Dr. Gregory Thalken MD
About this NPIWhat this record shows.
NPI 1861547317 is registered to Dr. Gregory Thalken MD, a Diagnostic Radiology practising at 2801 Atlantic Ave in Long Beach, California. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Dr. Gregory Thalken MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Medicare enrollment
This provider holds 17 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
- I20130919000501Diagnostic RadiologyMS
- I20190109002556Diagnostic RadiologyMN
- I20191203001812Diagnostic RadiologyCA
- I20191205001399Diagnostic RadiologyNJ
- I20200115000214Diagnostic RadiologyNV
- I20201202001675Diagnostic RadiologyHI
- I20210311002800Diagnostic RadiologyLA
- I20210827001486Diagnostic RadiologyKY
- I20211011002305Diagnostic RadiologyIN
- I20211013002483Diagnostic RadiologyOR
- I20230329001572Diagnostic RadiologyAR
- I20230525000848Diagnostic RadiologyIL
- I20240911000138Diagnostic RadiologyTX
- I20250708003145Diagnostic RadiologyAL
- I20250825002952Diagnostic RadiologyPA
- I20251126004094Diagnostic RadiologyOH
- I20260304000252Diagnostic RadiologyMI
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. Gregory Thalken MD accepts. To confirm in-network status with your specific health plan, contact Dr. Gregory Thalken MD directly at (562) 933-1550.
Frequently asked
Yes. NPI 1861547317 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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 (562) 933-1550.
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. Gregory Thalken MD is a Type-1 individual NPI.