Doctor profile · Federal record

Dr. Martin O'Riordan, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Darby, PA

  • NPI 1528063385
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1503 Lansdowne Ave, Ste 3001
Darby, PA 190231330
(610) 526-4100
fax (610) 586-4114
Mailing address
41 University Dr Ste 106
Newtown, PA 189401873

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
May 25, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Pennsylvania #MD041717E
Medicaid
PA #0011918290014

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528063385. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,398
Distinct HCPCS
10
Medicare allowed
$202,185
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 733 435 $15
99214 Established patient office or other outpatient visit, 30-39 minutes 702 394 $132
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 132 48 $122
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 115 114 $70
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93 83 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 91 87 $206
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 87 36 $81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 78 60 $179
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 42 38 $3
99215 Established patient office or other outpatient visit, 40-54 minutes 40 37 $183

In context: peer comparison

Among 4 peers in Darby Cardiovascular Disease Physician, average services per provider: 111. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,059
Transactions
57
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 23 $404.71
Boehringer Ingelheim Pharmaceuticals, INC. 7 $167.67
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 10 $128.74
E.R. Squibb & Sons, L.L.C. 5 $96.85
Pfizer INC. 4 $90.64
Amgen INC. 2 $52.88
Novo Nordisk INC 2 $41.07
Esperion Therapeutics, INC. 2 $37.93
Alnylam Pharmaceuticals INC. 1 $24.43
Merck Sharp & Dohme LLC 1 $14.07

By nature of payment

Food and Beverage
$1,059

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,369
Patients
1,006
Total drug cost
$452,844
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 482 148 $13,160
Atorvastatin Calcium Generic 460 134 $7,818
Metoprolol Succinate Generic 348 106 $6,691
Amlodipine Besylate Generic 337 109 $3,140
Eliquis (Apixaban) Brand 252 55 $286,808
Ezetimibe Generic 239 71 $13,641
Furosemide Generic 177 58 $924
Losartan Potassium Generic 175 56 $2,646
Lisinopril Generic 173 57 $2,178
Carvedilol Generic 152 47 $2,234

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin O'Riordan's medical specialty?
Dr. Martin O'Riordan practices Cardiovascular Disease Physician in Darby, PA.
Where does Dr. Martin O'Riordan practice?
Dr. Martin O'Riordan practices at 1503 Lansdowne Ave, Darby, PA 190231330. Office phone: 6105264100.
What is Dr. Martin O'Riordan's NPI?
Dr. Martin O'Riordan's National Provider Identifier (NPI) is 1528063385, issued by NPPES.
Does Dr. Martin O'Riordan accept Medicare assignment?
Yes. Dr. Martin O'Riordan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martin O'Riordan commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.