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Douglas M. Long, M.D.

Ophthalmology Physician in Waukesha, WI · enumerated 2006 · practices at Medical Eye Associates, S.C..

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

National Provider Identifier

1255368528

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Registry record

Entity type Individual (Type 1)
Name Douglas M. Long
Credential M.D.
Sex Male
Practice address N19w23993 Ridgeview Pkwy W Ste 100, Waukesha, WI, 53188
Enumeration date Jun 26, 2006
Last updated in NPPES Dec 26, 2023

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 39703 (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
P00449642 Other WI RR MEDICARE
32443200 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.

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Frequently asked questions

What is the NPI number for Douglas Long?
The National Provider Identifier (NPI) for Douglas Long is 1255368528, a Type 1 (individual) record in the CMS NPPES registry.
Where does Douglas Long practice?
The practice location on file with NPPES is in Waukesha, 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 2023-12-26.