Doctor profile · Federal record

Dr. Steven Horng, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Boston, MA

  • NPI 1821281437
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Ave, W/Cc2
Boston, MA 022155400
(617) 754-2349
fax (917) 210-3676

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
July 21, 2011
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #243754

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821281437. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
364
Distinct HCPCS
7
Medicare allowed
$42,110
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 149 149 $183
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 125 100 $9
99284 Emergency department visit with moderate level of medical decision making 30 30 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $184
99214 Established patient office or other outpatient visit, 30-39 minutes 16 16 $140
99291 Critical care, first 30-74 minutes 14 14 $225
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $100

In context: peer comparison

Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 5.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Horng's medical specialty?
Dr. Steven Horng practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Steven Horng practice?
Dr. Steven Horng practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6177542349.
What is Dr. Steven Horng's NPI?
Dr. Steven Horng's National Provider Identifier (NPI) is 1821281437, issued by NPPES.
Does Dr. Steven Horng accept Medicare assignment?
Yes. Dr. Steven Horng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Horng commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.