Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary K Barnhart, M.D.

Surgery Physician in Gresham, OR · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1215048665

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary K Barnhart

Credential M.D.

Sex Female

Practice address 831 Nw Council Dr, Suite 301, Gresham, OR, 97030

Phone (503) 661-9700

Fax (503) 661-9800

Enumeration date Aug 31, 2006

Last updated in NPPES Sep 25, 2008

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MD15055 (OR) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Mary Barnhart?

Mary Barnhart is registered in NPPES with the primary taxonomy of Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Svetlana Taycher Family Medicine Physician · Gresham, OR NPI 1215992466 James Webb Family Medicine Physician · Gresham, OR NPI 1942266838 Robert Bergstrom Internal Medicine Physician · Gresham, OR NPI 1982660700 Gresham Podiatry Center, LLC Foot & Ankle Surgery Podiatrist · Gresham, OR NPI 1891742318 Nhat Nguyen Pain Medicine (Anesthesiology) Physician · Gresham, OR NPI 1841238128 Pain Relief Specialist Northwest PC Interventional Pain Medicine Physician · Gresham, OR NPI 1396783023 Craig Davis Internal Medicine Physician · Gresham, OR NPI 1508975715 Barbara Troxel Adult Health Nurse Practitioner · Gresham, OR NPI 1659473189

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-25.