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
| NPI | 1588620199 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 22, 2006 |
| Last updated in NPPES | Nov 28, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MA52567 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 10,281 |
|---|---|
| Services billed | 26,558 across 40 procedure codes |
| Paid by Medicare | $394,458 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,522 · 15,007 30-day fills |
|---|---|
| Patients | 520 |
| Total drug cost | $861,664 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Hospital affiliation
- Valley HospitalParamus, NJ
Other facilities
- Valley Home Care Inc.Home health agency · Paramus, NJ
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
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $245.27 | 2 |
| Amgen Inc. | $181.14 | 6 |
| Cleerly, Inc. | $180.89 | 1 |
| Novartis Pharmaceuticals Corporation | $50.48 | 3 |
| Pfizer Inc. | $40.92 | 2 |
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
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All 17 cardiologists in Ridgewood · All cardiologists in New Jersey