STEPHEN M DIGGS PSY
NPI 1700986908
Psychologist in Chico, CA

Active since September 25, 2006PECOS EnrolledAccepts Medicare Assignment
80 INDEPENDENCE CIR STE 220, CHICO, CA 95973(530) 891-4400(530) 636-4772 Get Directions Write a Review

NPPES record last updated: October 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 29, 2021, Oct 12, 2016, Aug 17, 2016 (3 updates tracked since 2016).

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

NPI1700986908
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameSTEPHEN M DIGGSCredential: PSY
Location Address80 INDEPENDENCE CIR STE 220Chico, CA 95973-0288
Mailing Address80 Independence Cir Ste 220Chico, CA 95973-0288 · (530) 891-4400 · Fax (530) 636-4772
Fax(530) 636-4772
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateSeptember 25, 2006
Last NPPES UpdateOctober 2, 20253 updates tracked since enumeration
NPPES CertifiedOctober 2, 2025
NPI 1700986908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · PSY18239
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
80 INDEPENDENCE CIR STE 220, Chico, CA 95973

Other Identifiers 1

MedicaidPSY182390CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID5193610269
PECOS Enrollment IDI20040217001194
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
573 services15 patients

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.

Marriage & Family Therapist
80 INDEPENDENCE CIR STE 220
CHICO, CA 95973
Psychologist (Clinical)
80 INDEPENDENCE CIR STE 220
CHICO, CA 95973
Marriage & Family Therapist
80 INDEPENDENCE CIR STE 220
CHICO, CA 95973
Marriage & Family Therapist
80 INDEPENDENCE CIR STE 220
CHICO, CA 95973
Social Worker (Clinical)
80 INDEPENDENCE CIR STE 220
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.

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 10 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.