Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Melissa Gayle Clark, PA-C

Physician Assistant in Springfield, IL · enumerated 2006.

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

National Provider Identifier

1598776882

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Registry record

Entity type Individual (Type 1)

Name Mrs. Melissa Gayle Clark

Credential PA-C

Sex Female

Practice address 619 E Mason St, Suite 4p57, Springfield, IL, 62701

Phone (217) 788-0706

Fax (217) 525-2535

Enumeration date Aug 11, 2006

Last updated in NPPES Feb 11, 2014

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085-002601 (IL) Primary

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 is the NPI number for Melissa Clark?

The National Provider Identifier (NPI) for Melissa Clark is 1598776882, a Type 1 (individual) record in the CMS NPPES registry.

Where does Melissa Clark practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-11.