Doctor profile · Federal record

Dr. Matthew Barker, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Aerospace Medicine Physician · Jacksonville, FL

  • NPI 1689653651
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2080 Child Street, Emergency Medicine Department
Jacksonville, FL 322140001
(904) 542-7345

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
August 10, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
North Carolina #200400185 · California #C131787

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689653651. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
203
Distinct HCPCS
3
Medicare allowed
$34,262
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 112 103 $167
99291 Critical care, first 30-74 minutes 57 55 $203
99284 Emergency department visit with moderate level of medical decision making 34 32 $116

In context: peer comparison

Among 118 peers in Jacksonville Emergency Medicine Physician, average services per provider: 94. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
135
Patients
133
Total drug cost
$1,082
Drug Type Claims Patients Total cost
Ibuprofen Generic 45 45 $205
Cefuroxime (Cefuroxime Axetil) Brand 35 33 $440
Ondansetron Odt (Ondansetron) Brand 26 26 $275
Cyclobenzaprine Hcl Generic 15 15 $63
Oxycodone Hcl Generic 14 14 $100

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Barker's medical specialty?
Dr. Matthew Barker practices Emergency Medicine Physician in Jacksonville, FL.
Where does Dr. Matthew Barker practice?
Dr. Matthew Barker practices at 2080 Child Street, Jacksonville, FL 322140001. Office phone: 9045427345.
What is Dr. Matthew Barker's NPI?
Dr. Matthew Barker's National Provider Identifier (NPI) is 1689653651, issued by NPPES.
Does Dr. Matthew Barker accept Medicare assignment?
Yes. Dr. Matthew Barker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Barker commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.