NPPES file of Aug 9, 2026

Joseph C. Chiang, MD

Emergency Medicine Physician · New York, NY

Joseph C. Chiang, MD is an emergency medicine physician with a practice address in New York, New York, and NPI 1699935189, issued on Jun 10, 2008. Check the license (New York 247646, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1699935189
Name
Joseph C. Chiang
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
247646 NY
A112623 CA
Self-reported in NPPES; status is on the state search
Practice location
3 E 101St St, New York, NY 10029
Phone
(212) 241-0763
Enumerated
Jun 10, 2008
Record last updated
Dec 12, 2022
Medicare enrollment
Enrolled (PECOS I20100908000923); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2006
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 3 E 101St St

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

  1. Andrew Beaufort, MDSports Medicine (Physical Medicine & Rehabilitation) Physician1245619022
  2. Constance Pezzola, PA-CPhysician Assistant1679943070
  3. Matthew Russell, PAPhysician Assistant1366951394
  4. Lior Segev, M.D.Student in an Organized Health Care Education/Training Program1467704262
  5. Neil Singh, MDEmergency Medicine Physician1114244191
  6. Rishi SoodPsychiatry Physician1356575666

Verify Joseph C. Chiang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 247646
    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 New York license search

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74% fewer Medicare Part D claims than the average emergency medicine physician in 2024

59 Medicare Part D claims for 45 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Joseph Chiang59
  2. Specialty average226

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): 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 score94.1
  2. Costout of 100 · 30%78.7
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through 2 group practices

  1. Cep America - CaliforniaWalnut Creek, CA
  2. Sutter Valley Medical FoundationModesto, CA

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

1,075 emergency medicine physician records list a practice address in New York

They are 1,075 of the 98,468 NPPES records with a practice address in New York, and 5,025 emergency medicine physician records in New York.

Other emergency medicine physician records in New York

  1. Matthew Abad, D.O.Bronx, NY1629490693
  2. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  3. Nabil AbazaidNew York, NY1578025979
  4. Ethan Abbott, DOBronx, NY1619252202
  5. Frederick Abbuhl, MDAlbany, NY1831138882
  6. Minako Abe, MDNew York, NY1578635249
  7. Benjamin Abella, MDNew York, NY1568560746
  8. Gilbert Abou Dagher, M.DNew York, NY1275743700
  9. Gallane Abraham, MDBronx, NY1275859696
  10. Joel Abraham, D.O.New Hyde Park, NY1578815437

Common questions

What is Joseph C. Chiang, MD's NPI number?

Joseph C. Chiang, MD's National Provider Identifier (NPI) is 1699935189, issued on Jun 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joseph C. Chiang, MD located?

The NPPES record lists a practice address at 3 E 101St St, New York, NY, 10029. Phone: (212) 241-0763. Providers update this record themselves, so call before visiting.

How can I verify Joseph C. Chiang, MD's license?

NPPES lists New York license number 247646, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph C. Chiang, MD prescribe under Medicare Part D?

In 2024, Joseph C. Chiang, MD had 59 Medicare Part D claims for 45 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Joseph C. Chiang, MD's MIPS final 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), 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.