Prof. Marsha Treadwell PHD
About this NPIWhat this record shows.
NPI 1851955058 is registered to Prof. Marsha Treadwell PHD, a Health Service Psychologist practising at 747 52nd St in Oakland, California. Health Service Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Prof. Marsha Treadwell PHD has been enumerated in the National Provider Identifier (NPI) registry since 2019.
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
- I20191227001157Clinical PsychologistCA
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 Prof. Marsha Treadwell PHD accepts. To confirm in-network status with your specific health plan, contact Prof. Marsha Treadwell PHD directly at (510) 428-3356.
Frequently asked
Yes. NPI 1851955058 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Health Service Psychologist 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 (510) 428-3356.
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. Prof. Marsha Treadwell PHD is a Type-1 individual NPI.