Sodium,calcium,mag,pot Oxybate

Brand name: Xywav

Rank #251 of 500 drugs by total cost

Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026

$51.1M

Total Cost

Share:

3,234

Total Claims

$51.1M

Total Cost

181

Prescribers

$16K

Cost per Claim

17

Beneficiaries

3,234

30-Day Fills

$282K

Avg Cost/Provider

18

Avg Claims/Provider

Share of Medicare Part D Spending

0.02%

of total Medicare Part D spending

$51.1M of $275.65B

Top Prescribers by Cost

Top 10 prescribers of $51.1M total

🔎 Data Overview

💰

At $15,788 per prescription, this is a high-cost medication. Expensive drugs drive Medicare spending growth and create access challenges for patients with coverage gaps.

🔍

Average cost of $282,097 per prescriber suggests this drug may be concentrated among specialists. High per-provider spending can sometimes indicate inappropriate prescribing or overly aggressive use.

👤

Average cost of $3,003,507 per patient per year. Medications at this price point significantly impact patient out-of-pocket costs and Medicare spending.

Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.

Top Prescribers of Sodium,calcium,mag,pot Oxybate

#ProviderSpecialtyLocationClaimsCost
1Gautam SamadderInternal MedicineColumbus, OH121$2.0M
2Kirk WatkinsSleep MedicineSt George, UT66$942K
3Haramandeep SinghPsychiatrySan Ramon, CA62$924K
4Melissa WolfePhysician AssistantLemoyne, PA46$870K
5James HaynesPulmonary DiseaseNashville, TN44$824K
6Robert DoekelSleep MedicineBirmingham, AL53$815K
7Lance KimNeurologyOcala, FL58$745K
8Ellen WermterNurse PractitionerCharlottesville, VA39$664K
9Patrick WhittenPulmonary DiseasePeoria, IL42$650K
10Kirsten BrachtNeurologyEnglewood, CO36$631K
11Jo Anne TurnerNurse PractitionerColumbia, SC35$605K
12Raymond LofferNeurologyIndianapolis, IN31$576K
13Thomas ScammellNeurologyBoston, MA37$575K
14Adrian SantamariaNeurologyTomball, TX40$575K
15Weili GrayAnesthesiologyNewport, VT32$573K

Top prescribers ranked by total cost for this drug in 2023.

Related Drugs by Cost

#DrugTotal CostClaims
248Epoetin Alfa (Epogen)$51.4M34,952
249Nifedipine (Nifedipine Er)$51.2M1,249,866
250Clobetasol Propionate (Clobetasol Propionate)$51.2M758,575
251Sodium,calcium,mag,pot Oxybate (Xywav)$51.1M3,234
252Eslicarbazepine Acetate (Aptiom)$51.1M31,472
253Risdiplam (Evrysdi)$51.1M1,891
254Amikacin Liposomal/Neb.Accessr (Arikayce)$50.5M3,394

Related Analysis

Data from CMS Medicare Part D Prescriber-Drug Public Use File, 2023. Methodology