Lloyd Ian Wasserman, M.D.
Internal Medicine Physician · New York, NY
Lloyd Ian Wasserman, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1154484384, issued on Dec 19, 2006. Check the license (New York 198057, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Lloyd Ian Wasserman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 198057 NY
Self-reported in NPPES; status is on the state search - Practice location
- 462 1St Ave, New York, NY 10016
- Phone
- (212) 562-1686
- Enumerated
- Dec 19, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 562-1665
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 462 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Leeja AbrahamPharmacist1386195899
- Catherine Abreu, NPAdult Health Nurse Practitioner1578950622
- David AbudahoudPharmacist1427822709
Verify Lloyd Ian Wasserman 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 198057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Lloyd Ian Wasserman among 12,067 internal medicine physician records in New York
Lloyd Ian Wasserman, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 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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- Joseph Devito, MDNew York, NY 100161154329514
- Jeffrey Friedman, MDNew York, NY 100161790783157
- Michael Glasser, MDNew York, NY 100161164421947
Common questions
What is Lloyd Ian Wasserman, M.D.'s NPI number?
Lloyd Ian Wasserman, M.D.'s National Provider Identifier (NPI) is 1154484384, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lloyd Ian Wasserman, M.D. located?
The NPPES record lists a practice address at 462 1St Ave, New York, NY, 10016. Phone: (212) 562-1686. Providers update this record themselves, so call before visiting.
How can I verify Lloyd Ian Wasserman, M.D.'s license?
NPPES lists New York license number 198057, 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 Lloyd Ian Wasserman, M.D. prescribe under Medicare Part D?
In 2024, Lloyd Ian Wasserman, M.D. had 17 Medicare Part D claims; 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.