William S Sastry, MD

Offices

1 location

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Sastry’s office at (650) 814-9064 to ask if they take your plan before you enroll.

California Medical Board record

Licence A89301 · Current

Licensed to practise in California · since 2004 · expires 2028-06-30 · University of Tennessee College of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Drugs they prescribed that Part D paid

$5,309

Pharmacies billed $5,309 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 0% of their Part D prescriptions (0 of 330) in 2024. At or below the middle of the specialty; the typical psychiatry & neurology clinician is at 0%.

322 generic and fewer than 11 brand-name prescriptions · $5,309 in drug cost · 24 antipsychotic prescriptions to people over 65.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

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Largest Part D drug costs

Clozapine	24	$1,367	$57
Escitalopram	45	$304	$7
Gabapentin	32	$256	$8
Buspirone	13	$250	$19
Bupropion Xl	18	$219	$12

See all 14 drugs

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Every Part D drug this clinician prescribed

Clozapine	24	$1,367	$57
Escitalopram	45	$304	$7
Gabapentin	32	$256	$8
Buspirone	13	$250	$19
Bupropion Xl	18	$219	$12
Bupropion Hcl Sr	12	$182	$15
Quetiapine	11	$160	$15
Aripiprazole	12	$152	$13
Mirtazapine	11	$131	$12
Lamotrigine	15	$130	$9
Diazepam	23	$81	$4
Lorazepam	14	$74	$5
Eszopiclone	12	$37	$3
Trazodone	14	$22	$2

Year by year

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Part D prescribing by year

2024	330	19	0% (0)	None	$5,309
2023	311	17	0% (0)	5%	$18,687
2022	234	17	0% (0)	None	$10,792
2021	228	16	0% (0)	None	$11,881
2020	295	14	0% (0)	None	$13,283
2019	307	14	0% (0)	13%	$25,884
2018	280	None	0% (0)	10%	$14,271
2017	273	13	0% (0)	5%	$16,001
2016	161	None	0% (0)	None	$14,301
2015	137	None	0% (0)	None	$10,723
2014	844	42	0% (0)	17%	$131,623
2013	898	50	None	14%	$124,371

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 9 drugs

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Part D drugs prescribed in 2023

Aripiprazole	19	$4,372	$230
Clozapine	30	$2,364	$79
Lamotrigine	28	$327	$12
Eszopiclone	12	$270	$23
Bupropion Hcl Sr	14	$251	$18
Escitalopram	29	$250	$9
Gabapentin	20	$198	$10
Sertraline	17	$188	$11
Bupropion Xl	14	$111	$8

2022: 6 drugs

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Part D drugs prescribed in 2022

Aripiprazole	15	$1,862	$124
Clozapine	23	$1,289	$56
Lamotrigine	28	$360	$13
Escitalopram	21	$296	$14
Gabapentin	18	$257	$14
Bupropion Xl	15	$140	$9

2021: 9 drugs

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Part D drugs prescribed in 2021

Desvenlafaxine Succinate Er	17	$3,371	$198
Clozapine	15	$1,172	$78
Buspirone	12	$748	$62
Aripiprazole	13	$593	$46
Lamotrigine	28	$355	$13
Bupropion Xl	15	$276	$18
Lorazepam	16	$257	$16
Gabapentin	18	$235	$13
Escitalopram	15	$202	$13

2020: 14 drugs

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Part D drugs prescribed in 2020

Desvenlafaxine Succinate Er	26	$3,676	$141
Aripiprazole	17	$2,565	$151
Clozapine	27	$1,433	$53
Buspirone	22	$1,194	$54
Bupropion Xl	11	$848	$77
Duloxetine	16	$601	$38
Clonazepam	11	$330	$30
Lamotrigine	27	$306	$11
Escitalopram	22	$281	$13
Gabapentin	20	$225	$11
Lorazepam	16	$191	$12
Sertraline	17	$183	$11
Lithium Carbonate	12	$109	$9
Temazepam	12	$46	$4

2019: 12 drugs

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Part D drugs prescribed in 2019

