William L. Taibi, M.D.
Internal Medicine Physician · Port Jefferson, NY
William L. Taibi, M.D. is an internal medicine physician with a practice address in Port Jefferson, New York, and NPI 1043283062, issued on Feb 9, 2006. Check the license (New York 168693, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William L. Taibi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 168693 NY
Self-reported in NPPES; status is on the state search - Practice location
- 710 Main St, Port Jefferson, NY 11777
- Phone
- (631) 474-4000
- Enumerated
- Feb 9, 2006
- Record last updated
- Jan 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (631) 474-4011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 710 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa AtkinsSocial Worker1902402084
- Kemylee Brisport, LMSWSocial Worker1720338411
- Mark Dibenedetto, M.D.Internal Medicine Physician1619940269
- Kathleen Hanulec, LMSWClinical Social Worker1225981566
- Michelle KreboClinical Social Worker1801492905
- Shoshanah NatelsonSocial Worker1346194891
Verify William L. Taibi 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 168693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
51 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.
William L. Taibi among 12,067 internal medicine physician records in New York
William L. Taibi, 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 updated2010 · 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).
43 internal medicine physician records list a practice address in Port Jefferson
They are 43 of the 983 NPPES records with a practice address in Port Jefferson, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Port Jefferson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Norman Bennett, M.D.Port Jefferson, NY 117771700857786
- Lucien Cardinal, MDPort Jefferson, NY 117771306935150
- Mark Dibenedetto, M.D.Port Jefferson, NY 117771619940269
- Joan Faro, M.D.Port Jefferson, NY 117771083756738
- Kenneth Fishberger, MDPort Jefferson, NY 117771649291451
- Alexander Gorbatsevich, M.D.Port Jefferson, NY 117771538161005
- Mark Kropf, M.D.Port Jefferson, NY 117771104820018
- Myat Myo, M.DPort Jefferson, NY 117771295995082
Common questions
What is William L. Taibi, M.D.'s NPI number?
William L. Taibi, M.D.'s National Provider Identifier (NPI) is 1043283062, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William L. Taibi, M.D. located?
The NPPES record lists a practice address at 710 Main St, Port Jefferson, NY, 11777. Phone: (631) 474-4000. Providers update this record themselves, so call before visiting.
How can I verify William L. Taibi, M.D.'s license?
NPPES lists New York license number 168693, 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 William L. Taibi, M.D. prescribe under Medicare Part D?
In 2024, William L. Taibi, M.D. had 51 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.