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 Evansville Hospitalist Physician, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Chaffin's medical specialty?
Dr. Brian Chaffin practices Hospitalist Physician in Evansville, IN.
Where does Dr. Brian Chaffin practice?
Dr. Brian Chaffin practices at 600 Mary St, Evansville, IN 477101658. Office phone: 8124503036.
What is Dr. Brian Chaffin's NPI?
Dr. Brian Chaffin's National Provider Identifier (NPI) is 1073045498, issued by NPPES.
Does Dr. Brian Chaffin accept Medicare assignment?
Yes. Dr. Brian Chaffin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Chaffin commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.