Mazen El Ali, M.D.
NPI 1437346798 · Internal Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mazen El Ali, M.D. is a Internal Medicine Physician provider in Pittsburgh, PA (NPI 1437346798).
Provider details
- NPI number
- 1437346798
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD463021 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 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
89 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $119 |
| Critical Care, First 30-74 Minutes99291 | 35 | $201 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 17 | $72 |
Typical Medicare-allowed amounts for these services range $72–$201 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 58 | 12 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 46 | 12 |
| Azelastine Hcl | 29 | — |
| Fluticasone Propionate | 29 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 | 11 |
| Montelukast Sodium | 23 | — |
| Fluticasone Furoate |
Practice location
Mailing address
Additional practice locations (1)
- 2 Hot Metal St # 1Pittsburgh, PA 15203-2348Phone: (412) 432-5866
Registry dates
- Enumerated
- 2007-10-01
- Last updated
- 2018-05-09
Frequently asked questions
- What is Mazen El Ali's NPI number?
- Mazen El Ali's National Provider Identifier (NPI) is 1437346798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mazen El Ali's specialty?
- Mazen El Ali is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mazen El Ali located?
- Mazen El Ali's practice location on file with NPPES is 3459 5th Ave, Pittsburgh, PA 15213-3236.
- What is Mazen El Ali's phone number?
- The practice phone number listed in the NPPES registry for Mazen El Ali is (412) 692-2210.
- Does Mazen El Ali accept Medicare?
- Mazen El Ali is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mazen El Ali's NPI active?
- Yes — Mazen El Ali's NPI (1437346798) is active in the NPPES registry as of the last update on 2018-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.