Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Arthur J Loerzel, MD FCAP

Anatomic Pathology Physician in Oka Tamuning, GU · enumerated 2007.

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

National Provider Identifier

1851448096

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Registry record

Entity type Individual (Type 1)

Name Dr. Arthur J Loerzel

Credential MD FCAP

Sex Male

Practice address 850 Governor Carlos Camacho Road, Oka Tamuning, GU, 96913

Phone (671) 647-2418

Fax (671) 649-5508

Enumeration date Jan 3, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207ZP0101X Anatomic Pathology Physician Allopathic & Osteopathic Physicians · License M000219 (GU) Primary

Other identifiers

Identifier	Type	State	Issuer
0000BFDBS	Other	-	PIN

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 Arthur Loerzel?

The National Provider Identifier (NPI) for Arthur Loerzel is 1851448096, a Type 1 (individual) record in the CMS NPPES registry.

Where does Arthur Loerzel practice?

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

Other providers at this practice address

Browse all →

Guam Memorial Hospital General Acute Care Hospital · Oka Tamuning, GU NPI 1366519027 Guam Memorial Hospital Skilled Nursing Facility · Oka Tamuning, GU NPI 1952479131 Alix Chenet Internal Medicine Physician · Oka Tamuning, GU NPI 1669530507 Gilbert Lopez Anesthesiology Physician · Oka Tamuning, GU NPI 1265597579 Robert Kwok Diagnostic Radiology Physician · Oka Tamuning, GU NPI 1710043609 Glenn Cunningham Orthopaedic Surgery Physician · Tamuning, GU NPI 1629135348 Aaron Johansen Emergency Medicine Physician · Oka Tamuning, GU NPI 1639226863 James Murphy Emergency Medical Services (Emergency Medicine) Physician · Oka Tamuning, GU NPI 1013074244

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.