Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John A. Co, MD, LLC

Organization Cardiovascular Disease Physician · NPI 1336448497

John A. Co, MD, LLC is a Cardiovascular Disease Physician in Ridgewood, New Jersey. Registered with an NPI since 2011.

In the registry since
2011
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

140 Chestnut St Ste 202
Ridgewood, NJ 07450-2562
Phone: (201) 445-0405
Fax: (201) 445-4282
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X

Record details

NPI number1336448497
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Co — Owner · (201) 445-0405
NPI enumeratedMarch 15, 2011
Last updated in NPPESMarch 15, 2011
Mailing address140 Chestnut St, Suite 202, Ridgewood, NJ 07450-2562

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