Registry data as of Aug 27, 2026

Choyin Chung, M.D.

Surgery Physician · Baltimore, MD

Choyin Chung, M.D. is a surgery physician with a practice address in Baltimore, Maryland, and NPI 1326468711, issued on Apr 23, 2014. Check the license (Maryland D0094907, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1326468711
Name
Choyin Chung
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
D0094907 MD
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 328-9878
Enumerated
Apr 23, 2014
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.
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Also registered at 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPFamily Nurse Practitioner1033781117

Verify Choyin Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0094907
    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 Maryland 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.

The practice group's Medicare quality score for 2023: 100 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.

  1. Qualityout of 100 · 30% of the final score
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $105.08

1 payment, mostly food and beverage; the largest payer was Penumbra, Inc.. The 19,002 providers of this specialty with any payment received $3,758.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Choyin Chung$105.08
  2. Specialty average$3,758.86

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

One hospital or facility affiliation

  1. Shock Trauma Associates PABaltimore, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Surgery Physician providers in Maryland

There are 700 surgery physician records in Maryland.

Other surgery physician records in Maryland

  1. Sabrina Aaron, MDLanham, MD1114779980
  2. Alain AbdoBaltimore, MD1972811966
  3. Daria Abolghasemi, D.O.Baltimore, MD1265847636
  4. Niv Ad, M.D.Takoma Park, MD1982673364
  5. Gina Adrales, M.D.Lutherville, MD1063582591
  6. Arthur Affleck, MDBaltimore, MD1043715626
  7. Gopal Aggarwal, MDBaltimore, MD1629325162
  8. Sarkis Aghazarian, M.D.F.A.C.S.Baltimore, MD1376510479
  9. Ahmad Ahad, M.D.Baltimore, MD1073737615
  10. Eftikhar Akam, DOBaltimore, MD1629538616

Common questions

What is Choyin Chung, M.D.'s NPI number?

Choyin Chung, M.D.'s National Provider Identifier (NPI) is 1326468711, issued on Apr 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Choyin Chung, M.D. located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-9878. Providers update this record themselves, so call before visiting.

How can I verify Choyin Chung, M.D.'s license?

NPPES lists Maryland license number D0094907, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Choyin Chung, M.D.'s Medicare quality score?

The 2023 MIPS final score is 100 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), 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.