Tacrolimus

Rank #305 of 500 drugs by total cost

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

$37.1M

Total Cost

175,053

Total Claims

$37.1M

Total Cost

4,968

Prescribers

$212

Cost per Claim

51,368

Beneficiaries

253,012

30-Day Fills

$7,461

Avg Cost/Provider

Avg Claims/Provider

Share of Medicare Part D Spending

0.01%

of total Medicare Part D spending

$37.1M of $275.65B

Top 10 prescribers of $37.1M total

#	Provider	Specialty	Location	Claims	Cost
1	Navid Ezra	Dermatology	Thousand Oaks, CA	1,437	$701K
2	John Goss	General Surgery	Houston, TX	1,127	$216K
3	Rafael Khaim	Nurse Practitioner	New York, NY	454	$204K
4	Jessica Siudowski	Nurse Practitioner	Cleveland, OH	1,042	$191K
5	Jeffrey Crippin	Gastroenterology	Saint Louis, MO	840	$136K
6	Timothy Mccashland	Gastroenterology	Omaha, NE	709	$106K
7	Ira Willner	Gastroenterology	Charleston, SC	445	$99K
8	Eduard Zinger	Internal Medicine	Lincolnwood, IL	125	$85K
9	Priya Grewal	Gastroenterology	New York, NY	276	$84K
10	Jyovani Joubert	Physician Assistant	West Springfield, MA	90	$82K
11	Dawn Korson	Nurse Practitioner	Indianapolis, IN	350	$82K
12	John Bynon	General Surgery	Houston, TX	295	$81K
13	Rafik Ghobrial M.D.	General Surgery	Houston, TX	307	$80K
14	Kevin Korenblat	Gastroenterology	Saint Louis, MO	550	$80K
15	Ding Yang	Podiatry	Staten Island, NY	257	$79K

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

#	Drug	Total Cost	Claims
302	Cinacalcet Hcl (Cinacalcet Hcl)	$37.9M	76,761
303	Risperidone (Risperidone)	$37.4M	1,480,207
304	Prednisone (Prednisone)	$37.3M	5,970,737
305	Tacrolimus (Tacrolimus)	$37.1M	175,053
306	Onabotulinumtoxina (Botox)	$37.0M	25,440
307	Azelastine Hcl (Azelastine Hcl)	$36.6M	996,341
308	Tizanidine Hcl (Tizanidine Hcl)	$36.5M	2,602,362

The 20 drugs that cost Medicare the most.

Why some providers resist cheaper generics.

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