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

Mary K McCarthy Holloway, MD

Individual provider Psychiatry Physician · NPI 1790854610

Mary K McCarthy Holloway, MD practises Psychiatry in Garibaldi, Oregon. Graduated from Oregon Health Sciences University School of Medicine in 1982, 44 years ago. Practices with Tillamook Family Counseling Center, an 8-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
44
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
OR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 827
Garibaldi, OR 97118-0827
Phone: (503) 559-7333
Fax: (971) 265-1031
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD13707 (OR)

Record details

NPI number1790854610
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 7, 2006
Last updated in NPPESJanuary 28, 2026
Certification dateJanuary 28, 2026

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Tillamook Family Counseling Center — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Tillamook Family Counseling Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.