Quick answers
- Does Marc-Fernand R. Erian accept Medicare assignment?
- Yes. Medicare's clinician data says Marc-Fernand R. Erian 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 Marc-Fernand R. Erian see?
- In 2024, CMS data shows 1,559 Original Medicare patients and 4,867 services for Marc-Fernand R. Erian. This counts Original Medicare only and measures volume, not quality.
- What is Marc-Fernand R. Erian's NPI number?
- 1164836607. 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 Marc-Fernand R. Erian, 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 | 1,559 |
|---|---|
| Services billed to Medicare | 4,867 |
| Different services or procedures | 114 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,760 services
- Injection, gadoterate meglumine, 0.1 ml (A9575)562 services
- Screening mammography (77067)376 services
- Screening 3d breast mammography (77063)375 services
- X-ray of chest, 1 view (71045)276 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%
- Arthritis50%
- Diabetes43%
- Chronic kidney disease35%
- Ischemic heart disease31%
Hospitals where Marc-Fernand R. Erian works
Medicare's Facility Affiliation Data lists Marc-Fernand R. Erian 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.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
- Baptist Neighborhood Hospital Thousand OaksSan Antonio, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 670078
- Resolute Health HospitalNew Braunfels, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670098
- Val Verde Regional Medical CenterDel Rio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450154
- Westover Hills Baptist HospitalSan Antonio, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670333
Practice locations
Addresses where Marc-Fernand R. Erian is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 111 Dallas StSan Antonio, TX 78205 (210) 297‑7000
- 1763 Medical Way, Baptist Mands Imaging New BraunfelsNew Braunfels, TX 78132 (210) 785‑2500
- 215 E Quincy St, Suite 100San Antonio, TX 78215 (210) 351‑0784
- 3011 W Loop 1604San Antionio, TX 78251
- 3327 Research PlzSan Antonio, TX 78235 (210) 423‑3950
Group practices
Medicare enrollment lists Marc-Fernand R. Erian as a member of these groups (CMS data updated October 2, 2026).
- Austin Regional Clinic PA397 clinicians in the group
- VHS San Antonio Imaging Partners LP71 clinicians in the group
- Mands Radiology Associates PA54 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in Austin Regional Clinic PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164836607 |
| 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