Alfred Joseph Cossari, MD
Ophthalmology Physician · Port Jefferson, NY
Alfred Joseph Cossari, MD is an ophthalmology physician with a practice address in Port Jefferson, New York, and NPI 1972607000, issued on Sep 11, 2006. Check the license (New York 119075, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alfred Joseph Cossari
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 119075 NY
119075-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 311 Barnum Avenue, Port Jefferson, NY 11777
- Phone
- (631) 928-6400
- Enumerated
- Sep 11, 2006
- Record last updated
- Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (631) 928-2353
- Medicaid ID
- 222615 NY
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,822 in New York → Look up another NPI →
Verify Alfred Joseph Cossari 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 119075Check 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 ophthalmology physician in 2024
35 Medicare Part D claims, against an average of 1,518 among the 16,459 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.
Alfred Joseph Cossari among 1,822 ophthalmology physician records in New York
Alfred Joseph Cossari, MD is one of 1,822 ophthalmology 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 16% of them.
- NPI issued2006 · 16% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2020 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New York
There are 1,822 ophthalmology physician records in New York.
All 1,822 in New York → Every provider in Port Jefferson → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Donna Geiger, M.D.Port Jefferson, NY 117771821096553
- Kirolos Ibrahim, M.D.Port Jefferson, NY 117771700318821
- Richard Koty, M.D.Port Jefferson, NY 117771003923038
- Michelle Levi, M.D.Port Jefferson, NY 117771518186089
- Eric Roberts, M.D.Port Jefferson, NY 117771265549265
- Anzhelika Vaccaro, MDPort Jefferson, NY 117771114176278
- Leanne Molia, M.D.Port Jefferson Station, NY 117761003908831
- Christopher Adam, MDEast Patchogue, NY 117721962821355
Common questions
What is Alfred Joseph Cossari, MD's NPI number?
Alfred Joseph Cossari, MD's National Provider Identifier (NPI) is 1972607000, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alfred Joseph Cossari, MD located?
The NPPES record lists a practice address at 311 Barnum Avenue, Port Jefferson, NY, 11777. Phone: (631) 928-6400. Providers update this record themselves, so call before visiting.
How can I verify Alfred Joseph Cossari, MD's license?
NPPES lists New York license number 119075, 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 Alfred Joseph Cossari, MD prescribe under Medicare Part D?
In 2024, Alfred Joseph Cossari, MD had 35 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. 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.