Matthew H. Riordan, DPM
Foot & Ankle Surgery Podiatrist · Chelmsford, MA
Matthew H. Riordan, DPM is a foot & ankle surgery podiatrist with a practice address in Chelmsford, Massachusetts, and NPI 1710114269, issued on Jun 11, 2009. Check the license (Massachusetts 1244, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew H. Riordan
- Credential
- DPM
- Primary taxonomy
- Foot & Ankle Surgery Podiatrist 213ES0103X
- License number
- 1244 MA
Self-reported in NPPES; status is on the state search - Practice location
- 4 Courthouse LN, Chelmsford, MA 01824
- Phone
- (978) 441-9241
- Enumerated
- Jun 11, 2009
- Record last updated
- Jun 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120730000240); accepts Medicare assignment
- Medical or professional school
- New York College Of Podiatric Medicine, 2009
- Entity
- Type 1 · individual
8 nearest foot & ankle surgery podiatrist records → All 127 in Massachusetts → Look up another NPI →
Also registered at 4 Courthouse LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shanna Chow, NPGerontology Nurse Practitioner1992534259
- Richard Deamicis, M.D.Internal Medicine Physician1801865233
- Timothy Downs, D.P.MFoot & Ankle Surgery Podiatrist1053370312
- Jerold Fleishman, DPMFoot & Ankle Surgery Podiatrist1770543753
- Patricia Kim, DPMFoot & Ankle Surgery Podiatrist1881914216
- Jude Matseas, NPFamily Nurse Practitioner1376697219
Verify Matthew H. Riordan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024
166 Medicare Part D claims for 95 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Mupirocin33 claims
- Methylprednisolone26 claims
- Clotrimazole-Betamethasone22 claims
- Doxycycline Hyclate22 claims
- Cephalexin14 claims
- Econazole Nitrate14 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: $48.46
2 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 6,936 providers of this specialty with any payment received $2,972.24 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
- New England Foot And Ankle PCChelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew H. Riordan among 127 foot & ankle surgery podiatrist records in Massachusetts
Matthew H. Riordan, DPM is one of 127 foot & ankle surgery podiatrist records with a practice address in Massachusetts. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 41% of them.
- NPI issued2009 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2009 · median 2011 among the 101 with a school on file
- Record last updated2015 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0103X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Foot & Ankle Surgery Podiatrist providers in Massachusetts
There are 127 foot & ankle surgery podiatrist records in Massachusetts.
All 127 in Massachusetts → Every provider in Chelmsford → Foot & Ankle Surgery Podiatrist nationwide →
The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes
- Timothy Downs, D.P.MChelmsford, MA 018241053370312
- Jerold Fleishman, DPMChelmsford, MA 018241770543753
- Paul Georges, DPMChelmsford, MA 018241104268416
- Patricia Kim, DPMChelmsford, MA 018241881914216
- Jessica Olson, D.P.M.Chelmsford, MA 018241659799971
- Adam Lang, DPMAndover, MA 018101518257468
- Nicholas CiotolaMethuen, MA 018441205248127
- Jyothi Amin, D.P.MNorth Andover, MA 018451417188624
Common questions
What is Matthew H. Riordan, DPM's NPI number?
Matthew H. Riordan, DPM's National Provider Identifier (NPI) is 1710114269, issued on Jun 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Matthew H. Riordan, DPM located?
The NPPES record lists a practice address at 4 Courthouse LN, Chelmsford, MA, 01824. Phone: (978) 441-9241. Providers update this record themselves, so call before visiting.
How can I verify Matthew H. Riordan, DPM's license?
NPPES lists Massachusetts license number 1244, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew H. Riordan, DPM prescribe under Medicare Part D?
In 2024, Matthew H. Riordan, DPM had 166 Medicare Part D claims for 95 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. 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.