Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Donald Edward Patterson, MD

Vascular Surgery Physician in Evansville, IN · enumerated 2006 · practices at Evansville Surgical Associates Inc.

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

National Provider Identifier

1356390710

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Registry record

Entity type Individual (Type 1)

Name Dr. Donald Edward Patterson

Credential MD

Sex Male

Practice address 520 Mary St Ste 520, Evansville, IN, 47710

Phone (812) 424-8231

Fax (812) 435-8794

Enumeration date May 10, 2006

Last updated in NPPES Mar 5, 2024

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 01063578A (IN) Secondary

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 01063578A (IN) 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
64075906	Medicaid	KY	-
200857160	Medicaid	IN	-
000000749870	Other	IN	ANTHEM BCBS
01063578	Other	IN	INDIANA STATE LICENSE

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

What specialty is Donald Patterson?

Donald Patterson is registered in NPPES with the primary taxonomy of Vascular Surgery 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 2024-03-05.