Merlin Sung Lee, MD
Medical Oncology Physician · Greenwich, CT
Merlin Sung Lee, MD is a medical oncology physician with a practice address in Greenwich, Connecticut, and NPI 1730292608, issued on Aug 16, 2006. Check the license (Connecticut 039562, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Merlin Sung Lee
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 039562 CT
Self-reported in NPPES; status is on the state search - Practice location
- 77 Lafayette Place, Greenwich, CT 06830
- Phone
- (203) 863-3737
- Enumerated
- Aug 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 863-3741
- Medicare enrollment
- Enrolled (PECOS I20040209000927); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 99 in Connecticut → Look up another NPI →
Verify Merlin Sung Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 039562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average medical oncology physician in 2024
1,330 Medicare Part D claims for 222 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Eliquis270 claims
- Warfarin Sodium161 claims
- Xarelto105 claims
- Hydroxyurea84 claims
- Ondansetron Odt48 claims
- Acyclovir30 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.
The MIPS final score for 2023 (Medicare payment program): 75.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $90.95
1 payment: education; the largest payer was Pfizer Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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
- Yale UniversityGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merlin Sung Lee among 99 medical oncology physician records in Connecticut
Merlin Sung Lee, MD is one of 99 medical oncology physician records with a practice address in Connecticut. 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 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 52% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1994 · median 2005 among the 66 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Connecticut
There are 99 medical oncology physician records in Connecticut.
All 99 in Connecticut → Every provider in Greenwich → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Beverly Drucker, MDGreenwich, CT 068301104834704
- Dickerman Hollister, MDGreenwich, CT 068301063420669
- William Oh, M.D.Greenwich, CT 068301225095581
- Tara Sanft, M.D.Fairfield, CT 068241730374562
- Anthony Coscia, MDNorwalk, CT 068511689666372
- Kesav Nair, M.D.Norwalk, CT 068511104811132
- Rosemary Mazanet, MDCos Cob, CT 068071477988764
- Jedd Levine, M.D.Torrington, CT 067901376578054
Common questions
What is Merlin Sung Lee, MD's NPI number?
Merlin Sung Lee, MD's National Provider Identifier (NPI) is 1730292608, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Merlin Sung Lee, MD located?
The NPPES record lists a practice address at 77 Lafayette Place, Greenwich, CT, 06830. Phone: (203) 863-3737. Providers update this record themselves, so call before visiting.
How can I verify Merlin Sung Lee, MD's license?
NPPES lists Connecticut license number 039562, 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 Merlin Sung Lee, MD prescribe under Medicare Part D?
In 2024, Merlin Sung Lee, MD had 1,330 Medicare Part D claims for 222 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Merlin Sung Lee, MD's MIPS final score?
The 2023 MIPS final score is 75.4 of 100. 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.