Aripiprazole	25	$15,219	$609
Clozapine	46	$2,910	$63
Escitalopram	23	$1,013	$44
Gabapentin	28	$793	$28
Duloxetine	20	$679	$34
Bupropion Xl	15	$538	$36
Buspirone	18	$294	$16
Temazepam	12	$169	$14
Bupropion Hcl Sr	12	$137	$11
Lithium Carbonate	13	$94	$7
Sertraline	20	$61	$3
Lamotrigine	16	$45	$3

2018: 11 drugs

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Part D drugs prescribed in 2018

Aripiprazole	24	$7,300	$304
Clozapine	39	$1,933	$50
Escitalopram	25	$916	$37
Duloxetine	13	$708	$54
Bupropion Xl	16	$617	$39
Gabapentin	21	$613	$29
Buspirone	22	$366	$17
Quetiapine	19	$287	$15
Bupropion Hcl Sr	12	$248	$21
Temazepam	11	$59	$5
Lamotrigine	12	$23	$2

2017: 9 drugs

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Part D drugs prescribed in 2017

Aripiprazole	21	$7,972	$380
Clozapine	62	$1,787	$29
Bupropion Xl	12	$306	$25
Escitalopram	28	$293	$10
Bupropion Hcl Sr	12	$173	$14
Gabapentin	24	$136	$6
Quetiapine	15	$134	$9
Buspirone	12	$81	$7
Lamotrigine	15	$47	$3

2016: 7 drugs

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Part D drugs prescribed in 2016

Aripiprazole	14	$6,671	$476
Escitalopram	11	$650	$59
Quetiapine	11	$586	$53
Bupropion Xl	12	$380	$32
Clozapine	29	$314	$11
Gabapentin	14	$144	$10
Lamotrigine	15	$136	$9

2015: 6 drugs

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Part D drugs prescribed in 2015

Dextroamphetamine-Amphet Er	12	$2,035	$170
Buspirone	19	$1,348	$71
Venlafaxine Hcl Er	13	$255	$20
Lamotrigine	16	$151	$9
Clonazepam	12	$110	$9
Sertraline	12	$89	$7

2014: 30 drugs

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Part D drugs prescribed in 2014

Abilify	29	$24,923	$859
Latuda	16	$19,370	$1,211
Fazaclo	11	$19,357	$1,760
Invega	15	$14,744	$983
Olanzapine	53	$11,483	$217
Divalproex Sodium Er	16	$2,994	$187
Ziprasidone	12	$2,503	$209
Quetiapine	61	$2,496	$41
Dextroamphetamine-Amphet Er	13	$2,429	$187
Escitalopram	23	$1,078	$47
Bupropion Xl	29	$910	$31
Divalproex	30	$832	$28
Fluphenazine	38	$813	$21
Lamotrigine	25	$534	$21
Amphetamine Salt Combo	13	$516	$40
Risperidone	49	$508	$10
Benztropine Mesylate	38	$432	$11
Haloperidol	18	$418	$23
Buspirone	13	$405	$31
Clonazepam	34	$368	$11
Lithium Carbonate	43	$307	$7
Lithium Carbonate Er	14	$285	$20
Fluoxetine	11	$249	$23
Lorazepam	30	$208	$7
Amitriptyline	19	$199	$10
Citalopram Hbr	30	$168	$6
Trazodone	15	$121	$8
Sertraline	13	$112	$9
Gabapentin	14	$94	$7
Paroxetine	12	$94	$8

2013: 31 drugs

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Part D drugs prescribed in 2013

