Sabu John & Mary Mallappallil Physician P.C
About this NPIWhat this record shows.
NPI 1821312083 is registered to Sabu John & Mary Mallappallil Physician P.C, a healthcare organisation classified as "Cardiovascular Disease" and located at 322 Linden Blvd in Brooklyn, New York. The organisation's authorised official is Sabu John. The organisation has been enumerated in the NPI registry since 2010.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Part B Supplier
- O20100524000067Clinic/Group PracticeNY
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Sabu John & Mary Mallappallil Physician P.C accepts. To confirm in-network status with your specific health plan, contact Sabu John & Mary Mallappallil Physician P.C directly at (718) 282-0801.
Frequently asked
Yes. NPI 1821312083 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (718) 282-0801.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Sabu John & Mary Mallappallil Physician P.C is a Type-2 organisational NPI.