Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Jack Avak Tertadian, M.D.

Internal Medicine Physician in Cudahy, WI · enumerated 2006 · practices at Aurora Health Care Metro, Inc..

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

National Provider Identifier

1689780462

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Registry record

Entity type Individual (Type 1)

Name Dr. Jack Avak Tertadian

Credential M.D.

Sex Male

Practice address 5900 S. Lake Drive, Cudahy, WI, 53110

Phone (414) 489-4190

Fax (414) 489-4015

Enumeration date Aug 22, 2006

Last updated in NPPES Aug 2, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 34176-020 (WI) 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
31953000	Medicaid	WI	-

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 Jack Tertadian?

The National Provider Identifier (NPI) for Jack Tertadian is 1689780462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jack Tertadian practice?

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

Other providers at this practice address

Browse all →

Nicholas Armstrong Surgery Physician · Cudahy, WI NPI 1457329534 Meenaxi Shah Internal Medicine Physician · Cudahy, WI NPI 1932217155 Dexter Rebancos Family Medicine Physician · Cudahy, WI NPI 1801974399 Ami Prag Family Medicine Physician · Cudahy, WI NPI 1386722817 Thomas Broihier Cardiovascular Disease Physician · Cudahy, WI NPI 1578641155 Stephen Lamberton Family Medicine Physician · Cudahy, WI NPI 1558435123 Aurora Health Care Metro, Inc. Mental Health Clinic/Center (Including Community Mental Health Center) · Cudahy, WI NPI 1235355983

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-02.