Olanzapine	61	$24,987	$410
Abilify	25	$21,030	$841
Invega	21	$18,214	$867
Ziprasidone	53	$13,787	$260
Latuda	19	$13,774	$725
Fazaclo	20	$12,031	$602
Quetiapine	58	$5,527	$95
Perphenazine	13	$1,117	$86
Fluoxetine	33	$822	$25
Lithium Carbonate	60	$692	$12
Escitalopram	25	$578	$23
Divalproex	19	$553	$29
Lamotrigine	29	$533	$18
Venlafaxine	12	$524	$44
Divalproex Sodium Er	11	$517	$47
Benztropine Mesylate	52	$502	$10
Bupropion Hcl Sr	18	$469	$26
Risperidone	28	$428	$15
Bupropion Xl	14	$387	$28
Fluphenazine	21	$325	$15
Citalopram Hbr	40	$287	$7
Haloperidol	25	$283	$11
Trazodone	40	$239	$6
Lorazepam	29	$223	$8
Paroxetine	14	$213	$15
Clonazepam	22	$198	$9
Sertraline	21	$184	$9
Amitriptyline	14	$110	$8
Gabapentin	11	$86	$8
Zolpidem	11	$79	$7
Diazepam	18	$67	$4

Money from drug and device companies

$431 in 2025

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Industry payments by year

2025	4	13	None	$431
2024	6	11	None	$349
2023	5	17	None	$434
2022	1	1	None	$31
2020	4	4	None	$114
2019	6	17	None	$322

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

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Payments by company

Axsome Therapeutics	Auvelity	$208	9 payments Meals for Auvelity · 2025-12-09 · $28 Meals for Auvelity · 2025-11-11 · $16 Meals for Auvelity · 2025-10-28 · $33 Meals for Auvelity · 2025-09-30 · $32 Meals for Auvelity · 2025-08-26 · $29 Meals for Auvelity · 2025-08-12 · $31 Meals for Auvelity · 2025-07-08 · $15 Meals for Auvelity · 2025-04-22 · $13 Meals for Auvelity · 2025-04-15 · $12
Neurocrine BioSciences	Ingrezza	$121	1 payment Meals for Ingrezza · 2025-01-16 · $121
Teva Pharmaceuticals USA	Uzedy	$77	2 payments Meals for Uzedy · 2025-12-09 · $43 Meals for Uzedy · 2025-07-29 · $33
Abbvie	Vraylar	$25	1 payment Meals for Vraylar · 2025-05-06 · $25

See all 13 published payments

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Every published payment

Axsome Therapeutics	Meals · 2025-12-09	Auvelity	$28
Teva Pharmaceuticals USA	Meals · 2025-12-09	Uzedy	$43
Axsome Therapeutics	Meals · 2025-11-11	Auvelity	$16
Axsome Therapeutics	Meals · 2025-10-28	Auvelity	$33
Axsome Therapeutics	Meals · 2025-09-30	Auvelity	$32
Axsome Therapeutics	Meals · 2025-08-26	Auvelity	$29
Axsome Therapeutics	Meals · 2025-08-12	Auvelity	$31
Teva Pharmaceuticals USA	Meals · 2025-07-29	Uzedy	$33
Axsome Therapeutics	Meals · 2025-07-08	Auvelity	$15
Abbvie	Meals · 2025-05-06	Vraylar	$25
Axsome Therapeutics	Meals · 2025-04-22	Auvelity	$13
Axsome Therapeutics	Meals · 2025-04-15	Auvelity	$12
Neurocrine BioSciences	Meals · 2025-01-16	Ingrezza	$121

See earlier years (2024, 2023, 2022, 2020, 2019)

2024: $349

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Payments by company in 2024

Otsuka America Pharmaceutical	Rexulti	$118	1 payment Meals for Rexulti · 2024-11-19 · $118
Axsome Therapeutics	Auvelity	$105	5 payments Meals for Auvelity · 2024-05-09 · $34 Meals for Auvelity · 2024-03-26 · $19 Meals for Auvelity · 2024-03-19 · $17 Meals for Auvelity · 2024-01-23 · $18 Meals for Auvelity · 2024-01-09 · $17
Teva Pharmaceuticals USA	Uzedy	$53	2 payments Meals for Austedo Xr · 2024-08-27 · $23 Meals for Uzedy · 2024-06-11 · $30
Abbvie	Vraylar	$27	1 payment Meals for Vraylar · 2024-02-28 · $27
Neurocrine Biosciences	Ingrezza	$25	1 payment Meals for Ingrezza · 2024-01-16 · $25
Eisai	Leqembi	$21	1 payment Meals for Leqembi · 2024-06-25 · $21

