Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1306517685 Individual Practitioner Female Practitioner

Maria Z Holden

Physician Assistant • Hermiston, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Maria Holden is a certified Physician Assistant practicing in Hermiston, OR. With approximately 4 years of clinical experience since completing medical education in 2022, Maria Holden delivers high-quality medical care to the local community at 600 NW 11TH ST STE E37.

Maria Holden maintains professional affiliations with Icco Llc, Yakima Valley Farm Workers Clinic, Good Shepherd Health Care System and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

600 Nw 11th St Ste E37

Hermiston, OR 978388604

Telephone 5415675305
Fax 5416673831

Medicare Profile & Education

Medical School

Other

Graduation Year

2022

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Hermiston, OR

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
4 Yrs -4.9 yrs vs City Avg
City Avg: 8.9 Yrs
State Avg: 10.5 Yrs
Regional Practice Density
17 Specialists

Practicing in Hermiston, OR (2106 Statewide)

Telehealth Adoption Rate
11.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Holden (4 Years) 4 Yrs
Hermiston Specialty Average (8.9 Years) 8.9 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-06-11
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License OR PA213905

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Yakima Valley Farm Workers Clinic

589 Nw 11th St, Hermiston, OR 978386600

Phone: 5035671717

Good Shepherd Health Care System

600 Nw 11th St, Hermiston, OR 978388604

Phone: 5416673400

Icco Llc

598 E 13th Ave, Eugene, OR 974014783

Phone: 5416363473

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

19 Associated Practitioners
Michelle Mcintyre

Nurse Practitioner

NPI 1013337211
Phyllis Hansell , FNP-C

Nurse Practitioner - Family

NPI 1023101631

Family Nurse Practitioner (Certified)

Mary Swihart , CFNP

Nurse Practitioner - Family

NPI 1033139068
Ashley Christensen , ARNP

Nurse Practitioner - Family

NPI 1073082046

Advanced Registered Nurse Practitioner

Sanyi Yoseph Abdissa

Physician Assistant

NPI 1083356018
NPI 1114905825

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
📍
Updated Practice Location June 11, 2026

Registered at 600 NW 11TH ST STE E37, HERMISTON, OR 978388604 (Tel: 5415675305)

📍
Updated Business Mailing Address June 11, 2026

Registered at 600 NW 11TH ST STE E37, HERMISTON, OR 978388604 (Tel: 5415675305)

📍
Updated Practice Location November 13, 2022

Registered at 589 NW 11TH ST, HERMISTON, OR 978386600 (Tel: 5415671717)

📍
Updated Business Mailing Address November 13, 2022

Registered at 589 NW 11TH ST, HERMISTON, OR 978386600 (Tel: 5415671717)

NPI Profile Active September 25, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location September 25, 2021

Registered at 65 E OLIVE AVE APT 104, GILBERT, AZ 852344554 (Tel: 3604802606)

📍
Updated Business Mailing Address September 25, 2021

Registered at 65 E OLIVE AVE APT 104, GILBERT, AZ 852344554 (Tel: 3604802606)

👤
Provider Name / Credentials Updated September 25, 2021

Recorded as MARIA HOLDEN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 25, 2021

Physician Assistant

🟢
Initial NPI Registration & Enumeration September 25, 2021

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1306517685
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 25, 2021
Last Update: June 11, 2026
Sole Proprietor: Yes

Mailing Address

600 Nw 11th St Ste E37

Hermiston, OR 978388604

Phone: 5415675305

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.