Martin Kosztowski M.D.
About this NPIWhat this record shows.
NPI 1740536853 is registered to Martin Kosztowski M.D., a Student in an Organized Health Care Education/Training Program practising at Ucsf Department Of Surgery, 513 Parnassus Avenue, S-321 in San Francisco, California. Student in an Organized Health Care Education/Training Program is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Martin Kosztowski M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2012.
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
- I20250826001059Thoracic SurgeryCA
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 Martin Kosztowski M.D. accepts. To confirm in-network status with your specific health plan, contact Martin Kosztowski M.D. directly at (415) 476-1239.
Frequently asked
Yes. NPI 1740536853 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Student in an Organized Health Care Education/Training Program 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 (415) 476-1239.
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. Martin Kosztowski M.D. is a Type-1 individual NPI.