported in NPPES; status is on the state search - Practice location
- 839 NE Holladay St, Portland, OR 97232
- Phone
- (503) 203-0700
- Enumerated
- Jul 14, 2006
- Record last updated
- Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 500618677 OR
- Medicare enrollment
- Enrolled (PECOS I20120124000985); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 839 NE Holladay St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Duy Tran, M.D.Family Medicine Physician1134115512
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- Jean-Huei Yau, MDFamily Medicine Physician1346603792
Verify Edward Chaplain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25602Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average family medicine physician in 2024
6,412 Medicare Part D claims for 410 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 486 claims were for opioids.
Most prescribed
- Atorvastatin Calcium518 claims
- Oxycodone Hcl258 claims
- Amlodipine Besylate227 claims
- Lisinopril198 claims
- Levothyroxine Sodium194 claims
- Metoprolol Succinate175 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Edward Chaplain among 2,847 family medicine physician records in Oregon
Edward Chaplain, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2009 among the 1,671 with a school on file
- Record last updated2020 · 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).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kerry Callahan, M.D.Portland, OR 972321902871932
- Karen Cooper, D.O.Portland, OR 972321487646238
- Brigitte Engelhardt, MDPortland, OR 972321629130232
- David Hays, MDPortland, OR 972321396765087
- Vesna Jovanovic, MDPortland, OR 972321780640508
- Lyndsey McCartney, M.D.Portland, OR 972321568585859
- Deborah Murphy, M.D.Portland, OR 972321073588471
- Bonnie Reagan, M.D.Portland, OR 972321255306205
Common questions
What is Edward Chaplain, MD's NPI number?
Edward Chaplain, MD's National Provider Identifier (NPI) is 1275559940, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Edward Chaplain, MD located?
The NPPES record lists a practice address at 839 NE Holladay St, Portland, OR, 97232. Phone: (503) 203-0700. Providers update this record themselves, so call before visiting.
How can I verify Edward Chaplain, MD's license?
NPPES lists Oregon license number MD25602, 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 Edward Chaplain, MD prescribe under Medicare Part D?
In 2024, Edward Chaplain, MD had 6,412 Medicare Part D claims for 410 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Edward Chaplain, MD's MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.