Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeffrey L Dryden, D.O.

Internal Medicine Physician in West Plains, MO · enumerated 2005.

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

National Provider Identifier

1316923956

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Registry record

Entity type Individual (Type 1)

Name Jeffrey L Dryden

Credential D.O.

Sex Male

Practice address 1100 N Kentucky Ave, West Plains, MO, 65775

Phone (417) 256-9111

Fax (417) 257-5999

Enumeration date Dec 15, 2005

Last updated in NPPES Nov 12, 2024

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License R5D34 (MO) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License R5D34 (MO) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
125592003	Medicaid	AR	-
1316923956	Medicaid	MO	-

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 Jeffrey Dryden?

Jeffrey Dryden is registered in NPPES with the primary taxonomy of Internal Medicine 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 2024-11-12.