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Ira A Oliff, MD

Hematology & Oncology Physician in Skokie, IL · enumerated 2005.

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

National Provider Identifier

1336138726

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Registry record

Entity type Individual (Type 1)
Name Ira A Oliff
Credential MD
Sex Male
Practice address Skokie, IL, 60077
Phone (847) 568-9930
Fax (847) 568-9932
Enumeration date Oct 18, 2005
Last updated in NPPES Mar 24, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 036098898 (IL) 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
036098898 Medicaid IL -

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 Ira Oliff?
The National Provider Identifier (NPI) for Ira Oliff is 1336138726, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ira Oliff practice?
The practice location on file with NPPES is in Skokie, IL. 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 2021-03-24.