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

Irene Josefina Ventura Zadran, RDN

Individual provider Registered Dietitian · NPI 1316598477

Irene Josefina Ventura Zadran, RDN is a Registered Dietitian OR Nutrition Professional in Walnut Creek, California. Qualified in 2018, 8 years ago. Practices with John Muir Physician Network, a 486-clinician group, accepts Medicare assignment and offers telehealth.

Years since qualifying
8
In the registry since
2019
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

1450 Treat Blvd Ste 130
Walnut Creek, CA 94597-2168
Phone: (925) 941-5076
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 86147551

Record details

NPI number1316598477
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedSeptember 20, 2019
Last updated in NPPESSeptember 26, 2024
Certification dateSeptember 26, 2024

Medicare enrollment

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

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2018 (8 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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