Doctor profile · Federal record

Dr. Jason Hannegan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Baton Rouge, LA

  • NPI 1104846104
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5000 Hennessy Blvd
Baton Rouge, LA 708084375
(225) 765-4050
fax (225) 765-4046

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 23, 2021
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Louisiana #025460
Medicaid (2)
MS #05103501 · LA #1575526

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104846104. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
252
Distinct HCPCS
3
Medicare allowed
$26,249
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 127 54 $76
99239 Hospital discharge day management, more than 30 minutes 74 70 $109
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 51 49 $167

In context: peer comparison

Among 90 peers in this city , average services per provider: 110. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$56
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 2 $33.54
PFIZER INC. 1 $22.10

By nature of payment

Food and Beverage
$56

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
115
Patients
76
Total drug cost
$559
Drug Type Claims Patients Total cost
Cefdinir Generic 28 28 $177
Prednisone Generic 19 19 $66
Amlodipine Besylate Generic 16 0 $35
Furosemide Generic 16 16 $53
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $97
Metoprolol Succinate Generic 12 0 $59
Carvedilol Generic 11 0 $72

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Hannegan's medical specialty?
Dr. Jason Hannegan practices Internal Medicine Physician in Baton Rouge, LA.
Where does Dr. Jason Hannegan practice?
Dr. Jason Hannegan practices at 5000 Hennessy Blvd, Baton Rouge, LA 708084375. Office phone: 2257654050.
What is Dr. Jason Hannegan's NPI?
Dr. Jason Hannegan's National Provider Identifier (NPI) is 1104846104, issued by NPPES.
Does Dr. Jason Hannegan accept Medicare assignment?
Yes. Dr. Jason Hannegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Hannegan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.