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FIONNA MARIE DAVIS LCSW
NPI 1962794776
Social Worker - Clinical in Eureka, CA

Active since May 11, 2011PECOS EnrolledAccepts Medicare Assignment
2255 MYRTLE AVE, SUITE A, EUREKA, CA 95501(707) 497-6137 Get Directions Write a Review

NPPES record last updated: April 10, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 10, 2020, Jul 30, 2019 (2 updates tracked since 2019).

About Fionna Marie Davis Lcsw NPPES

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

FIONNA MARIE DAVIS LCSW (NPI 1962794776) is an individual clinical provider in Eureka, California, licensed in California (26783) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mckinleyville, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1962794776
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameFIONNA MARIE DAVISCredential: LCSW
Location Address2255 MYRTLE AVE, SUITE AEureka, CA 95501
Mailing AddressPo Box 6252Eureka, CA 95502-6252 · (707) 497-6137 · Fax (707) 443-3204
Phone(707) 497-6137
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateMay 11, 2011
Last NPPES UpdateApril 10, 20202 updates tracked since enumeration
NPPES CertifiedApril 10, 2020
✔ NPI 1962794776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 26783
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
2255 MYRTLE AVE, SUITE A, Eureka, CA 95501
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Secondary Practice Location 1

Location 11644 Central AveMcKinleyville, CA 95519-4342 · Phone (707) 839-3068 · Fax (707) 839-3827

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

Fionna Marie Davis Lcsw 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 ID2668723214
PECOS Enrollment IDI20180921000392
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 Reassignments

2

Medicare enrollment records show Fionna Davis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

An Elegant Sufficiency, A Psychological Corporation
244 mi
Clinical
2431 W MARCH LN STE 200
Stockton, CA 95207
  • Reassigned Medicare billing, California enrollment
  • 29 clinicians in this Medicare group
NPI 1427655810 (209) 200-8305
Mood Clinical, P. C.
594 mi
Family
980 W 17TH ST STE C
Santa Ana, CA 92706
  • Reassigned Medicare billing, California enrollment
  • 182 clinicians in this Medicare group
NPI 1922675644 (619) 639-9730

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 95501 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
$0.00 typical visit price
range $58.87 – $176.60
Typical copayment $0.00 (range $14.71 – $44.15)
Most-billed visit code NA
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
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 Fionna Davis's NPI number?

The NPI number for Fionna Davis is 1962794776. It was assigned to this individual provider in the NPPES registry on May 11, 2011.

Where is Fionna Davis located?

Fionna Davis practices at 2255 Myrtle Ave, Suite A, Eureka, CA 95501. The listed phone number is (707) 497-6137.

What is Fionna Davis's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Fionna Davis enrolled in Medicare?

Yes. Fionna 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 organizations bill Medicare for Fionna Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fionna Davis reassigns Medicare benefits to 2 organizations: An Elegant Sufficiency, A Psychological Corporation (Stockton, CA) and Mood Clinical, P. C. (Santa Ana, CA). Each 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 Fionna 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 Fionna Davis was last updated on April 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.