NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Donald U Stone, M.D.

Ophthalmology Physician in Spokane Valley, WA · enumerated 2006 · practices at Spokane Eye Clinic Ps.

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

National Provider Identifier

1790744860

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Registry record

Entity type Individual (Type 1)
Name Donald U Stone
Credential M.D.
Sex Male
Practice address 16201 E Indiana Ave Ste 5000, Spokane Valley, WA, 99216
Phone (509) 924-7271
Fax (509) 928-7802
Enumeration date Mar 18, 2006
Last updated in NPPES Jul 30, 2024

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MD60836647 (WA) Primary
207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License D82497 (MD) Secondary
207WX0108X Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician Allopathic & Osteopathic Physicians · License MD60836647 (WA) Secondary
207WX0120X Cornea and External Diseases Specialist Physician Allopathic & Osteopathic Physicians · License MD60836647 (WA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
121911100 Medicaid MD -
1790744860 Medicaid ID -
1790744860 Medicaid WA -

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Donald Stone?
Donald Stone is registered in NPPES with the primary taxonomy of Ophthalmology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-30.