Quick answers
- Does M Shereef Hilmy accept Medicare assignment?
- Yes. Medicare's clinician data says M Shereef Hilmy 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 M Shereef Hilmy see?
- In 2024, CMS data shows 447 Original Medicare patients and 2,038 services for M Shereef Hilmy. This counts Original Medicare only and measures volume, not quality.
- What is M Shereef Hilmy's NPI number?
- 1033113493. 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 M Shereef Hilmy, 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 | 447 |
|---|---|
| Services billed to Medicare | 2,038 |
| Different services or procedures | 92 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)464 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)362 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)159 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)88 services
- Ultrasound of both sides of head and neck blood flow (93880)69 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%
- Ischemic heart disease66%
- Arthritis51%
- Diabetes42%
- Chronic kidney disease42%
Hospitals where M Shereef Hilmy works
Medicare's Facility Affiliation Data lists M Shereef Hilmy 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.
- Doctors Hospital at RenaissanceEdinburg, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450869
- Harlingen Medical CenterHarlingen, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450855
- Knapp Medical CenterWeslaco, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450128
- VHS Harlingen Hospital Company LLCHarlingen, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450033
Practice locations
Addresses where M Shereef Hilmy is enrolled with Medicare (CMS data updated October 2, 2026).
- 2310 N Ed Carey Dr, Suite 1aHarlingen, TX 78550
Group practices
Medicare enrollment lists M Shereef Hilmy as a member of this group (CMS data updated October 2, 2026).
- South Heart Clinic, PLLC14 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in Harlingen
Clinicians with the same Medicare primary specialty in Harlingen, TX — not a recommendation.
Other clinicians in South Heart Clinic, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033113493 |
| 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