Karen Frei is a Neurology physician affiliated with Loma Linda University. OpenAlex indexes 79 publications with 2,717 citations (h-index 23).
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
11370 Anderson St # B-100
Loma Linda, CA 92354
Telephone
909-588-2880Registry record last updated 26 Jun 2018.
Industry payments
13 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Medtronic, Inc.Program year20255 payments
- Merz Pharmaceuticals, LLCProgram year20251 payment
- Boston Scientific 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.
- Comparative Analysis of Deutetrabenazine and Valbenazine as VMAT2 Inhibitors for Tardive Dyskinesia: A Systematic Review
Tremor and Other Hyperkinetic Movements
2024
Similar KOLs
Other experts from the same institution or the same specialty.
Gary Fraser, MD
Loma Linda University
Jeffrey Rosenfeld, MD
Loma Linda University
Richard Robison, MD
Loma Linda University
Howard Gimbel, MD
Loma Linda University
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.”