Quick answers
- Does Mariano De La Mata accept Medicare assignment?
- Yes. Medicare's clinician data says Mariano De La Mata 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 Mariano De La Mata see?
- In 2024, CMS data shows 469 Original Medicare patients and 737 services for Mariano De La Mata. This counts Original Medicare only and measures volume, not quality.
- What is Mariano De La Mata's NPI number?
- 1396841623. 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 Mariano De La Mata, 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 | 469 |
|---|---|
| Services billed to Medicare | 737 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)230 services
- Emergency department visit with high level of medical decision making (99285)188 services
- Emergency department visit with moderate level of medical decision making (99284)156 services
- Emergency department visit with low level of medical decision making (99283)105 services
- Emergency department visit with straightforward medical decision making (99282)25 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%
- Arthritis64%
- Ischemic heart disease47%
- Anxiety37%
- Diabetes33%
Hospitals where Mariano De La Mata works
Medicare's Facility Affiliation Data lists Mariano De La Mata 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.
- Fishermen's Community HospitalMarathon, FL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 101312
- Mon Health MarionWhitehall, WV · Acute Care Hospital · Emergency services: listed by Medicare · CCN 510093
- Mon Health Medical CenterMorgantown, WV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 510024
- UF Health Leesburg HospitalLeesburg, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100084
Practice locations
Addresses where Mariano De La Mata is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1200 J D Anderson Dr, Suite 301Morgantown, WV 26505 (304) 598‑1996
- 140 Middletown LoopFairmont, WV 26554 (304) 333‑1150
- 17021 US Hwy 441Mount Dora, FL 32757 (352) 323‑5762
- 3301 Overseas HwyMarathon, FL 33050 (305) 743‑5533
- 770 Haden BlvdBridgeport, WV 26330 (304) 848‑2220
Group practices
Medicare enrollment lists Mariano De La Mata as a member of these groups (CMS data updated October 2, 2026).
- Monongalia County General Hospital Company243 clinicians in the group
- Mon Health Marion Neighborhood Hospital, Inc.36 clinicians in the group
- Shi Keys LLC20 clinicians in the group
- Leesburg Regional Medical Center Physician Services LLC6 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Morgantown
Clinicians with the same Medicare primary specialty in Morgantown, WV — not a recommendation.
Other clinicians in Monongalia County General Hospital Company
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396841623 |
| 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