Dr. Michael Krzyzak M.D.
About this NPIWhat this record shows.
NPI 1922446038 is registered to Dr. Michael Krzyzak M.D., a Internal Medicine practising at 475 Seaview Ave in Staten Island, New York. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Michael Krzyzak M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2013.
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.
Practitioner
- I20160922001677HospitalistNY
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 Dr. Michael Krzyzak M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Michael Krzyzak M.D. directly at (718) 226-9000.
Frequently asked
Yes. NPI 1922446038 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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) 226-9000.
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. Dr. Michael Krzyzak M.D. is a Type-1 individual NPI.