Regina Chiwon Lee, M.D.
Internal Medicine Physician · New York, NY
Regina Chiwon Lee, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1366657207, issued on May 14, 2007. Check the license (New York 253031-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Regina Chiwon Lee
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 253031-1 NY
MD436750 PA
MT188191 PA
Self-reported in NPPES; status is on the state search - Practice location
- 156 William St, New York, NY 10038
- Phone
- (646) 962-5665
- Enumerated
- May 14, 2007
- Record last updated
- Jul 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (646) 962-5687
- Medicare enrollment
- Enrolled (PECOS I20090904000060); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 156 William St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Regina Chiwon Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 253031-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,342 Medicare Part D claims for 232 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium363 claims
- Amlodipine Besylate97 claims
- Losartan Potassium71 claims
- Lisinopril70 claims
- Alendronate Sodium68 claims
- Metoprolol Succinate65 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: $17.59
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.
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
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Regina Chiwon Lee among 12,067 internal medicine physician records in New York
Regina Chiwon Lee, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · median 2002 among the 7,221 with a school on file
- Record last updated2018 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
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- Regina Janicik, MDNew York, NY 100381629019476
- Shaolay Jiang, M.D.New York, NY 100381588699516
- Wuhua Jing, MDNew York, NY 100381164447629
- Michael Kim, M.D.New York, NY 100381457376576
Common questions
What is Regina Chiwon Lee, M.D.'s NPI number?
Regina Chiwon Lee, M.D.'s National Provider Identifier (NPI) is 1366657207, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Regina Chiwon Lee, M.D. located?
The NPPES record lists a practice address at 156 William St, New York, NY, 10038. Phone: (646) 962-5665. Providers update this record themselves, so call before visiting.
How can I verify Regina Chiwon Lee, M.D.'s license?
NPPES lists New York license number 253031-1, 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 Regina Chiwon Lee, M.D. prescribe under Medicare Part D?
In 2024, Regina Chiwon Lee, M.D. had 2,342 Medicare Part D claims for 232 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.