Doctor profile · Federal record

Dr. James Porterfield, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Towson, MD

  • NPI 1912991704
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6569 N Charles St, Suite 600
Towson, MD 212046831
(410) 825-5150
fax (410) 296-0809
Mailing address
Po Box 64250
Baltimore, MD 212644250

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
February 14, 2013
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Maryland #D0030948
Medicaid
MD #342561400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912991704. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,896
Distinct HCPCS
10
Medicare allowed
$419,132
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,124 994 $134
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 728 626 $15
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 648 596 $210
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 190 187 $70
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 140 134 $24
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days 137 133 $27
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report 135 135 $196
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 134 134 $14
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 130 130 $22
99215 Established patient office or other outpatient visit, 40-54 minutes 120 109 $187

In context: peer comparison

Among 8 peers in this city , average services per provider: 172. This provider delivers 23× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,833
Patients
971
Total drug cost
$1,003,166
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 557 192 $13,529
Eliquis (Apixaban) Brand 544 149 $681,828
Atorvastatin Calcium Generic 357 131 $6,643
Rosuvastatin Calcium Generic 203 73 $9,203
Xarelto (Rivaroxaban) Brand 199 56 $277,286
Amlodipine Besylate Generic 184 70 $2,203
Losartan Potassium Generic 161 62 $3,108
Furosemide Generic 110 46 $861
Metoprolol Tartrate Generic 105 42 $1,000
Lisinopril Generic 97 38 $1,456

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Porterfield's medical specialty?
Dr. James Porterfield practices Cardiovascular Disease Physician in Towson, MD.
Where does Dr. James Porterfield practice?
Dr. James Porterfield practices at 6569 N Charles St, Towson, MD 212046831. Office phone: 4108255150.
What is Dr. James Porterfield's NPI?
Dr. James Porterfield's National Provider Identifier (NPI) is 1912991704, issued by NPPES.
Does Dr. James Porterfield accept Medicare assignment?
Dr. James Porterfield does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. James Porterfield commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.