Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Donald Gregory Weston III, MD

Addiction Medicine (Anesthesiology) Physician in Grand Rapids, MI · enumerated 2006.

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

National Provider Identifier

1992784722

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Registry record

Entity type Individual (Type 1)

Name Dr. Donald Gregory Weston III

Credential MD

Sex Male

Practice address 3210 Eagle Run Dr Ne, Suite 100, Grand Rapids, MI, 49525

Phone (616) 957-1200

Fax (616) 957-1297

Enumeration date Jan 11, 2006

Last updated in NPPES May 31, 2013

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 4301049265 (MI) Secondary

207LA0401X Addiction Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License 4301049265 (MI) Primary

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
3514590	Medicaid	MI	-

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 Weston?

Donald Weston is registered in NPPES with the primary taxonomy of Addiction Medicine (Anesthesiology) 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 2013-05-31.