Registry data as of Aug 27, 2026

Zhong Chen, MD

Family Medicine Physician · Portland, OR

Zhong Chen, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1518609767, issued on Apr 8, 2022. Check the license (Oregon MD224398, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1518609767
Name
Zhong Chen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD224398 OR
Self-reported in NPPES; status is on the state search
Practice location
4920 N Interstate Ave, Portland, OR 97217
Phone
(503) 215-3300
Enumerated
Apr 8, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4920 N Interstate Ave

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

  1. Emily Arbuckle, PA-CPhysician Assistant1417431545
  2. Amelia Baker, MD, PHDFamily Medicine Physician1144649179
  3. Melissa Boucher, DOFamily Medicine Physician1386222495
  4. Matthew Breeze, MDFamily Medicine Physician1083655609
  5. Vanessa Casillas, PSY.D.Clinical Psychologist1235432287
  6. Amber Choruby Whiteley, PHDClinical Psychologist1952284713

Verify Zhong Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD224398
    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.

83% fewer Medicare Part D claims than the average family medicine physician in 2024

613 Medicare Part D claims for 65 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Zhong Chen613
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium48 claims
  2. Amlodipine Besylate35 claims
  3. Levothyroxine Sodium25 claims
  4. Lisinopril20 claims
  5. Metformin Hcl Er20 claims
  6. Metoprolol Tartrate17 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

  1. 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). Star ratings are CMS hospital ratings, not ratings of this provider.

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.

Other family medicine physician records in Oregon

  1. Roxana Abbott, DOPortland, OR1275799082
  2. David Abdun-Nur, M.D.Grants Pass, OR1396737847
  3. Traci Ackron, D.O.Hillsboro, OR1336588789
  4. Orlando Acosta, MDHood River, OR1912990375
  5. Michele Adamcak, D.O.Tigard, OR1114097227
  6. Standley Adamek, DOTigard, OR1144515230
  7. Harry Adamo, MDSpringfield, OR1235191412
  8. Allyson AdamsClackamas, OR1043899537
  9. Caroline Adams, MDGresham, OR1164840815
  10. Justin Adams, M.D.Medford, OR1760616866

Common questions

What is Zhong Chen, MD's NPI number?

Zhong Chen, MD's National Provider Identifier (NPI) is 1518609767, issued on Apr 8, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Zhong Chen, MD located?

The NPPES record lists a practice address at 4920 N Interstate Ave, Portland, OR, 97217. Phone: (503) 215-3300. Providers update this record themselves, so call before visiting.

How can I verify Zhong Chen, MD's license?

NPPES lists Oregon license number MD224398, 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 Zhong Chen, MD prescribe under Medicare Part D?

In 2024, Zhong Chen, MD had 613 Medicare Part D claims for 65 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), loaded Aug 27, 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) 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 27, 2026.