DR. MARIKO FEUZ DO
NPI 1912575853
Internal Medicine - Hospice and Palliative Medicine in Walnut Creek, CA

Active since June 16, 2021PECOS EnrolledAccepts Medicare Assignment
1450 TREAT BLVD STE 120A, WALNUT CREEK, CA 94597(925) 296-9720 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mariko Feuz Do NPPES

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

DR. MARIKO FEUZ DO (NPI 1912575853) is an individual hospice and palliative medicine provider in Walnut Creek, California, licensed in California (20A22735) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1912575853
Entity TypeIndividualFemale
Primary Taxonomy207RH0002X
Provider Legal NameDR. MARIKO FEUZCredential: DO
Location Address1450 TREAT BLVD STE 120AWalnut Creek, CA 94597-2168
Mailing Address1450 Treat Blvd Ste 300Walnut Creek, CA 94597-2168 · (925) 952-2828
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 16, 2021
Last NPPES UpdateSeptember 24, 2025
NPPES CertifiedSeptember 24, 2025
NPI 1912575853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License Licensed in CA · 20A22735
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
1450 TREAT BLVD STE 120A, Walnut Creek, CA 94597

Other Names 1

Other Name (5)Dr. Mari Feuz Do

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

Dr. Mariko Feuz Do 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 ID5193127009
PECOS Enrollment IDI20251009003306
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.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Adult Health)
1450 TREAT BLVD STE 120A
WALNUT CREEK, CA 94597
Internal Medicine (Hospice and Palliative Medicine)
1450 TREAT BLVD STE 120A
WALNUT CREEK, CA 94597

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 Mariko Feuz's NPI number?

The NPI number for Mariko Feuz is 1912575853. It was assigned to this individual provider in the NPPES registry on June 16, 2021. The provider is also known as Dr. Mari Feuz Do.

Where is Mariko Feuz located?

Mariko Feuz practices at 1450 Treat Blvd Ste 120A, Walnut Creek, CA 94597. The listed phone number is (925) 296-9720.

What is Mariko Feuz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Mariko Feuz enrolled in Medicare?

Yes. Mariko Feuz 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 Mariko Feuz was last updated on September 24, 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.