Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Haitham Al-Okk, MD

Hematology & Oncology Physician in Vincennes, IN · enumerated 2006.

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

National Provider Identifier

1891891180

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Registry record

Entity type Individual (Type 1)

Name Dr. Haitham Al-Okk

Credential MD

Sex Male

Practice address 520 S 7th St, Vincennes, IN, 47591

Phone (812) 885-6565

Fax (812) 885-6566

Enumeration date Sep 15, 2006

Last updated in NPPES Jun 1, 2010

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 38977 (KY) 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
38977	Other	KY	LICENSE
64082639	Medicaid	KY	-

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.

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Frequently asked questions

What is the NPI number for Haitham Al-Okk?

The National Provider Identifier (NPI) for Haitham Al-Okk is 1891891180, a Type 1 (individual) record in the CMS NPPES registry.

Where does Haitham Al-Okk practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-01.