Reuben K. Maggard, MD

Medicare activity in 2024

Official CMS public-use data for Reuben K. Maggard, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)947 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)630 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)249 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)211 services
5. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)118 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%
• Chronic kidney disease75%
• Diabetes61%
• Ischemic heart disease59%
• Arthritis54%

Hospitals where Reuben K. Maggard works

Medicare's Facility Affiliation Data lists Reuben K. Maggard 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.

• Ascension St Vincent's Clay CountyMiddleburg, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100321
• Ascension St Vincent's RiversideJacksonville, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100040
• Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100088
• Ed Fraser Memorial HospitalMacclenny, FL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 100134
• HCA Florida Orange Park HospitalOrange Park, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100226

Practice locations

Addresses where Reuben K. Maggard is enrolled with Medicare (CMS data updated October 2, 2026).

• 1658 St Vincents Way, 340 Nephrology Associates of NortheastMiddleburg, FL 32068
• 2 Shircliff WayJacksonville, FL 32204 (904) 389‑5333
• 2 Shircliff Way, Suite 415Jacksonville, FL 32204
• 2 Shircliff Way 700 Depaul Bldg, Nephrology Associates of NortheastJacksonville, FL 32204 (904) 389‑5333
• 2310 Village Square Pkwy 202 PO, Nephrology Associates of Northeast FloridaFleming Island, FL 32003 (904) 272‑6161

Group practices

Medicare enrollment lists Reuben K. Maggard as a member of this group (CMS data updated October 2, 2026).

• James D Baker III MD PA19 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in Florida →

Other nephrologists in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

• Fernando A. Rodriguez, MD
• Mohammed Said Malas, MD
• Jaime Baynes-Fields, DO
• Heather A. Laguardia, MD
• Anubha Mutneja, MD
• Hiren Joshi, MD
• Purushottam M. Reddy, MD
• Rama T. Reddy, MD

All nephrologists in Florida →

Other clinicians in James D Baker III MD PA

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

• Ramesh M. Kotihal, MD
• Michael B. Brumback, MD
• Andreea Poenariu, MD
• Paul P. Maraj, MD
• Muhammad A. Salahuddin, MD
• William A. Davila, 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