Doctor profile · Federal record

Dr. Mark Liao, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Indianapolis, IN

  • NPI 1508203514
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1701 N Senate Blvd Rm Ag012
Indianapolis, IN 462021239
(317) 962-5975
Additional location
1701 N Senate Blvd
Indianapolis, IN 462021239
(888) 484-3258

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
March 13, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Indiana #01077226A
Medicaid
IN #300014073

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508203514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
3
Medicare allowed
$15,907
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 75 74 $161
99284 Emergency department visit with moderate level of medical decision making 27 27 $113
99283 Emergency department visit with low level of medical decision making 12 12 $67

In context: peer comparison

Among 140 peers in Indianapolis Emergency Medicine Physician, average services per provider: 87. This provider delivers 1.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Liao's medical specialty?
Dr. Mark Liao practices Emergency Medicine Physician in Indianapolis, IN.
Where does Dr. Mark Liao practice?
Dr. Mark Liao practices at 1701 N Senate Blvd Rm Ag012, Indianapolis, IN 462021239. Office phone: 3179625975.
What is Dr. Mark Liao's NPI?
Dr. Mark Liao's National Provider Identifier (NPI) is 1508203514, issued by NPPES.
Does Dr. Mark Liao accept Medicare assignment?
Yes. Dr. Mark Liao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Liao commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.