Osama Niazi, D.O.
NPI 1588953285 · Clinical Cardiac Electrophysiology Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Osama Niazi, D.O. is a Clinical Cardiac Electrophysiology Physician provider in Chandler, AZ (NPI 1588953285).
Provider details
- NPI number
- 1588953285
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 054774 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,223 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 463 | $173 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 396 | $14 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days93298 | 194 | $25 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 164 | $28 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System93288 | 117 | $19 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 143 | 51 |
| Metoprolol Tartrate | 59 | 27 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 42 | 25 |
| Carvedilol | 37 | 12 |
| Metoprolol Succinate | 34 | 17 |
| Amiodarone Hcl | 27 | 27 |
| Flecainide Acetate | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15,100 across 155 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 (5)
- 3200 S Alma School Rd Ste 204Chandler, AZ 85248-3773Phone: (480) 728-5500Fax: (480) 728-5550
- 2000 S Thompson StFlagstaff, AZ 86001-8759Phone: (928) 226-6400
- 3420 S Mercy Rd Ste 300Gilbert, AZ 85297-0425Phone: (480) 728-6420Fax: (480) 728-6425
- 150 Bergen StNewark, NJ 07103-2496Phone: (973) 972-6056
- 6 Care LnSaratoga Springs, NY 12866-8651Phone: (518) 587-7625
Registry dates
- Enumerated
- 2011-04-04
- Last updated
- 2025-02-27
- Certified
- 2025-02-27
Frequently asked questions
- What is Osama Niazi's NPI number?
- Osama Niazi's National Provider Identifier (NPI) is 1588953285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osama Niazi's specialty?
- Osama Niazi is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Osama Niazi located?
- Osama Niazi's practice location on file with NPPES is 1955 W Frye Rd, Chandler, AZ 85224-6282.
- What is Osama Niazi's phone number?
- The practice phone number listed in the NPPES registry for Osama Niazi is (480) 728-5500.
- Does Osama Niazi accept Medicare?
- Osama Niazi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Osama Niazi's NPI active?
- Yes — Osama Niazi's NPI (1588953285) is active in the NPPES registry as of the last update on 2025-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.