NPPES file of Aug 9, 2026

Steven Tiwen Chen

Student in an Organized Health Care Education/Training Program · New York, NY

Steven Tiwen Chen is a student in an organized health care education/training program with a practice address in New York, New York, and NPI 1184328007, issued on Mar 27, 2023. Check the license with the New York board that licenses this profession; 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
1184328007
Name
Steven Tiwen Chen
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
505 E 70TH St, New York, NY 10021
Phone
(212) 746-2900
Enumerated
Mar 27, 2023
Record last updated
Mar 27, 2023
Fax
(212) 746-4609
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 505 E 70TH St

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

  1. Karen Acker, M.D.Pediatric Infectious Diseases Physician1659647881
  2. Paige Adams, MDStudent in an Organized Health Care Education/Training Program1871395772
  3. Oluwatosin Afolabi, MDStudent in an Organized Health Care Education/Training Program1477312742
  4. Nicole Agaronnik, MDStudent in an Organized Health Care Education/Training Program1205638194
  5. Ankita AgarwalHospitalist Physician1639666902
  6. Jabir AhmedStudent in an Organized Health Care Education/Training Program1841139367

Verify Steven Tiwen Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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
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76% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

45 Medicare Part D claims for 15 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Steven Chen45
  2. Specialty average185

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.

Steven Tiwen Chen among 37,241 student in an organized health care education/training program records in New York

Steven Tiwen Chen is one of 37,241 student in an organized health care education/training program records with a practice address in New York. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 36% of them.

  • NPI issued2023 · 36% of these records are older, 49% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 5% of these records are
  • Record last updated2023 · 24% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11,477 student in an organized health care education/training program records list a practice address in New York

They are 11,477 of the 98,468 NPPES records with a practice address in New York, and 37,241 student in an organized health care education/training program records in New York.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Zachary BermanNew York, NY 100211578682803
  2. Brenda Eischen, PSYDNew York, NY 100211659584316
  3. David Essig, MDNew York, NY 100211154588341
  4. Elisabeth Gordon, M.D.New York, NY 100211245495795
  5. Marian LevinsohnNew York, NY 100211992910459
  6. Aamer Malik, M.D.New York, NY 100211659537470
  7. Yasmine Nemazee, MDNew York, NY 100211972759702
  8. Allison Newey, MBBSNew York, NY 100211437314010

Common questions

What is Steven Tiwen Chen's NPI number?

Steven Tiwen Chen's National Provider Identifier (NPI) is 1184328007, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Steven Tiwen Chen located?

The NPPES record lists a practice address at 505 E 70TH St, New York, NY, 10021. Phone: (212) 746-2900. Providers update this record themselves, so call before visiting.

How can I verify Steven Tiwen Chen's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Steven Tiwen Chen prescribe under Medicare Part D?

In 2024, Steven Tiwen Chen had 45 Medicare Part D claims for 15 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.