Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jack Diep, MD

Interventional Pain Medicine Physician in Lake Havasu City, AZ · enumerated 2013.

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

National Provider Identifier

1912333014

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Registry record

Entity type Individual (Type 1)

Name Dr. Jack Diep

Credential MD

Sex Male

Practice address 1791 Mesquite Ave, Lake Havasu City, AZ, 86403

Phone (928) 505-5555

Fax (928) 505-2877

Enumeration date Sep 20, 2013

Last updated in NPPES Sep 27, 2022

Taxonomy & licenses

207LP2900X Pain Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License 55528 (AZ) Secondary

208VP0000X Pain Medicine Physician Allopathic & Osteopathic Physicians · License 55528 (AZ) Secondary

208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License 55528 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
369607	Medicaid	AZ	-

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 specialty is Jack Diep?

Jack Diep is registered in NPPES with the primary taxonomy of Interventional Pain Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-27.