Nils Johnson is a Cardiology physician affiliated with Memorial Hermann. OpenAlex indexes 343 publications with 8,907 citations (h-index 45); ClinicalTrials.gov lists 2 registered studies matched to this name.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
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
6431 Fannin St
Room Msb 4.256
Houston, TX 770301501
Telephone
713-500-6611Provider last certified this registry record 28 Sept 2022.
Clinical trials
- Combined Pressure and Flow Measurements to Guide Treatment of Coronary Stenoses
Sponsor: The University of Texas Health Science Center, Houston
- CONTRAST (Can cONTrast Injection Better Approximate FFR compAred to Pure reSTing Physiology?)
Sponsor: The University of Texas Health Science Center, Houston
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
8 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Boston Scientific CorporationProgram year20252 payments
- Bracco Diagnostics Inc.Program year20253 payments
- Abbott LaboratoriesProgram 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.
Similar KOLs
Other experts from the same institution or the same specialty.
Sunil Krishnan, MD
Memorial Hermann
Kenneth Gould, MD
Memorial Hermann
Hope Northrup, MD
Memorial Hermann
Anthony Estrera, MD
Memorial Hermann
Deepak Bhatt, MD
Icahn School of Medicine at Mount Sinai
Harlan Krumholz, MD
Yale School of Medicine
Scott Solomon, MD
Brigham and Women's Hospital
Eric Topol, MD
Scripps Research Institute (Scripps Research)
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.”