Doctor profile · Federal record

Dr. Joey Sum, MD

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

  • NPI 1437350493
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
550 University Blvd, Uh 1501
Indianapolis, IN 462025149
(317) 948-1310
fax (317) 948-0503
Mailing address
250 N Shadeland Ave
Indianapolis, IN 462194959

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
March 5, 2021
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Indiana #01070686A · Kentucky #41192
Medicaid
IN #201054750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437350493. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
902
Distinct HCPCS
5
Medicare allowed
$77,249
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 426 117 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 289 144 $111
99239 Hospital discharge day management, more than 30 minutes 89 82 $107
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 87 39 $29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $162

In context: peer comparison

Among 195 peers in Indianapolis Internal Medicine Physician, average services per provider: 101. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
30
Patients
12
Total drug cost
$274
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 19 12 $190
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 0 $84

Frequently asked questions

Auto-generated from federal data
What is Dr. Joey Sum's medical specialty?
Dr. Joey Sum practices Internal Medicine Physician in Indianapolis, IN.
Where does Dr. Joey Sum practice?
Dr. Joey Sum practices at 550 University Blvd, Indianapolis, IN 462025149. Office phone: 3179481310.
What is Dr. Joey Sum's NPI?
Dr. Joey Sum's National Provider Identifier (NPI) is 1437350493, issued by NPPES.
Does Dr. Joey Sum accept Medicare assignment?
Yes. Dr. Joey Sum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joey Sum commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.