Quick answers
- Does Mayra M. Rivera Santiago accept Medicare assignment?
- Yes. Medicare's clinician data says Mayra M. Rivera Santiago 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 Mayra M. Rivera Santiago see?
- In 2024, CMS data shows 117 Original Medicare patients and 550 services for Mayra M. Rivera Santiago. This counts Original Medicare only and measures volume, not quality.
- What is Mayra M. Rivera Santiago's NPI number?
- 1083646913. 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 Mayra M. Rivera Santiago, 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 | 117 |
|---|---|
| Services billed to Medicare | 550 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)128 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)97 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)70 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)27 services
- Administration of influenza virus vaccine (G0008)17 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 cholesterol75%
- High blood pressure68%
- Arthritis48%
- Ischemic heart disease29%
- Diabetes24%
- Osteoporosis23%
Hospitals where Mayra M. Rivera Santiago works
Medicare's Facility Affiliation Data lists Mayra M. Rivera Santiago 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.
- AdventHealth TampaTampa, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100173
Practice locations
Addresses where Mayra M. Rivera Santiago is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 17417 Bridge Hill CtTampa, FL 33647 (813) 972‑7900
- 17470 Brookside Trace CtTampa, FL 33647 (813) 443‑5042
- 38101 Market Square DrZephyrhills, FL 33542 (813) 715‑0195
- 38103 Market Square DrZephyrhills, FL 33542 (813) 778‑0414
- 38105 Market Square DrZephyrhills, FL 33542 (813) 815‑5380
Group practices
Medicare enrollment lists Mayra M. Rivera Santiago as a member of these groups (CMS data updated October 2, 2026).
- Legacy Healthcare Services Inc3,223 clinicians in the group
- Ohi West Medical Group II LLC413 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Tampa
Clinicians with the same Medicare primary specialty in Tampa, FL — not a recommendation.
Other clinicians in Legacy Healthcare Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan College Of Medicine And Surgery |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1083646913 |
| 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