Raymond F. Grenfell Iii, MD

Medicare activity in 2024

Official CMS public-use data for Raymond F. Grenfell Iii, 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 moderate level of decision making, if using time, 30 minutes or more (99214)1,426 services
2. Insertion of needle into vein for collection of blood sample (36415)1,382 services
3. Hemoglobin a1c level (83036)1,016 services
4. Blood test, comprehensive group of blood chemicals (80053)1,000 services
5. Blood test, lipids (cholesterol and triglycerides) (80061)987 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%
• Diabetes59%
• Arthritis50%
• Ischemic heart disease32%
• Chronic kidney disease24%

Hospitals where Raymond F. Grenfell Iii works

Medicare's Facility Affiliation Data lists Raymond F. Grenfell Iii 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.

• Mississippi Baptist Medical CenterJackson, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250102
• St Dominic-Jackson Memorial HospitalJackson, MS · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 250048

Practice locations

Addresses where Raymond F. Grenfell Iii is enrolled with Medicare (CMS data updated October 2, 2026).

• 971 Lakeland Dr, Suite 450Jackson, MS 39216 (601) 326‑4255

Group practices

Medicare enrollment lists Raymond F. Grenfell Iii as a member of this group (CMS data updated October 2, 2026).

• Diabetes and Endocrine Center of MS8 clinicians in the group

Specialties

• Endocrinologyprimary

Find other Endocrinology doctors in Mississippi →

Other endocrinologists in Jackson

Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.

• John O. Knight, MD
• Eric M. Dyess, MD
• Jana Phillips, MD
• Licy Yanes Cardozo, MD
• Vishnu V. Garla, MD
• Vanessa Sandifer, MD
• Simeen R. Pasha, MD
• Christina Glover, MD

All endocrinologists in Jackson →

Other clinicians in Diabetes and Endocrine Center of MS

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

• John O. Knight, MD
• Eric M. Dyess, MD
• Ben W. Seale, MD
• Vanessa Sandifer, MD
• Monica B. Jones
• Amanda R. Schiefer, 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