Marvin J. Romero, DO

Medicare activity in 2024

Official CMS public-use data for Marvin J. Romero, 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. Detection test by immunoassay with direct visual observation for influenza virus (87804)30 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)17 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 services
5. Automated urinalysis test (81003)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 cholesterol75%
• High blood pressure67%
• Diabetes44%
• Arthritis42%
• Chronic kidney disease41%
• Anxiety38%

Hospitals where Marvin J. Romero works

Medicare's Facility Affiliation Data lists Marvin J. Romero 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.

• Frederick Health HospitalFrederick, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210005

Practice locations

Addresses where Marvin J. Romero is enrolled with Medicare (CMS data updated October 2, 2026).

• 2465 N Orange Blossom TrlKissimmee, FL 34744 (904) 329‑1942
• 400 W 7th St, Frederick Health HospitalFrederick, MD 21701 (840) 566‑3300

Group practices

Medicare enrollment lists Marvin J. Romero as a member of these groups (CMS data updated October 2, 2026).

• Guidewell Emergency Medicine Doctors, LLC89 clinicians in the group
• Hospitalist Medicine Physicians of Maryland-Frederick PC12 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Florida →

Other emergency medicine doctors in Kissimmee

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

• Maelisa Melendez-Mulero, MD
• Yedidiach Ortiz-Gonzalez, MD
• Melissa F. Smith, MD
• Nicole Vuong, MD
• Michelle Y. Yates, MD
• Ambar Marin Lopez, MD
• Frederick Martin, MD
• Christian R. Cochrane, DO

All emergency medicine doctors in Kissimmee →

Other clinicians in Guidewell Emergency Medicine Doctors, LLC

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

• Michael A. Loguidice, DO
• Christopher M. Griffith, PA
• Stephanie Haddad, MD
• Maelisa Melendez-Mulero, MD
• Nicole A. Karns, NP
• Brandon I. Faza, 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