John P. Marenco, M.D.
Clinical Cardiac Electrophysiology Physician · Springfield, MA
John P. Marenco, M.D. is a clinical cardiac electrophysiology physician with a practice address in Springfield, Massachusetts, and NPI 1669441374, issued on Mar 15, 2006. Check the license (Massachusetts 157824, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John P. Marenco
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- 157824 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Stafford St Ste 154, Springfield, MA 01104
- Phone
- (413) 748-7095
- Enumerated
- Mar 15, 2006
- Record last updated
- Jun 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (413) 733-5604
- Medicaid ID
- 0190471 MA
- Medicare enrollment
- Enrolled (PECOS I20040916000996); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 116 in Massachusetts → Look up another NPI →
Also registered at 300 Stafford St Ste 154
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dawn Grimaldi, FNP-BCNurse Practitioner1043031420
- Samantha Lyman, PA-CMedical Physician Assistant1407297971
- Lisa Maheu, PA-CMedical Physician Assistant1215952239
- Nadavaluru Reddy, MDClinical Cardiac Electrophysiology Physician1689852691
Verify John P. Marenco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 157824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
2,134 Medicare Part D claims for 435 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Eliquis306 claims
- Metoprolol Succinate202 claims
- Atorvastatin Calcium97 claims
- Carvedilol96 claims
- Amlodipine Besylate81 claims
- Furosemide79 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: $5,064.11
60 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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 one group practice
- Pioneer Valley Cardiology Associates, IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Marenco among 116 clinical cardiac electrophysiology physician records in Massachusetts
John P. Marenco, M.D. 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 56% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1995 · median 2002 among the 93 with a school on file
- Record last updated2021 · 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 Springfield → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Nadavaluru Reddy, MDSpringfield, MA 011041689852691
- Abhishek Bhagat, M.D.Springfield, MA 011031568918811
- Paul Madaj, M.D.Springfield, MA 011031679994396
- Fadi Chalhoub, M.D.Springfield, MA 011071134307937
- James Cook, MDSpringfield, MA 011071679580393
- Marshal Fox, M.D.Springfield, MA 011071093962334
- Kyle Gobeil, D.O.Springfield, MA 011991841653557
- Peter Ofman, MDAyer, MA 014321184739955
Common questions
What is John P. Marenco, M.D.'s NPI number?
John P. Marenco, M.D.'s National Provider Identifier (NPI) is 1669441374, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Marenco, M.D. located?
The NPPES record lists a practice address at 300 Stafford St Ste 154, Springfield, MA, 01104. Phone: (413) 748-7095. Providers update this record themselves, so call before visiting.
How can I verify John P. Marenco, M.D.'s license?
NPPES lists Massachusetts license number 157824, 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 John P. Marenco, M.D. prescribe under Medicare Part D?
In 2024, John P. Marenco, M.D. had 2,134 Medicare Part D claims for 435 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.