Martin O'Riordan, MD
Cardiovascular Disease Physician · Darby, PA
Martin O'Riordan, MD is a cardiovascular disease physician with a practice address in Darby, Pennsylvania, and NPI 1528063385, issued on Jun 17, 2005. Check the license (Pennsylvania MD041717E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Martin O'Riordan
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD041717E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1503 Lansdowne Ave, Darby, PA 19023
- Phone
- (610) 526-4100
- Enumerated
- Jun 17, 2005
- Record last updated
- May 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (610) 586-4114
- Medicaid ID
- 0011918290014 PA
- Medicare enrollment
- Enrolled (PECOS I20100428000247); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1987
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,476 in Pennsylvania → Look up another NPI →
Also registered at 1503 Lansdowne Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bharti Asnani, M.D.Infectious Disease Physician1164600417
- John Blannett, MDCardiovascular Disease Physician1780689794
- Bret Boyer, PHDPsychologist1013059831
- Francis Brahmakulam, M.D.Pulmonary Disease Physician1952563165
- Maureen Brolly, PT, ATCPhysical Therapist1700089612
- Neil Cohn, M.D.Psychiatry Physician1699784777
Verify Martin O'Riordan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD041717ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,996 Medicare Part D claims for 660 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Rosuvastatin Calcium501 claims
- Atorvastatin Calcium469 claims
- Metoprolol Succinate400 claims
- Amlodipine Besylate355 claims
- Ezetimibe329 claims
- Eliquis265 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,058.99
57 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Trinity Health Mid-Atlantic Medical GroupSpringfield, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martin O'Riordan among 1,476 cardiovascular disease physician records in Pennsylvania
Martin O'Riordan, MD is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1987 · median 2000 among the 1,003 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 cardiovascular disease physician records list a practice address in Darby
They are 7 of the 465 NPPES records with a practice address in Darby, and 1,476 cardiovascular disease physician records in Pennsylvania.
All 1,476 in Pennsylvania → Every provider in Darby → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- John Blannett, MDDarby, PA 190231780689794
- Joseph Conroy, OSDarby, PA 190231265437834
- Tiffany Holmes, D.O.Darby, PA 190231932562634
- Richard Hunn, MDDarby, PA 190231750386561
- Andrew McGinnis, MDDarby, PA 190231073594669
- Sundermurthy Yamini, MDDarby, PA 190231528471810
- Gurpreet Kochar, MDDrexel Hill, PA 190261407895295
- Edward Laporta, MDDrexel Hill, PA 190261801869490
Common questions
What is Martin O'Riordan, MD's NPI number?
Martin O'Riordan, MD's National Provider Identifier (NPI) is 1528063385, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Martin O'Riordan, MD located?
The NPPES record lists a practice address at 1503 Lansdowne Ave, Darby, PA, 19023. Phone: (610) 526-4100. Providers update this record themselves, so call before visiting.
How can I verify Martin O'Riordan, MD's license?
NPPES lists Pennsylvania license number MD041717E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Martin O'Riordan, MD prescribe under Medicare Part D?
In 2024, Martin O'Riordan, MD had 4,996 Medicare Part D claims for 660 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.