Doctor profile · Federal record

Dr. MICHAEL GRINNEY, MD

Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · JACKSONVILLE, FL

  • NPI 1972769198
  • Accepts Medicare
  • MIPS 76.2 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4500 SAN PABLO RD S
JACKSONVILLE, FL 322241865
(904) 953-2000

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
October 7, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Florida #ME101581

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972769198. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
387
Distinct HCPCS
4
Medicare allowed
$65,240
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 207 205 $182
99284 Emergency department visit with moderate level of medical decision making 105 105 $125
99291 Critical care, first 30-74 minutes 64 63 $215
99283 Emergency department visit with low level of medical decision making 11 11 $74

In context: peer comparison

Among 118 peers in this city , average services per provider: 94. This provider delivers 4.1× the peer median.

Hospital affiliations

CMS Hospital Compare