Doctor profile · Federal record

Dr. John Chappo, D.O.

Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Zionsville, IN

  • NPI 1730347022
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9485 Hunt Club RD
Zionsville, IN 460778451
(317) 246-0896
fax (888) 313-5560
Additional location
1000 E Main St
Danville, IN 461221948
(317) 745-4451
fax (317) 718-6740

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
March 5, 2024
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Indiana #02003401A
Medicaid
IN #200932120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730347022. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
489
Distinct HCPCS
6
Medicare allowed
$58,123
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 226 115 $113
99239 Hospital discharge day management, more than 30 minutes 97 96 $108
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 74 72 $165
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 52 40 $75
99291 Critical care, first 30-74 minutes 24 17 $203
99497 Advance care planning, first 30 minutes 16 14 $72

In context: peer comparison

Among 2 peers in Zionsville Internal Medicine Physician, average services per provider: 126. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
287
Patients
0
Total drug cost
$11,338
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 43 0 $519
Escitalopram Oxalate Generic 28 0 $217
Lisinopril Generic 27 0 $325
Metoprolol Succinate Generic 22 0 $439
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 18 0 $821
Gabapentin Generic 18 0 $164
Furosemide Generic 17 0 $118
Buspirone Hcl Generic 16 0 $152
Paroxetine Hcl Generic 15 0 $352
Trazodone Hcl Generic 15 0 $237

Frequently asked questions

Auto-generated from federal data
What is Dr. John Chappo's medical specialty?
Dr. John Chappo practices Internal Medicine Physician in Zionsville, IN.
Where does Dr. John Chappo practice?
Dr. John Chappo practices at 9485 Hunt Club RD, Zionsville, IN 460778451. Office phone: 3172460896.
What is Dr. John Chappo's NPI?
Dr. John Chappo's National Provider Identifier (NPI) is 1730347022, issued by NPPES.
Does Dr. John Chappo accept Medicare assignment?
Yes. Dr. John Chappo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Chappo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); 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.