Benjamin Duffy, DO
200 Theda Clark Medical Plz Ste 420, Neenah, WI 54956
Source: CMS National Provider Identifier registry Source: CMS NPI registry Data updated July 2026
Nurse Practitioner
Additional locations
Registered specialties
Record provenance
Details are drawn from this provider's public record in the CMS National Provider Identifier registry, which CMS last updated on March 23, 2026. Registry specialty indicates the care a provider is registered to deliver — it is not confirmation that this practice currently prescribes GLP‑1 medications. Call to confirm current services, availability, and pricing.
Nurse practitioners and physician assistants can evaluate patients and prescribe GLP-1 medications in most states (some states require physician collaboration). NP- and PA-led weight loss clinics are often more accessible and lower-cost than physician specialists, with the same medications and structured follow-up.
Call (920) 720-7211 and ask these questions before booking:
About compounded medications: A compounded drug is prepared by a state-licensed compounding pharmacy. Compounded drugs are not FDA-approved and are not reviewed by the FDA for safety, effectiveness, or quality, and they are not the same as FDA-approved generic drugs. Ask any practice which it dispenses and which pharmacy prepares it.
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