Wadah Atassi, MD
NPI 1336125327 · Nephrology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wadah Atassi, MD is a Nephrology Physician provider in Chicago, IL (NPI 1336125327).
Provider details
- NPI number
- 1336125327
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036081178 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
832 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 159 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 125 | $122 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 97 | $361 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 71 | $298 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 63 | $17 |
| Insertion of Needle And/Or Tube Into Hemodialysis Circuit and Balloon Dilation of Dialysis Segment With Review By Radiologist |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 89 | 21 |
| Torsemide | 75 | 20 |
| Empagliflozinbrand: Jardiance | 68 | 17 |
| Calcitriol | 38 | 11 |
| Spironolactone | 36 | 11 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 31 | — |
| Carvedilol | 30 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$312 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2055 W Army Trail Rd Ste 110eAddison, IL 60101-1478Phone: (773) 483-2200Fax: (773) 483-2201
- 6307 S Stewart Ave Ste 210Chicago, IL 60621-3116Phone: (773) 483-2200Fax: (773) 483-2201
Registry dates
- Enumerated
- 2005-12-21
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Wadah Atassi's NPI number?
- Wadah Atassi's National Provider Identifier (NPI) is 1336125327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wadah Atassi's specialty?
- Wadah Atassi is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Wadah Atassi located?
- Wadah Atassi's practice location on file with NPPES is 2701 W 68th Street, Chicago, IL 60629-1813.
- What is Wadah Atassi's phone number?
- The practice phone number listed in the NPPES registry for Wadah Atassi is (773) 735-4884.
- Does Wadah Atassi accept Medicare?
- Wadah Atassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wadah Atassi's NPI active?
- Yes — Wadah Atassi's NPI (1336125327) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.