Doctor profile · Federal record

Dr. Grant Barker

Emergency Medicine Physician (CMS: Emergency Medicine) · General Practice Physician · Student in an Organized Health Care Education/Training Program · Jacksonville, FL

  • NPI 1477013555
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
655 W 8Th St
Jacksonville, FL 322096511
(904) 244-3817

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
April 3, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Georgia #90868 · Florida #ME154935

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477013555. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
624
Distinct HCPCS
5
Medicare allowed
$92,880
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 314 298 $172
99284 Emergency department visit with moderate level of medical decision making 165 158 $118
99291 Critical care, first 30-74 minutes 71 71 $207
99283 Emergency department visit with low level of medical decision making 55 53 $73
99282 Emergency department visit with straightforward medical decision making 19 19 $42

In context: peer comparison

Among 118 peers in this city , average services per provider: 94. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$13
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $13.45

By nature of payment

Food and Beverage
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
290
Patients
285
Total drug cost
$2,174
Drug Type Claims Patients Total cost
Cephalexin Generic 41 41 $373
Prednisone Generic 41 40 $79
Ondansetron Odt (Ondansetron) Brand 28 28 $241
Azithromycin Generic 25 24 $143
Methocarbamol Generic 24 24 $106
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 23 $107
Ketorolac Tromethamine Generic 19 19 $348
Furosemide Generic 17 14 $18
Lactulose Generic 16 16 $275
Dicyclomine Hcl Generic 15 15 $112

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Barker's medical specialty?
Dr. Grant Barker practices Emergency Medicine Physician in Jacksonville, FL.
Where does Dr. Grant Barker practice?
Dr. Grant Barker practices at 655 W 8Th St, Jacksonville, FL 322096511. Office phone: 9042443817.
What is Dr. Grant Barker's NPI?
Dr. Grant Barker's National Provider Identifier (NPI) is 1477013555, issued by NPPES.
Does Dr. Grant Barker accept Medicare assignment?
Yes. Dr. Grant Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Barker commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.