Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. WILLIAM EARL ARNOLD ACNP-AG
NPI 1891691952
Emergency Medicine - Emergency Medical Services in Saratoga, WY

Q: What is William Arnold's NPI number?

The NPI number for William Arnold is 1891691952. It was assigned to this individual provider in the NPPES registry on October 15, 2026.

Q: What is William Arnold's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Q: When was this NPI record last updated?

The NPPES record for William Arnold was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 15, 2026

5 SARATOGA LAKE ROAD, BOX 1653, SARATOGA, WY 82331(307) 321-5762 Get Directions Write a Review

NPPES record added: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Mr. William Earl Arnold Acnp-ag NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM EARL ARNOLD ACNP-AG (NPI 1891691952) is an individual emergency medical services provider in Saratoga, Wyoming, licensed in Wyoming (46712) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1891691952

Entity TypeIndividualMale

Primary Taxonomy207PE0004X

Provider Legal NameMR. WILLIAM EARL ARNOLDCredential: ACNP-AG

Location Address5 SARATOGA LAKE ROAD, BOX 1653Saratoga, WY 82331

Mailing Address5 Saratoga Lake Road, Box 1653Saratoga, WY 82331 · (307) 321-5762

Phone(307) 321-5762

Sole ProprietorNo

Enumeration DateOctober 15, 2026

NPPES CertifiedSeptember 20, 2026

✔ NPI 1891691952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians

Taxonomy Code207PE0004X

License✔ Licensed in WY · 46712

Definition

An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.

5 SARATOGA LAKE ROAD, Saratoga, WY 82331

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Arnold's NPI number?

The NPI number for William Arnold is 1891691952. It was assigned to this individual provider in the NPPES registry on October 15, 2026.

Where is William Arnold located?

William Arnold practices at 5 Saratoga Lake Road Box 1653, Saratoga, WY 82331. The listed phone number is (307) 321-5762.

What is William Arnold's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

When was this NPI record last updated?

The NPPES record for William Arnold was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.