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John Alexander Co, MD

NPI 1588620199ActiveIndividual· Internal Medicine, Cardiovascular Disease· Ridgewood, NJ

Internal Medicine, Cardiovascular Disease (MD) in Ridgewood, New Jersey, licensed in NJ, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $861,664 for 5,522 claims, against $394,458 paid for services in 2024. Novo Nordisk Inc was the largest of 8 companies reporting payments in 2025, $782.66 in all, mostly food and beverage. Lists Valley Hospital as a hospital affiliation.

Overview

NPI1588620199
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedApr 22, 2006
Last updated in NPPESNov 28, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Cardiovascular Disease Primary207RC0000XMA52567NJ

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Cardiovascular Disease (Cardiology) (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients10,281
Services billed26,558 across 40 procedure codes
Paid by Medicare$394,458

Part D prescriptions in 2024

Prescriptions (claims)5,522 · 15,007 30-day fills
Patients520
Total drug cost$861,664
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year1983
Medicare specialtyCardiovascular Disease (Cardiology)

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$782.66 · 19 payments from 8 companies
  • 2024$862.77 · 35 payments from 8 companies

Top paying companies in 2025

CompanyAmountPayments
Novo Nordisk Inc$245.272
Amgen Inc.$181.146
Cleerly, Inc.$180.891
Novartis Pharmaceuticals Corporation$50.483
Pfizer Inc.$40.922

What the 2025 payments were for

  • Food and Beverage$782.66 · 19 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other cardiologists in Ridgewood

All 17 cardiologists in Ridgewood · All cardiologists in New Jersey