Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mariko Feuz, DO

Individual provider Hospice and Palliative Medicine (Internal Medicine) Physician · NPI 1912575853

Dr. Mariko Feuz, DO is a Hospice/Palliative Care in Walnut Creek, California. Qualified in 2021, 5 years ago. Practices with John Muir Physician Network, a 486-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
5
Licensed in
CA
In the registry since
2021
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1450 Treat Blvd Ste 120A
Walnut Creek, CA 94597-2168
Phone: (925) 296-9720
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence 20A22735 (CA)

Record details

NPI number1912575853
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 16, 2021
Last updated in NPPESSeptember 24, 2025
Certification dateSeptember 24, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPICE/PALLIATIVE CARE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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