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

Maria Z Holden

Individual provider Physician Assistant · NPI 1306517685

Maria Z Holden is a Physician Assistant in Hermiston, Oregon. Qualified in 2022, 4 years ago. Practices with Yakima Valley Farm Workers Clinic, a 276-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
4
Licensed in
OR
In the registry since
2021
Specialties on file
2
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Practice location Address checks out

600 NW 11th St Ste E37
Hermiston, OR 97838-8604
Phone: (541) 567-5305
Fax: (541) 667-3831
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA213905 (OR)
Physician Assistant Taxonomy 363A00000X

Record details

NPI number1306517685
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedSeptember 25, 2021
Last updated in NPPESJune 11, 2026
Certification dateJune 11, 2026

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Yakima Valley Farm Workers Clinic — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Hermiston