2023: $434

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Payments by company in 2023

Iti	Caplyta	$186	9 payments Meals for Caplyta · 2023-09-26 · $16 Meals for Caplyta · 2023-09-12 · $15 Meals for Caplyta · 2023-08-29 · $16 Meals for Caplyta · 2023-07-06 · $15 Meals for Caplyta · 2023-06-13 · $10 Meals for Caplyta · 2023-06-06 · $29 Education for Caplyta · 2023-06-06 · $49 Meals for Caplyta · 2023-05-09 · $6 Meals for Caplyta · 2023-03-28 · $30
Axsome Therapeutics	Auvelity	$129	3 payments Meals for Auvelity · 2023-12-12 · $16 Meals for Auvelity · 2023-11-28 · $15 Meals for Auvelity · 2023-02-02 · $98
AbbVie	Vraylar	$53	2 payments Meals for Vraylar · 2023-08-30 · $32 Meals for Vraylar · 2023-04-11 · $22
Takeda Pharmaceuticals U.S.A.	Trintellix	$42	2 payments Meals for Trintellix · 2023-06-27 · $23 Meals for Trintellix · 2023-04-04 · $18
Neurocrine Biosciences	Ingrezza	$24	1 payment Meals for Ingrezza · 2023-10-26 · $24

2022: $31

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Payments by company in 2022

Abbvie	Vraylar	$31	1 payment Meals for Vraylar · 2022-10-21 · $31

2020: $114

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Payments by company in 2020

Takeda Pharmaceuticals U.S.A.	Vyvanse	$31	1 payment Meals for Vyvanse · 2020-02-28 · $31
Alfasigma USA	None	$31	1 payment Meals · 2020-02-12 · $31
Janssen Pharmaceuticals	Spravato	$27	1 payment Meals for Spravato · 2020-01-21 · $27
Lundbeck	Brintellix	$24	1 payment Meals for Brintellix · 2020-03-02 · $24

2019: $322

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Payments by company in 2019

Vanda Pharmaceuticals	Fanapt	$117	6 payments Meals for Fanapt · 2019-06-03 · $8 Meals for Fanapt · 2019-04-29 · $6 Meals for Fanapt · 2019-04-29 · $24 Meals for Fanapt · 2019-04-17 · $13 Meals for Fanapt · 2019-03-29 · $32 Meals for Fanapt · 2019-02-01 · $34
Allergan	Vraylar	$66	4 payments Meals for Vraylar · 2019-09-20 · $21 Meals for Vraylar · 2019-08-23 · $13 Meals for Vraylar · 2019-03-29 · $19 Meals for Vraylar · 2019-02-08 · $13
Shire North American Group	Trintellix	$53	2 payments Meals for Trintellix · 2019-11-22 · $28 Meals for Vyvanse · 2019-06-21 · $25
Lundbeck	Brintellix	$35	2 payments Meals for Brintellix · 2019-10-11 · $23 Meals for Brintellix · 2019-08-16 · $12
Otsuka America Pharmaceutical	Rexulti	$28	2 payments Meals for Rexulti · 2019-06-25 · $16 Meals for Rexulti · 2019-02-21 · $12
Takeda Pharmaceuticals U.S.A.	Trintellix	$23	1 payment Meals for Trintellix · 2019-03-20 · $23

Professional record

NPI: 1699845859
Licence: CA A89301California A89301: Current · expires 2028-06-30

More record details

Sole proprietor: Yes
Taxonomy: Psychiatry (2084P0800X); Federal specialty code 2084F0202X (2084F0202X); Federal specialty code 2084P0802X (2084P0802X); Federal specialty code 2084P0805X (2084P0805X)
Mailing address: Po Box 50875, Palo Alto, CA, 94303
NPI first listed: 2006-11-08
NPI last updated: 2014-07-17

This is when the NPI record was last certified, not a medical board exam.