Doctor profile · Federal record

Dr. James Longenbach, M.D.

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

  • NPI 1811250467
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2005 Knight Lane Bldg H, Attn: Medical Staff Services
Jacksonville, FL 322120140
(904) 542-7200
Mailing address
2400 5Th Ave, Apt. 338
San Diego, CA 921011674

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
May 13, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Pennsylvania #MT214277

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811250467. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
344
Distinct HCPCS
3
Medicare allowed
$53,158
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 205 200 $181
99284 Emergency department visit with moderate level of medical decision making 115 108 $124
99283 Emergency department visit with low level of medical decision making 24 24 $74

In context: peer comparison

Among 118 peers in this city , average services per provider: 94. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
14
Total drug cost
$147
Drug Type Claims Patients Total cost
Ibuprofen Generic 14 14 $147

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Longenbach's medical specialty?
Dr. James Longenbach practices Emergency Medicine Physician in Jacksonville, FL.
Where does Dr. James Longenbach practice?
Dr. James Longenbach practices at 2005 Knight Lane Bldg H, Jacksonville, FL 322120140. Office phone: 9045427200.
What is Dr. James Longenbach's NPI?
Dr. James Longenbach's National Provider Identifier (NPI) is 1811250467, issued by NPPES.
Does Dr. James Longenbach accept Medicare assignment?
Yes. Dr. James Longenbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Longenbach 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); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.