Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gordon Crabtree, M.D.

Ophthalmology Physician in Madison, WI · enumerated 2015.

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

National Provider Identifier

1548647696

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Registry record

Entity type Individual (Type 1)

Name Gordon Crabtree

Credential M.D.

Sex Male

Practice address 2880 University Ave, Madison, WI, 53705

Phone (608) 263-7171

Enumeration date Apr 28, 2015

Last updated in NPPES Dec 10, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MT208217 (PA) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 036169570 (IL) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 316022 (NY) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MD466869 (PA) Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 72851-20 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Gordon Crabtree?

The National Provider Identifier (NPI) for Gordon Crabtree is 1548647696, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gordon Crabtree practice?

The practice location on file with NPPES is in Madison, 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 2024-12-10.