John Co, MD
NPI 1588620199 · Cardiovascular Disease Physician · Ridgewood, NJ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Co, MD is a Cardiovascular Disease Physician provider in Ridgewood, NJ (NPI 1588620199).
Provider details
- NPI number
- 1588620199
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA52567 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
26,489 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 23,972 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 521 | $184 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 346 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 321 | $93 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 297 | $15 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 399 | 112 |
| Rosuvastatin Calcium | 314 | 87 |
| Atorvastatin Calcium | 303 | 89 |
| Losartan Potassium | 266 | 81 |
| Apixabanbrand: Eliquis | 252 | 65 |
| Nifedipinebrand: Nifedipine Er | 247 | 75 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$863 across 35 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-22
- Last updated
- 2012-11-28
Frequently asked questions
- What is John Co's NPI number?
- John Co's National Provider Identifier (NPI) is 1588620199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Co's specialty?
- John Co is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Co located?
- John Co's practice location on file with NPPES is 140 Chestnut St, Ridgewood, NJ 07450-2599.
- What is John Co's phone number?
- The practice phone number listed in the NPPES registry for John Co is (201) 445-0405.
- Does John Co accept Medicare?
- John Co is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Co's NPI active?
- Yes — John Co's NPI (1588620199) is active in the NPPES registry as of the last update on 2012-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.