Quick answers
- Does Francisco J. Sierra accept Medicare assignment?
- Yes. Medicare's clinician data says Francisco J. Sierra 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 Francisco J. Sierra see?
- In 2024, CMS data shows 372 Original Medicare patients and 595 services for Francisco J. Sierra. This counts Original Medicare only and measures volume, not quality.
- What is Francisco J. Sierra's NPI number?
- 1922118173. 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 Francisco J. Sierra, 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 | 372 |
|---|---|
| Services billed to Medicare | 595 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)151 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)140 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)65 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)63 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)44 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%
- Arthritis62%
- Ischemic heart disease56%
- Diabetes43%
- Anxiety39%
Hospitals where Francisco J. Sierra works
Medicare's Facility Affiliation Data lists Francisco J. Sierra 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.
- Methodist Healthcare - Olive Branch HospitalOlive Branch, MS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 250167
- Methodist Hospitals of MemphisMemphis, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440049
- Monroe Regional HospitalAberdeen, MS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 251302
Practice locations
Addresses where Francisco J. Sierra is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 S Chestnut StAberdeen, MS 39730 (662) 369‑2455
- 4240 Bethel Rd, Suite 201Olive Branch, MS 38654 (901) 763‑0200
Group practices
Medicare enrollment lists Francisco J. Sierra as a member of these groups (CMS data updated October 2, 2026).
- Specialty Physician Group LLC102 clinicians in the group
- Boa Vida Hospital of Aberdeen MS LLC69 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Mississippi →
Other cardiologists in Mississippi
Clinicians with the same Medicare primary specialty in Mississippi — not a recommendation.
Other clinicians in Specialty Physician Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922118173 |
| 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