NPPES file of Aug 9, 2026

Winston Wen-Chen Chung, M.D.

Psychiatry Physician · Portland, ME

Winston Wen-Chen Chung, M.D. is a psychiatry physician with a practice address in Portland, Maine, and NPI 1881960417, issued on Mar 28, 2012. Check the license (Maine MD27335, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881960417
Name
Winston Wen-Chen Chung
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
MD27335 ME
042.0013368 VT
Self-reported in NPPES; status is on the state search
Practice location
37 Andover RD, Portland, ME 04102
Phone
(207) 661-3600
Enumerated
Mar 28, 2012
Record last updated
Sep 28, 2023
Medicare enrollment
Enrolled (PECOS I20230829000704); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2012
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 37 Andover RD

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

  1. Peri AkchurinChild & Adolescent Psychiatry Physician1508359910
  2. Carissa Cavallaro, LCSWClinical Social Worker1033673645
  3. Miles Cleary, LCSWClinical Social Worker1508222951
  4. Hailey DavisOccupational Therapist1942705686
  5. Angela Evans, BCBABehavior Analyst1538971759
  6. Emma Gerrol, LCSWClinical Social Worker1649056078

Verify Winston Wen-Chen Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD27335
    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 Maine license search

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64% fewer Medicare Part D claims than the average psychiatry physician in 2024

361 Medicare Part D claims for 45 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Winston Chung361
  2. Specialty average1,000

Most prescribed

  1. Clonazepam40 claims
  2. Aripiprazole29 claims
  3. Fluoxetine Hcl28 claims
  4. Lithium Carbonate Er25 claims
  5. Risperidone19 claims
  6. Sertraline Hcl16 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

93 psychiatry physician records list a practice address in Portland

They are 93 of the 6,022 NPPES records with a practice address in Portland, and 326 psychiatry physician records in Maine.

Other psychiatry physician records in Maine

  1. Kathleen Abernathy, M.D.Yarmouth, ME1013169481
  2. Mac Abernathy, M.D.Rockport, ME1093009219
  3. Andres Abreu, MDSouth Portland, ME1871939710
  4. Stephen Adams, D.O.Augusta, ME1548352768
  5. Deepika Agrawal, M.D.Waterville, ME1689773079
  6. Arlene Almazan, MDSkowhegan, ME1053426387
  7. Vijay Amarendran, MDBrewer, ME1669660015
  8. Harold Amsel, MDEllsworth, ME1023228327
  9. Robert Anderson, MDWaterville, ME1073535530
  10. Hilary Andrew, MDPortland, ME1902177272

Common questions

What is Winston Wen-Chen Chung, M.D.'s NPI number?

Winston Wen-Chen Chung, M.D.'s National Provider Identifier (NPI) is 1881960417, issued on Mar 28, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Winston Wen-Chen Chung, M.D. located?

The NPPES record lists a practice address at 37 Andover RD, Portland, ME, 04102. Phone: (207) 661-3600. Providers update this record themselves, so call before visiting.

How can I verify Winston Wen-Chen Chung, M.D.'s license?

NPPES lists Maine license number MD27335, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Winston Wen-Chen Chung, M.D. prescribe under Medicare Part D?

In 2024, Winston Wen-Chen Chung, M.D. had 361 Medicare Part D claims for 45 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is Winston Wen-Chen Chung, M.D.'s MIPS final score?

The 2023 MIPS final score is 98.1 of 100. 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.