Mazen Toushan, M.D.
NPI 1407262918 · Anatomic Pathology & Clinical Pathology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mazen Toushan, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Milwaukee, WI (NPI 1407262918).
Provider details
- NPI number
- 1407262918
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29064 (WV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,657 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 836 | $37 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 221 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 200 | $27 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 76 | $26 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 71 | $12 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 66 | $11 |
Practice location
Mailing address
Additional practice locations (4)
- 3200 Maccorkle Ave SeCharleston, WV 25304-1227Phone: (304) 388-5550Fax: (304) 388-4352
- 501 Morris StCharleston, WV 25301-1326Phone: (304) 388-5550Fax: (304) 388-4352
- 800 Pennsylvania AveCharleston, WV 25302-3351Phone: (304) 388-5550Fax: (304) 388-4352
- 1400 Hospital DrHurricane, WV 25526-9202Phone: (304) 388-1700Fax: (304) 388-1732
Registry dates
- Enumerated
- 2014-07-03
- Last updated
- 2019-06-10
Frequently asked questions
- What is Mazen Toushan's NPI number?
- Mazen Toushan's National Provider Identifier (NPI) is 1407262918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mazen Toushan's specialty?
- Mazen Toushan is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mazen Toushan located?
- Mazen Toushan's practice location on file with NPPES is 8701 W Watertown Plank Rd, Milwaukee, WI 53226.
- What is Mazen Toushan's phone number?
- The practice phone number listed in the NPPES registry for Mazen Toushan is (414) 955-8296.
- Does Mazen Toushan accept Medicare?
- Mazen Toushan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mazen Toushan's NPI active?
- Yes — Mazen Toushan's NPI (1407262918) is active in the NPPES registry as of the last update on 2019-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.