STEPHEN M DIGGS PSY
NPI 1700986908
Psychologist in Chico, CA
About Stephen M Diggs Psy NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN M DIGGS PSY (NPI 1700986908) is an individual psychologist in Chico, California, licensed in California (PSY18239) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Stephen M Diggs Psy is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Stephen Diggs reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chico, CA 95973
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICO, CA 95973
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Diggs's NPI number?
The NPI number for Stephen Diggs is 1700986908. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Stephen Diggs located?
Stephen Diggs practices at 80 Independence Cir Ste 220, Chico, CA 95973. The listed phone number is (530) 891-4400.
What is Stephen Diggs's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Stephen Diggs enrolled in Medicare?
Yes. Stephen Diggs is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Stephen Diggs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Diggs reassigns Medicare benefits to Nysa Therapy Inc (Chico, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Diggs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stephen Diggs was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.