Wael Hassan, M.D.
NPI 1821230178 · Nephrology Physician · Marinette, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wael Hassan, M.D. is a Nephrology Physician provider in Marinette, WI (NPI 1821230178).
Provider details
- NPI number
- 1821230178
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 55397 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
676 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 264 | $168 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 107 | $302 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 105 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 35 | $7 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Torsemide | 292 | 77 |
| Allopurinol | 208 | 45 |
| Amlodipine Besylate | 180 | 51 |
| Calcitriol | 177 | 44 |
| Furosemide | 159 | 41 |
| Losartan Potassium | 157 | 55 |
| Potassium Chloride | 133 | 39 |
| Empagliflozin |
Practice location
Mailing address
Additional practice locations (1)
- 9900 N Central Expy Ste 215Dallas, TX 75231-0929Phone: (214) 396-4950Fax: (214) 613-2925
Registry dates
- Enumerated
- 2009-04-01
- Last updated
- 2024-06-27
- Certified
- 2024-06-27
Frequently asked questions
- What is Wael Hassan's NPI number?
- Wael Hassan's National Provider Identifier (NPI) is 1821230178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wael Hassan's specialty?
- Wael Hassan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Wael Hassan located?
- Wael Hassan's practice location on file with NPPES is 3003 University Dr, Marinette, WI 54143-4110.
- What is Wael Hassan's phone number?
- The practice phone number listed in the NPPES registry for Wael Hassan is (715) 735-4200.
- Does Wael Hassan accept Medicare?
- Wael Hassan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wael Hassan's NPI active?
- Yes — Wael Hassan's NPI (1821230178) is active in the NPPES registry as of the last update on 2024-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.