Gabriel Ortiz Rivera, MD

Medicare activity in 2024

Official CMS public-use data for Gabriel Ortiz Rivera, 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.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)82 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)41 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)16 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%
• Diabetes43%
• Arthritis38%
• Chronic kidney disease38%
• Ischemic heart disease37%

Hospitals where Gabriel Ortiz Rivera works

Medicare's Facility Affiliation Data lists Gabriel Ortiz Rivera 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 Fish MemorialOrange City, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100072

Practice locations

Addresses where Gabriel Ortiz Rivera is enrolled with Medicare (CMS data updated October 2, 2026).

• 450 W State Rd, 434 Suite 1010Longwood, FL 32750 (407) 786‑0004
• 876 Saxon BlvdOrange City, FL 32763 (386) 774‑0491

Group practices

Medicare enrollment lists Gabriel Ortiz Rivera as a member of these groups (CMS data updated October 2, 2026).

• Conviva Medical Center Management, LLC512 clinicians in the group
• Internal Medicine LLC4 clinicians in the group

Specialties

• General Practiceprimary

Find other General Practice doctors in Florida →

Other general practitioners in Longwood

Clinicians with the same Medicare primary specialty in Longwood, FL — not a recommendation.

• Arturo Wong, MD
• Carmen M. Cabrera, MD
• Esau Laurencin, MD
• Vianis Bravo-Vielma, MD
• Sivapriya Kumar, MD
• Jannelys Aviles Aguilar, MD

All general practitioners in Longwood →

Other clinicians in Conviva Medical Center Management, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Maria Cuesta-Torres, MD
• Sandeep B. Sura, MD
• Kyle E. Boltson, DO
• Shandra N. Jones, NP
• Leskisey Delgado Suarez, NP
• David Seinfeld, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians