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Dr. Ling Dan Twohig, DO

Interventional Cardiology Physician in Beloit, WI · enumerated 2009.

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

National Provider Identifier

1750523684

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Registry record

Entity type Individual (Type 1)
Name Dr. Ling Dan Twohig
Credential DO
Sex Male
Practice address Beloit, WI, 53511
Fax (608) 364-5452
Enumeration date Mar 24, 2009
Last updated in NPPES Sep 30, 2025

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

Taxonomy & licenses

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 02006049A (IN) Secondary
208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License OP 60100157 (WA) Secondary
207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 22007 (WI) Secondary
207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 77847 (WI) Primary
207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 22007-875 (WI) Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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 Ling Twohig?
The National Provider Identifier (NPI) for Ling Twohig is 1750523684, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ling Twohig practice?
The practice location on file with NPPES is in Beloit, 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 2025-09-30.