Wassim Diab, MD
Internal Medicine Physician · Staten Island, NY
Wassim Diab, MD is an internal medicine physician with a practice address in Staten Island, New York, and NPI 1821245184, issued on Aug 19, 2008. Check the license (New York 260430, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Wassim Diab
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 260430 NY
Self-reported in NPPES; status is on the state search - Practice location
- 475 Seaview Ave, Staten Island, NY 10305
- Phone
- (718) 226-6902
- Enumerated
- Aug 19, 2008
- Record last updated
- Mar 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (718) 226-6844
- Medicaid ID
- 03063701 NY
- Medicare enrollment
- Enrolled (PECOS I20081029000084); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 475 Seaview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Wassim Diab 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 260430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- North Shore-Lij Medical PCStaten Island, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wassim Diab among 12,067 internal medicine physician records in New York
Wassim Diab, MD 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2002 among the 7,221 with a school on file
- Record last updated2011 · 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).
298 internal medicine physician records list a practice address in Staten Island
They are 298 of the 12,351 NPPES records with a practice address in Staten Island, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Staten Island → Internal Medicine Physician nationwide →
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Common questions
What is Wassim Diab, MD's NPI number?
Wassim Diab, MD's National Provider Identifier (NPI) is 1821245184, issued on Aug 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Wassim Diab, MD located?
The NPPES record lists a practice address at 475 Seaview Ave, Staten Island, NY, 10305. Phone: (718) 226-6902. Providers update this record themselves, so call before visiting.
How can I verify Wassim Diab, MD's license?
NPPES lists New York license number 260430, 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 Wassim Diab, MD prescribe under Medicare Part D?
In 2024, Wassim Diab, MD had 14 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Wassim Diab, MD's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. 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.