John Napierkowski is a Gastroenterology physician. OpenAlex indexes 12 publications with 245 citations (h-index 4).
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
280 Exempla Cir
Lafayette, CO 800263370
Telephone
303-338-4545Provider last certified this registry record 3 Jun 2021.
Industry payments
1 company reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- CONMED CorporationProgram year20251 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- Copper Deficiency: A Rare Cause of Ataxia Following Gastric Bypass Surgery
The American Journal of Gastroenterology
2008 - The Cost-Effectiveness of CT Colonography in Screening for Colorectal Neoplasia
The American Journal of Gastroenterology
2006 - Wireless capsule endoscopy in a community gastroenterology practice.
PubMed
2005 - Efficacy of Bowel Preparation in Capsule Endoscopy: A Prospective, Randomized, Single-Blinded Controlled Study
Gastrointestinal Endoscopy
2005
Similar KOLs
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A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments — shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”