Wassim Diab, MD
NPI 1821245184 · Internal Medicine Physician · Staten Island, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wassim Diab, MD is a Internal Medicine Physician provider in Staten Island, NY (NPI 1821245184).
Provider details
- NPI number
- 1821245184
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 260430 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
209 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 81 | $89 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 57 | $134 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $195 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 20 | $129 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 19 | $138 |
| Advance Care Planning, First 30 Minutes99497 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-19
- Last updated
- 2011-03-01
Frequently asked questions
- What is Wassim Diab's NPI number?
- Wassim Diab's National Provider Identifier (NPI) is 1821245184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wassim Diab's specialty?
- Wassim Diab is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wassim Diab located?
- Wassim Diab's practice location on file with NPPES is 475 Seaview Ave, Staten Island, NY 10305-3436.
- What is Wassim Diab's phone number?
- The practice phone number listed in the NPPES registry for Wassim Diab is (718) 226-6902.
- Does Wassim Diab accept Medicare?
- Wassim Diab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wassim Diab's NPI active?
- Yes — Wassim Diab's NPI (1821245184) is active in the NPPES registry as of the last update on 2011-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.