Quick answers
- Does Mazen Hariri accept Medicare assignment?
- Yes. Medicare's clinician data says Mazen Hariri accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mazen Hariri see?
- In 2024, CMS data shows 61 Original Medicare patients and 533 services for Mazen Hariri. This counts Original Medicare only and measures volume, not quality.
- What is Mazen Hariri's NPI number?
- 1740628213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mazen Hariri, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 61 |
|---|---|
| Services billed to Medicare | 533 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)156 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)65 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)30 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol74%
- Chronic kidney disease38%
- Diabetes34%
- Arthritis31%
Hospitals where Mazen Hariri works
Medicare's Facility Affiliation Data lists Mazen Hariri at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baylor Scott and White Medical Center SunnyvaleSunnyvale, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 670060
- Dallas Regional Medical CenterMesquite, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450688
Practice locations
Addresses where Mazen Hariri is enrolled with Medicare (CMS data updated October 2, 2026).
- 820 E Cartwright Rd, Suite 100Mesquite, TX 75149 (214) 320‑7600
Group practices
Medicare enrollment lists Mazen Hariri as a member of this group (CMS data updated October 2, 2026).
- Dallas Medical Physician Group17 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Mesquite
Clinicians with the same Medicare primary specialty in Mesquite, TX — not a recommendation.
Other clinicians in Dallas Medical Physician Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of North Texas Hsc, College Of Osteopathic Med |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740628213 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians