NPPES file of Aug 9, 2026

Christopher V. Chien, M.D.

Advanced Heart Failure and Transplant Cardiology Physician · Portland, OR

Christopher V. Chien, M.D. is an advanced heart failure and transplant cardiology physician with a practice address in Portland, Oregon, and NPI 1477732535, issued on Oct 25, 2007. Check the license (Oregon MD216308, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477732535
Name
Christopher V. Chien
Credential
M.D.
Primary taxonomy
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
License numbers
MD216308 OR
219188 NC
Self-reported in NPPES; status is on the state search
Practice location
9427 SW Barnes RD Ste 495, Portland, OR 97225
Phone
(503) 962-1000
Enumerated
Oct 25, 2007
Record last updated
Mar 5, 2026
Medicare enrollment
Enrolled (PECOS I20110201000044); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9427 SW Barnes RD Ste 495

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paige Andrews, PA-CPhysician Assistant1295455087
  2. Ian Brooks, MDAnesthesiology Physician1710446745
  3. Christine Carey, PA-CPhysician Assistant1609394253
  4. Miguel Castaneda, PA-CPhysician Assistant1831899731
  5. Rebecca Combs, PA-CPhysician Assistant1184074833
  6. Olivia Connors, PA-CPhysician Assistant1639876089

Verify Christopher V. Chien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD216308
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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39% fewer Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024

1,189 Medicare Part D claims for 210 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Christopher Chien1,189
  2. Specialty average1,965

Most prescribed

  1. Spironolactone154 claims
  2. Entresto147 claims
  3. Metoprolol Succinate143 claims
  4. Torsemide103 claims
  5. Losartan Potassium64 claims
  6. Carvedilol59 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.

Industry payments in 2024: $7,829.39

21 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Inc. The 1,027 providers of this specialty with any payment received $10,265.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Chien$7,829
  2. Specialty average$10,266

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Legacy Clinics LLCTualatin, OR
  2. Legacy Good Samaritan Hospital And Medical CenterPortland, OR
  3. 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).

Christopher V. Chien among 12 advanced heart failure and transplant cardiology physician records in Oregon

Christopher V. Chien, M.D. is one of 12 advanced heart failure and transplant cardiology physician records with a practice address in Oregon. 100% 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 33% of them.

  • NPI issued2007 · 33% of these records are older, 50% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated2006 · median 2008 among the 11 with a school on file
  • Record last updated2026 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Heart Failure and Transplant Cardiology Physician providers in Oregon

There are 12 advanced heart failure and transplant cardiology physician records in Oregon.

The 8 advanced heart failure and transplant cardiology physician records with the nearest ZIP codes

  1. Jacob Abraham, M.D.Portland, OR 972251548223381
  2. Jill Gelow, M.D.Portland, OR 972251285741843
  3. Jenna Kay, M.D.Portland, OR 972251760771380
  4. Vidang Nguyen, M.D.Portland, OR 972251154663987
  5. Joshua Remick, M.D.Portland, OR 972251861697682
  6. Nalini Colaco, M.D., PH.D.Portland, OR 972391447518923
  7. Timothy Jacobson, MDPortland, OR 972391285647669
  8. Conrad Macon, M.D.Portland, OR 972391215203252

Common questions

What is Christopher V. Chien, M.D.'s NPI number?

Christopher V. Chien, M.D.'s National Provider Identifier (NPI) is 1477732535, issued on Oct 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher V. Chien, M.D. located?

The NPPES record lists a practice address at 9427 SW Barnes RD Ste 495, Portland, OR, 97225. Phone: (503) 962-1000. Providers update this record themselves, so call before visiting.

How can I verify Christopher V. Chien, M.D.'s license?

NPPES lists Oregon license number MD216308, 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 Christopher V. Chien, M.D. prescribe under Medicare Part D?

In 2024, Christopher V. Chien, M.D. had 1,189 Medicare Part D claims for 210 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. 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.