Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathan Muehlstein

Physician Assistant in Alvin, TX · enumerated 2015 · practices at Cornelia L Agent MD PA.

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

National Provider Identifier

1720451123

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Registry record

Entity type Individual (Type 1)

Name Nathan Muehlstein

Sex Male

Practice address 215 W Blackstone Ln, Alvin, TX, 77511

Phone (281) 331-5253

Enumeration date Nov 6, 2015

Last updated in NPPES Nov 6, 2015

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers 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

Where does Nathan Muehlstein practice?

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

What is the NPI number for Nathan Muehlstein?

The National Provider Identifier (NPI) for Nathan Muehlstein is 1720451123, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Cornelia Agent Internal Medicine Physician · Alvin, TX NPI 1457452526 Cornelia L Agent MD PA Internal Medicine Physician · Alvin, TX NPI 1831473354 Eileen Francis Physician Assistant · Alvin, TX NPI 1841533916

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-11-06.