Doctor profile · Federal record

Dr. BRIAN CHAFFIN, DO

Hospitalist Physician (CMS: INTERNAL MEDICINE) · Internal Medicine Physician · EVANSVILLE, IN

  • NPI 1073045498
  • Accepts Medicare
  • MIPS 78.7 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 MARY ST
EVANSVILLE, IN 477101658
(812) 450-3036
fax (812) 450-2193
Mailing address
PO BOX 3407
EVANSVILLE, IN 477333407

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
June 26, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Indiana #02005958A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073045498. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
502
Distinct HCPCS
6
Medicare allowed
$68,101
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 224 219 $165
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 113 49 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 74 73 $122
99291 Critical care, first 30-74 minutes 38 37 $200
99239 Hospital discharge day management, more than 30 minutes 32 31 $110
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 21 21 $114

In context: peer comparison

Among 27 peers in this city , average services per provider: 141. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$63
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $63.00

By nature of payment

Food and Beverage
$63

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
23
Total drug cost
$153
Drug Type Claims Patients Total cost
Prednisone Generic 12 12 $28
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $75
Azithromycin Generic 11 0 $50

Hospital affiliations

CMS Hospital Compare