Yvonne Lei
Internal Medicine Physician · New York, NY
Yvonne Lei is an internal medicine physician with a practice address in New York, New York, and NPI 1770289233, issued on Feb 6, 2023. Check the license (New York 344445, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Yvonne Lei
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 344445 NY
Self-reported in NPPES; status is on the state search - Practice location
- 227 Madison St, New York, NY 10002
- Phone
- (212) 238-7000
- Enumerated
- Feb 6, 2023
- Record last updated
- May 17, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 227 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lashonda Allen, SLPSpeech-Language Pathologist1902005887
- Jennifer Alonso, LMSWSocial Worker1982880340
Verify Yvonne Lei 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 344445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
135 Medicare Part D claims for 28 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Trulicity13 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.
Yvonne Lei among 12,067 internal medicine physician records in New York
Yvonne Lei 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 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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Common questions
What is Yvonne Lei's NPI number?
Yvonne Lei's National Provider Identifier (NPI) is 1770289233, issued on Feb 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Yvonne Lei located?
The NPPES record lists a practice address at 227 Madison St, New York, NY, 10002. Phone: (212) 238-7000. Providers update this record themselves, so call before visiting.
How can I verify Yvonne Lei's license?
NPPES lists New York license number 344445, 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 Yvonne Lei prescribe under Medicare Part D?
In 2024, Yvonne Lei had 135 Medicare Part D claims for 28 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.