Elizabeth C. Riordan, M.D.
Surgery Physician · Meriden, CT
Elizabeth C. Riordan, M.D. is a surgery physician with a practice address in Meriden, Connecticut, and NPI 1528078995, issued on Aug 9, 2006. Check the license (Connecticut 045438, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Elizabeth C. Riordan
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 045438 CT
Self-reported in NPPES; status is on the state search - Practice location
- 455 Lewis Ave, Meriden, CT 06451
- Phone
- (203) 238-2691
- Enumerated
- Aug 9, 2006
- Record last updated
- May 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 235-3128
- Medicaid ID
- 01837214 NY
- Medicare enrollment
- Enrolled (PECOS I20070920000020); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 360 in Connecticut → Look up another NPI →
Also registered at 455 Lewis Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aurangzeb Ali, M.D.Surgery Physician1063464261
- Julie Ali, APRN, CRNACertified Registered Nurse Anesthetist1376735407
- Susan Alsamarai, MDHematology & Oncology Physician1174734768
- Cristobal Alvarado, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1578530333
- Rafal Barczak, MDColon & Rectal Surgery Physician1639316177
- Aziz Benbrahim, MDSurgery Physician1205844677
Verify Elizabeth C. Riordan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 045438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average surgery physician in 2024
14 Medicare Part D claims for 11 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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: $210.56
7 payments; by number, the most common kind was food and beverage; the largest payer was Kub Technologies Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Prospect CT Medical Foundation IncManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth C. Riordan among 360 surgery physician records in Connecticut
Elizabeth C. Riordan, M.D. is one of 360 surgery physician records with a practice address in Connecticut. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1991 · median 2002 among the 219 with a school on file
- Record last updated2008 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Connecticut
There are 360 surgery physician records in Connecticut.
All 360 in Connecticut → Every provider in Meriden → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Marwan Al Aoudi, MBB.CHMeriden, CT 064511104322700
- Aurangzeb Ali, M.D.Meriden, CT 064511063464261
- Aziz Benbrahim, MDMeriden, CT 064511205844677
- Peter Leff, M.D.Meriden, CT 064511669426508
- Louis Meyer, MDMeriden, CT 064511073521423
- Nicholas Verdura, M.D.Meriden, CT 064511760645618
- Jonathan Aranow, MDMiddletown, CT 064571922176825
- Jonathan Blancaflor, MDMiddletown, CT 064571952479750
Common questions
What is Elizabeth C. Riordan, M.D.'s NPI number?
Elizabeth C. Riordan, M.D.'s National Provider Identifier (NPI) is 1528078995, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth C. Riordan, M.D. located?
The NPPES record lists a practice address at 455 Lewis Ave, Meriden, CT, 06451. Phone: (203) 238-2691. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth C. Riordan, M.D.'s license?
NPPES lists Connecticut license number 045438, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth C. Riordan, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth C. Riordan, M.D. had 14 Medicare Part D claims for 11 beneficiaries; the average among surgery physician prescribers was 147. 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.