Drug Fibroblast Growth Factor 23 Fgf23 Blocking Antibody

Crysvita

Payments companies reported to CMS as associated with Crysvita. "Associated with" is CMS's wording: it links a payment to a product without saying the money was spent on it.

$2.2Massociated payments (2023-2025)
10,700clinicians with associated payments
4companies reporting

By year

2023 $400K
2024 $916K
2025 $923K

Payments reported as associated with Crysvita, per program year, as reported to CMS.

Who makes it

Specialties most often involved

Endocrinology, Diabetes & Metabolism $491K
Pediatric Endocrinology $312K
Rheumatology $226K
Nephrology (Internal Medicine) $176K
Pediatrics $173K
Internal Medicine $118K

Where the associated payments went, by the receiving clinician's specialty.

Clinicians most associated with Crysvita

These are the largest totals companies reported as associated with Crysvita. They are typically speaking or consulting arrangements, which companies must report by law; appearing here is not evidence of anything improper.

ClinicianLocationSpecialtyAssociated payments (2023-2025)
Anthony Portale San Francisco, CA Pediatrics $127,781.61
Joshua Yang Orlando, FL Pediatric Endocrinology $90,983.86
Nancy Dunbar Farmington, CT Pediatric Endocrinology $75,023.46
Eric Rush Kansas City, MO Clinical Genetics (M.D.) $74,424.41
Surya Mulukutla Edinburg, TX Endocrinology, Diabetes & Metabolism $62,924.80
Laila Tabatabai Houston, TX Endocrinology, Diabetes & Metabolism $53,657.70
Edward Lewiecki Albuquerque, NM Internal Medicine $52,191.88
Charles Mckay Charlotte, NC Pediatric Nephrology $47,558.04
Michael Assayag Baltimore, MD Orthopaedic Surgery $43,044.76
Suzanne Jan De Beur Charlottesville, VA Endocrinology, Diabetes & Metabolism $38,149.94

Prescribed Crysvita?

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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.