Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Arlynn H Hartfiel MD PA

Family Medicine Physician in Seguin, TX · enumerated 2010 · authorized official Arlynn Hartfiel, President.

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

National Provider Identifier

1245556794

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Registry record

Entity type Organization (Type 2)

Legal business name Arlynn H Hartfiel MD PA

Practice address 519 N King St Ste 103, Seguin, TX, 78155

Phone (830) 372-1980

Fax (830) 372-2930

Enumeration date Apr 8, 2010

Last updated in NPPES Apr 8, 2010

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License E8540 (TX) Primary

Authorized official

Name Arlynn Hartfiel

Title President

Phone (830) 372-1980

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 is Arlynn H Hartfiel MD PA located?

The practice location on file with NPPES is in Seguin, TX.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2010-04-08. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-08.