Mr. Brian Greenberg M.D.
About this NPIWhat this record shows.
NPI 1609074723 is registered to Mr. Brian Greenberg M.D., a Rheumatology Physician practising at 3550 N Interstate Ave in Portland, Oregon. Rheumatology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. Brian Greenberg M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20120123000570RheumatologyOR
- I20240805003382RheumatologyWA
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 Mr. Brian Greenberg M.D. accepts. To confirm in-network status with your specific health plan, contact Mr. Brian Greenberg M.D. directly at (800) 813-2000.
Frequently asked
Yes. NPI 1609074723 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Rheumatology 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 (800) 813-2000.
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. Mr. Brian Greenberg M.D. is a Type-1 individual NPI.