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Catherine Anne Long, M.D.

Pediatric Hematology & Oncology Physician in Green Bay, WI · enumerated 2008.

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

National Provider Identifier

1306019138

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Registry record

Entity type Individual (Type 1)
Name Catherine Anne Long
Credential M.D.
Sex Female
Practice address 835 S Van Buren St, Green Bay, WI, 54301
Phone (920) 498-4200
Enumeration date Apr 13, 2008
Last updated in NPPES Jun 11, 2015

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 54052-20 (WI) Secondary
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 54052-20 (WI) Secondary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
2080P0207X Pediatric Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 54052-20 (WI) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Catherine Long?
The National Provider Identifier (NPI) for Catherine Long is 1306019138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Catherine Long practice?
The practice location on file with NPPES is in Green Bay, WI. 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 2015-06-11.