Quick answers
- Does Mehrzad Zarghouni accept Medicare assignment?
- Yes. Medicare's clinician data says Mehrzad Zarghouni 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 Mehrzad Zarghouni see?
- In 2024, CMS data shows 187 Original Medicare patients and 6,794 services for Mehrzad Zarghouni. This counts Original Medicare only and measures volume, not quality.
- What is Mehrzad Zarghouni's NPI number?
- 1780900993. 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 Mehrzad Zarghouni, 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 | 187 |
|---|---|
| Services billed to Medicare | 6,794 |
| Different services or procedures | 119 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)4,559 services
- Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (99153)289 services
- Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel (37253)154 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)126 services
- Ultrasonic guidance for blood vessel access (76937)93 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 cholesterol75%
- Arthritis49%
- Diabetes48%
- Chronic kidney disease43%
- Ischemic heart disease42%
Hospitals where Mehrzad Zarghouni works
Medicare's Facility Affiliation Data lists Mehrzad Zarghouni 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.
- Baytown Medical CenterBaytown, TX · Acute Care Hospital · CCN 670109
- HCA Houston Healthcare NorthwestHouston, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · CCN 450638
Practice locations
Addresses where Mehrzad Zarghouni is enrolled with Medicare (CMS data updated October 2, 2026).
- 10914 Long Shadow LnHouston, TX 77024 (469) 774‑0740
Group practices
Medicare enrollment lists Mehrzad Zarghouni as a member of this group (CMS data updated October 2, 2026).
- Houston Vein and Vascular PLLC4 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Houston Vein and Vascular PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas A & M University System, Hsc, College Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780900993 |
| 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