NPPES file of Aug 9, 2026

Amy Cinyih Chen, MD

Internal Medicine Physician · Chicago, IL

Amy Cinyih Chen, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1154663532, issued on Mar 23, 2013. Check the license (Illinois 036.164618, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1154663532
Name
Amy Cinyih Chen
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036.164618 IL
Self-reported in NPPES; status is on the state search
Practice location
200 S Michigan Ave Ste 1400, Chicago, IL 60604
Phone
(312) 922-3815
Enumerated
Mar 23, 2013
Record last updated
Apr 15, 2025
Fax
(312) 922-7449
Medicare enrollment
Enrolled (PECOS I20230712002209); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2013
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.
Download card Updates feed

Also registered at 200 S Michigan Ave Ste 1400

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

  1. Steven Paterakos, DOInternal Medicine Physician1255892741

Verify Amy Cinyih Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.164618
    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 Illinois 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

68% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,005 Medicare Part D claims for 146 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Amy Chen1,005
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium117 claims
  2. Amlodipine Besylate58 claims
  3. Rosuvastatin Calcium56 claims
  4. Losartan Potassium48 claims
  5. Hydrochlorothiazide40 claims
  6. Levothyroxine Sodium37 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: $176.91

8 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amy Chen$176.91
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Michigan Avenue InternistsChicago, IL

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

Amy Cinyih Chen among 7,238 internal medicine physician records in Illinois

Amy Cinyih Chen, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 57% of them.

  • NPI issued2013 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2013 · median 2003 among the 3,580 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Patricia Bush, MDChicago, IL 606041649482464
  2. Angelo Costas, M.D.Chicago, IL 606041104874791
  3. Steven Deangeles, MDChicago, IL 606041467438630
  4. Ami Desai, M.D.Chicago, IL 606041710097795
  5. Greg Ewert, M.D.Chicago, IL 606041376591974
  6. Louis Hiotis, M.D.Chicago, IL 606041710980339
  7. Elaine Leboff-Ries, M.D.Chicago, IL 606041013965771
  8. Dominic Leung, MDChicago, IL 606041144230335

Common questions

What is Amy Cinyih Chen, MD's NPI number?

Amy Cinyih Chen, MD's National Provider Identifier (NPI) is 1154663532, issued on Mar 23, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Amy Cinyih Chen, MD located?

The NPPES record lists a practice address at 200 S Michigan Ave Ste 1400, Chicago, IL, 60604. Phone: (312) 922-3815. Providers update this record themselves, so call before visiting.

How can I verify Amy Cinyih Chen, MD's license?

NPPES lists Illinois license number 036.164618, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Amy Cinyih Chen, MD prescribe under Medicare Part D?

In 2024, Amy Cinyih Chen, MD had 1,005 Medicare Part D claims for 146 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.