Seth McClennen, MD
Clinical Cardiac Electrophysiology Physician · South Weymouth, MA
Seth McClennen, MD is a clinical cardiac electrophysiology physician with a practice address in South Weymouth, Massachusetts, and NPI 1265419410, issued on Dec 29, 2005. Check the license (Massachusetts 160065, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Seth McClennen
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- 160065 MA
Self-reported in NPPES; status is on the state search - Practice location
- 541 Main St, South Weymouth, MA 02190
- Phone
- (781) 952-1200
- Enumerated
- Dec 29, 2005
- Record last updated
- Mar 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (781) 340-1610
- Medicaid ID
- 2062861 MA
- Medicare enrollment
- Enrolled (PECOS I20040407000032); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 116 in Massachusetts → Look up another NPI →
Also registered at 541 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dana AnstettMental Health Counselor1770857286
- Tara Armstrong, PA-CMedical Physician Assistant1811049414
- Richard Ashburn, MDPulmonary Disease Physician1861492746
- John Casey, D.C.Chiropractor1700805181
- Charles Chalko, D.O.Internal Medicine Physician1548218126
- Jeanne Colton, NPNurse Practitioner1992782072
Verify Seth McClennen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 160065Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average clinical cardiac electrophysiology physician in 2024
9,771 Medicare Part D claims for 1,362 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Eliquis1,538 claims
- Metoprolol Succinate1,531 claims
- Furosemide643 claims
- Atorvastatin Calcium637 claims
- Diltiazem 24hr Er (Cd)519 claims
- Lisinopril494 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: $206.82
2 payments; by number, the most common kind was food and beverage; the largest payer was Impulse Dynamics (USA) Inc. The 3,167 providers of this specialty with any payment received $10,651.37 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 3 group practices
- Brigham And Womens Physicians Organization IncBoston, MA
- Harbor Medical Associates IncS Weymouth, MA
- Mass General Brigham Medical Group Suburban Massachusetts IncPembroke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seth McClennen among 116 clinical cardiac electrophysiology physician records in Massachusetts
Seth McClennen, MD is one of 116 clinical cardiac electrophysiology physician 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1997 · median 2002 among the 93 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Massachusetts
There are 116 clinical cardiac electrophysiology physician records in Massachusetts.
All 116 in Massachusetts → Every provider in South Weymouth → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Alexei Shvilkin, M.D.South Weymouth, MA 021901336107390
- Jennifer Chee, MDMelrose, MA 021761598185654
- Begona Benito Villabriga, MDBoston, MA 022151528376464
- Alfred Buxton, MDBoston, MA 022151598786063
- Andreluiz D'Avila, MD PHDBoston, MA 022151881709111
- Charles Haffajee, MDBoston, MA 022151952397523
- Daniel Kramer, MD, MPHBoston, MA 022151710013495
- Hyon Lee, M.D.Boston, MA 022151104052240
Common questions
What is Seth McClennen, MD's NPI number?
Seth McClennen, MD's National Provider Identifier (NPI) is 1265419410, issued on Dec 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Seth McClennen, MD located?
The NPPES record lists a practice address at 541 Main St, South Weymouth, MA, 02190. Phone: (781) 952-1200. Providers update this record themselves, so call before visiting.
How can I verify Seth McClennen, MD's license?
NPPES lists Massachusetts license number 160065, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Seth McClennen, MD prescribe under Medicare Part D?
In 2024, Seth McClennen, MD had 9,771 Medicare Part D claims for 1,362 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.