Doctor profile · Federal record

Dr. Malcolm Brock, M.D.

Surgery Physician (CMS: Thoracic Surgery) · Baltimore, MD

  • NPI 1396702635
  • MIPS 74.4 / 100 · 2023
  • 35 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) 955-5464
Mailing address
Po Box 64563
Baltimore, MD 212644563

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 30, 2014
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Maryland #D44406
Medicaid
MD #449861500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396702635. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
1
Medicare allowed
$1,853
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 24 15 $77

In context: peer comparison

Among 61 peers in Baltimore Surgery Physician, average services per provider: 57. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
226
Patients
43
Total drug cost
$7,430
Drug Type Claims Patients Total cost
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 121 29 $3,643
Guanfacine Hcl ER (Guanfacine Hcl) Brand 39 14 $1,146
Guanfacine Hcl Generic 27 0 $849
Dronabinol Generic 16 0 $1,315
Glycopyrrolate Generic 12 0 $347
Topiramate Generic 11 0 $131

Frequently asked questions

Auto-generated from federal data
What is Dr. Malcolm Brock's medical specialty?
Dr. Malcolm Brock practices Surgery Physician in Baltimore, MD.
Where does Dr. Malcolm Brock practice?
Dr. Malcolm Brock practices at 600 N Wolfe St, Baltimore, MD 212870005. Office phone: 4109555464.
What is Dr. Malcolm Brock's NPI?
Dr. Malcolm Brock's National Provider Identifier (NPI) is 1396702635, issued by NPPES.
Does Dr. Malcolm Brock accept Medicare assignment?
Dr. Malcolm Brock does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Malcolm Brock commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.