Michael S. Chuang, MD
Emergency Medicine Physician · Hartford, CT
Michael S. Chuang, MD is an emergency medicine physician with a practice address in Hartford, Connecticut, and NPI 1477795391, issued on Mar 25, 2009. Check the license (Connecticut 063625, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael S. Chuang
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 063625 CT
265231 NY
Self-reported in NPPES; status is on the state search - Practice location
- 80 Seymour St, Hartford, CT 06102
- Phone
- (860) 972-0000
- Enumerated
- Mar 25, 2009
- Record last updated
- Jun 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 80 Seymour St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Matthew AgsaludStudent in an Organized Health Care Education/Training Program1053025676
Verify Michael S. Chuang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 063625Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average emergency medicine physician in 2024
130 Medicare Part D claims for 96 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen18 claims
- Prednisone12 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: $22.42
1 payment: food and beverage; the largest payer was Paratek Pharmaceuticals, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael S. Chuang among 846 emergency medicine physician records in Connecticut
Michael S. Chuang, MD is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2019 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 emergency medicine physician records list a practice address in Hartford
They are 119 of the 6,317 NPPES records with a practice address in Hartford, and 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in Hartford → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Lincoln Abbott, MDHartford, CT 061021518965433
- Harry Arters, DOHartford, CT 061021649253725
- Stanley Chartoff, M.D.Hartford, CT 061021184605198
- Joao Delgado, MDHartford, CT 061021457359523
- Michael Drescher, M.D.Hartford, CT 061021295869113
- Susan Dufel, M.D.Hartford, CT 061021467584185
- Rockman Ferrigno, MDHartford, CT 061021497774228
- Jeffrey Finkelstein, MDHartford, CT 061021245281914
Common questions
What is Michael S. Chuang, MD's NPI number?
Michael S. Chuang, MD's National Provider Identifier (NPI) is 1477795391, issued on Mar 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Chuang, MD located?
The NPPES record lists a practice address at 80 Seymour St, Hartford, CT, 06102. Phone: (860) 972-0000. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Chuang, MD's license?
NPPES lists Connecticut license number 063625, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael S. Chuang, MD prescribe under Medicare Part D?
In 2024, Michael S. Chuang, MD had 130 Medicare Part D claims for 96 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.