NPPES file of Aug 9, 2026

Francis Y. Lee, MD

Orthopaedic Surgery Physician · New Haven, CT

Francis Y. Lee, MD is an orthopaedic surgery physician with a practice address in New Haven, Connecticut, and NPI 1043240997, issued on Jul 4, 2006. Check the license (Connecticut 55435, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043240997
Name
Francis Y. Lee
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
55435 CT
Self-reported in NPPES; status is on the state search
Practice location
800 Howard Ave, New Haven, CT 06519
Phone
(203) 785-2579
Enumerated
Jul 4, 2006
Record last updated
Oct 11, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161221001110); accepts Medicare assignment
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.
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Also registered at 800 Howard Ave

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

  1. Sonya Abdel-Razeq, MDMaternal & Fetal Medicine Physician1265415350
  2. Edouard Aboian, M.D.Vascular Surgery Physician1588830566
  3. Lynn Acton, MSSpeech-Language Pathologist1205817889
  4. Joseph Agostini, MDGeriatric Medicine (Internal Medicine) Physician1104832146
  5. Nita Ahuja, M.D.Surgery Physician1093779308
  6. Christina Allen, MDSports Medicine (Orthopaedic Surgery) Physician1841242351

Verify Francis Y. Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 55435
    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 Connecticut 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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,469.60

25 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Francis Lee$3,470
  2. Specialty average$23,023

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. Yale UniversityNew Haven, CT

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

Francis Y. Lee among 348 orthopaedic surgery physician records in Connecticut

Francis Y. Lee, MD is one of 348 orthopaedic surgery physician records with a practice address in Connecticut. 76% 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 21% of them.

  • NPI issued2006 · 21% of these records are older, 37% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1986 · median 2000 among the 224 with a school on file
  • Record last updated2016 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Connecticut

There are 348 orthopaedic surgery physician records in Connecticut.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Michael Baumgaertner, MDNew Haven, CT 065191538143532
  2. Gary Friedlaender, MDNew Haven, CT 065191730163171
  3. John Fulkerson, MDNew Haven, CT 065191184621419
  4. Jonathan Grauer, MDNew Haven, CT 065191962486399
  5. Peter Jokl, MDNew Haven, CT 065191073597407
  6. Michael Leslie, DONew Haven, CT 065191215147699
  7. Dieter Lindskog, MDNew Haven, CT 065191023092459
  8. Michael Medvecky, MDNew Haven, CT 065191649254079

Common questions

What is Francis Y. Lee, MD's NPI number?

Francis Y. Lee, MD's National Provider Identifier (NPI) is 1043240997, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Francis Y. Lee, MD located?

The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-2579. Providers update this record themselves, so call before visiting.

How can I verify Francis Y. Lee, MD's license?

NPPES lists Connecticut license number 55435, 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.

What is Francis Y. Lee, MD's MIPS final score?

The 2023 MIPS final score is 73.6 of 100, reported for the practice group. 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.