Philip Petersen MD, PHD
About this NPIWhat this record shows.
NPI 1538797543 is registered to Philip Petersen MD, PHD, a Clinical Pathology Physician practising at 1200 N State St, Suite A7d, Clinic Tower in Los Angeles, California. Clinical Pathology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Philip Petersen MD, PHD has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 52 Clinical Pathology Physician providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
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
- I20260121003118PathologyCA
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 Philip Petersen MD, PHD accepts. To confirm in-network status with your specific health plan, contact Philip Petersen MD, PHD directly at (626) 991-8927.
Frequently asked
Yes. NPI 1538797543 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Pathology 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 (626) 991-8927.
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. Philip Petersen MD, PHD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 52 Clinical Pathology Physician providers are registered in California, and Philip Petersen MD, PHD is one of them. The figure refreshes each month from the federal source.