Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John W Merrell, P.A.

Q: What is the NPI number for John Merrell?

The National Provider Identifier (NPI) for John Merrell is 1912961897, a Type 1 (individual) record in the CMS NPPES registry.

Surgical Physician Assistant in Round Rock, TX · enumerated 2006 · practices at Scott and White Healthcare.

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

National Provider Identifier

1912961897

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Registry record

Entity type Individual (Type 1)

Name John W Merrell

Credential P.A.

Sex Male

Practice address 302 University Blvd, Round Rock, TX, 78665

Phone (512) 509-0200

Fax (512) 218-6330

Enumeration date Apr 17, 2006

Last updated in NPPES Jan 2, 2020

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License A10176 (LA) Secondary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA2181 (TN) Secondary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA13272 (TX) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier	Type	State	Issuer
1625795	Medicaid	LA	-

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 John Merrell practice?

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

What is the NPI number for John Merrell?

The National Provider Identifier (NPI) for John Merrell is 1912961897, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-02.