Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Eric Ryan Clarkson, DO

Family Medicine Physician in Pratt, KS · enumerated 2007 · practices at Laboratory Corporation of America Holdings.

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

National Provider Identifier

1982802807

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Registry record

Entity type Individual (Type 1)

Name Eric Ryan Clarkson

Credential DO

Sex Male

Practice address Pratt, KS, 67124

Phone (620) 672-7422

Fax (620) 450-1601

Enumeration date Jul 3, 2007

Last updated in NPPES Aug 3, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 05-33348 (KS) 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
05-33348	Other	KS	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Eric Clarkson practice?

The practice location on file with NPPES is in Pratt, KS. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Eric Clarkson?

The National Provider Identifier (NPI) for Eric Clarkson is 1982802807, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

John Fowler Family Medicine Physician · Pratt, KS NPI 1679577159 Sarah Eubank Family Nurse Practitioner · Pratt, KS NPI 1548509359 Laboratory Corporation of America Holdings Clinical Medical Laboratory · Pratt, KS NPI 1770120974 Macy Tillman Family Nurse Practitioner · Pratt, KS NPI 1316838204 Laura Donnenwerth Psychiatric/Mental Health Nurse Practitioner · Pratt, KS NPI 1174415699

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-03.