Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. STEPHEN GLEN DAVIS II PSY.D.
NPI 1063892164
Psychologist - Clinical in Yreka, CA

Active since June 03, 2015PECOS Enrolled
401 S BROADWAY ST UNIT 217, YREKA, CA 96097(530) 905-0176 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 15, 2020, Jan 30, 2020 (2 updates tracked since 2020).

About Dr. Stephen Glen Davis Ii Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN GLEN DAVIS II PSY.D. (NPI 1063892164) is an individual clinical provider in Yreka, California, licensed in California (PSY25207) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1063892164
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. STEPHEN GLEN DAVIS IICredential: PSY.D.
Location Address401 S BROADWAY ST UNIT 217Yreka, CA 96097-3609
Mailing Address401 S Broadway St Unit 217Yreka, CA 96097-3609 · (530) 905-0176
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateJune 3, 2015
Last NPPES UpdateOctober 21, 20262 updates tracked since enumeration
NPPES CertifiedOctober 21, 2026
✔ NPI 1063892164 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY25207
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
401 S BROADWAY ST UNIT 217, Yreka, CA 96097

Secondary Practice Locations 2

Location 124511 W Jayne AveCoalinga, CA 93210-9503 · Phone (559) 934-8265
Location 2401 S Broadway St Unit 217Yreka, CA 96097-3609 · Phone (530) 905-0176

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

Dr. Stephen Glen Davis Ii Psy.d. 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 ID244581288
PECOS Enrollment IDI20181001002799
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.

Medicare Billing Reassignment

Medicare enrollment records show Stephen Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatric Hospital
2100 NAPA VALLEJO HWY
Napa, CA 94558
  • Reassigned Medicare billing, California enrollment
  • 755 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96097 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$176.60 typical visit price
range $58.87 – $176.60
Typical copayment $44.15 (range $14.71 – $44.15)
Most-billed visit code 99205
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Davis's NPI number?

The NPI number for Stephen Davis is 1063892164. It was assigned to this individual provider in the NPPES registry on June 3, 2015.

Where is Stephen Davis located?

Stephen Davis practices at 401 S Broadway St Unit 217, Yreka, CA 96097. The listed phone number is (530) 905-0176.

What is Stephen Davis's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Stephen Davis enrolled in Medicare?

Yes. Stephen Davis 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 Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Davis reassigns Medicare benefits to Department Of State Hospitals (Napa, 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 Davis'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 Davis was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.