Sahir Kalim is a Nephrology physician affiliated with Harvard University. OpenAlex indexes 132 publications with 2,728 citations (h-index 30); ClinicalTrials.gov lists 1 registered study 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
165 Cambridge St
Suite 302
Boston, MA 021142783
Telephone
802-338-7163Registry record last updated 15 Mar 2013.
Clinical trials
- Trial of Carbamylation in Renal Disease-Modulation With Amino Acid Therapy
Sponsor: Massachusetts General Hospital
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
4 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Otsuka Pharmaceutical Co., Ltd.Program year20241 payment
- Alnylam Pharmaceuticals Inc.Program year20231 payment
- Fresenius Kabi USA, LLCProgram year20223 payments
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Medicare prescribing footprint (2024)
The drugs this prescriber writes for Medicare patients, grouped by drug class and therapeutic area. Every percentage is a share of their total prescribing, so you can see what they prescribe most. These are proportions, not patient counts or dollar amounts. No condition is inferred: the claims record what was prescribed, never why.
Cardiovascular
69.6%Beta blocker17.1%Carvedilol68%Labetalol Hcl32%Part D<11 patientsLoop diuretic15.2%Furosemide100%Part D<11 patients+ 4 more classes in this area
Other
24.9%Drugs for treatment of hyperkalemia and hyperphosphatemia14.7%Lokelma100%Part D<11 patientsPhosphate Binder10.1%Sevelamer Carbonate100%Part D<11 patientsMetabolism & gastrointestinal
5.5%Vitamin D3 Analog5.5%Calcitriol100%Part D<11 patients
Drug classes come from the WHO ATC and U.S. National Library of Medicine (RxClass) classifications; prescribing counts come from the CMS Medicare Part D Prescribers file. Each drug is counted once, under its primary class. Medicare fee-for-service only, so no Medicare Advantage, commercial, or pediatric prescribing is included. CMS publishes this data about 17 months after the fact.
NIH funding
3 NIH research awards on record, funded 2015–2022 per NIH RePORTER. The latest:
- Protein Carbamylation and the Progression and Complications of CKD
Massachusetts General Hospital
FY2022$258,245R01DK124453 - Protein Carbamylation and the Progression and Complications of CKD
Massachusetts General Hospital
FY2021$298,459R01DK124453 - Protein Carbamylation and the Progression and Complications of CKD
Massachusetts General Hospital
FY2020$286,368R01DK124453
Awards in the NIH RePORTER records where a principal investigator name matches this physician at an organization in their practice state. Latest award years shown; each row links to the project record on RePORTER.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- Post-translational modifications in kidney diseases and associated cardiovascular risk
Nature Reviews Nephrology
2024 - Glycated Albumin and Adverse Clinical Outcomes in Patients With CKD: A Prospective Cohort Study
American Journal of Kidney Diseases
2024 - Plasma Proteins Associated with Chronic Histopathologic Lesions on Kidney Biopsy
Journal of the American Society of Nephrology
2024 - Metabolites Associated With Uremic Symptoms in Patients With CKD: Findings From the Chronic Renal Insufficiency Cohort (CRIC) Study
American Journal of Kidney Diseases
2024
Similar KOLs
Other experts from the same institution or the same specialty.
Felipe Fregni, MD, MPH
Harvard University
Joseph Antin, MD
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Sarah Fortune, MD
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Elizabeth Buchbinder, MD
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Andrew Levey, MD
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Bertram Kasiske, MD
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Garabed Eknoyan, MD
Baylor College of Medicine
Lawrence Hunsicker, MD
University of Iowa
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.”