Doctor profile · Federal record

Dr. Arjun Chanmugam, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Baltimore, MD

  • NPI 1003865106
  • MIPS 74.4 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 N Wolfe St
Baltimore, MD 212870005
(410) 955-2280
Mailing address
Po Box 64362
Baltimore, MD 212644362

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 15, 2014
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maryland #D41128
Medicaid
MD #594941600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003865106. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
317
Distinct HCPCS
3
Medicare allowed
$59,688
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 138 137 $227
99285 Emergency department visit with high level of medical decision making 93 93 $187
99284 Emergency department visit with moderate level of medical decision making 86 86 $128

In context: peer comparison

Among 176 peers in Baltimore Emergency Medicine Physician, average services per provider: 92. This provider delivers 3.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Arjun Chanmugam's medical specialty?
Dr. Arjun Chanmugam practices Emergency Medicine Physician in Baltimore, MD.
Where does Dr. Arjun Chanmugam practice?
Dr. Arjun Chanmugam practices at 600 N Wolfe St, Baltimore, MD 212870005. Office phone: 4109552280.
What is Dr. Arjun Chanmugam's NPI?
Dr. Arjun Chanmugam's National Provider Identifier (NPI) is 1003865106, issued by NPPES.
Does Dr. Arjun Chanmugam accept Medicare assignment?
Dr. Arjun Chanmugam does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Arjun Chanmugam commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.