Dr. Daniel Krellenstein MD
About this NPIWhat this record shows.
NPI 1508940388 is registered to Dr. Daniel Krellenstein MD, a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician practising at 16 East 98th Street, Suite 1f in New York, New York. Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Daniel Krellenstein MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 00438317NY
Source: NPPES public registry.
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. Daniel Krellenstein MD accepts. To confirm in-network status with your specific health plan, contact Dr. Daniel Krellenstein MD directly at (212) 423-9311.
Frequently asked
Yes. NPI 1508940388 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (212) 423-9311.
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. Daniel Krellenstein MD is a Type-1 individual NPI.