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Daniel W Chang
Neurologist
Overview Referral Sources Referral Destinations Practice Locations 1 Prescriptions Procedures Same Address Same Phone
No Medical Groups
No Affl. Hospitals

Prescriptions made by Daniel W Chang

Data for 2018

9,689

Medicare Part D Prescriptions Filled, Including Refills

Rank: 6 out of 1,496 providers in this state and specialty

$1.78M

Total Retail Price of All Prescriptions

Rank: 86 out of 1,496 providers in this state and specialty

1,069

Patients Receiving at Least One Drug in Part D

Rank: 5 out of 1,496 providers in this state and specialty

92%

Patients 65 Years and Older

76

Average Age of Patients

Average age of patients for providers in this state and specialty is 70

Drug Categories

O

Opioid

An opioid drug. Prescription opioids (painkillers) can help alleviate certain kinds of pain in the short term but carry serious health risks.
A

Antibiotic

Used to treat bacterial infections but are often prescribed incorrectly to treat viral infections, such as chest colds or the flu.
P

Antipsychotic

Used to manage psychosis, principally in schizophrenia but also in a range of other psychotic disorders.

Prescription Data

The table below list this provider’s drugs, the number of prescriptions and how many went to seniors. Drugs are ranked by volume. Rank in State ranks all providers that have the self-identified specialty of Neurology in California and ranks the number of prescriptions that have been made for the specific drug.

Drug Name Rank in State Total Prescriptions Filled with Refills Prescript. to 65+ Patients Receiving this Drug Patients 65+ OAP
1 DONEPEZIL HCL20
of 8810
1,5880 prescriptions
Less than 1% of all prescriptions
1,55002930 patients
27% of all patients		< 11
2 NAMENDA XR
(MEMANTINE HCL)		10
of 2800
1,0990 prescriptions
Less than 1% of all prescriptions
1,09902660 patients
25% of all patients		2660 patients
25% of all patients
3 MEMANTINE HCL ER
(MEMANTINE HCL)		10
of 3460
1,0180 prescriptions
Less than 1% of all prescriptions
2580 patients
24% of all patients		< 11
4 CARBIDOPA-LEVODOPA
(CARBIDOPA/LEVODOPA)		180
of 9130
6150 prescriptions
Less than 1% of all prescriptions
60201010 patients
9% of all patients		< 11
5 GABAPENTIN260
of 1,0740
4870 prescriptions
Less than 1% of all prescriptions
43001270 patients
12% of all patients		1160 patients
11% of all patients
6 DIVALPROEX SODIUM ER
(DIVALPROEX SODIUM)		10
of 3410
4050 prescriptions
Less than 1% of all prescriptions
2990850 patients
8% of all patients		650 patients
6% of all patients
7 LEVETIRACETAM300
of 9660
3720 prescriptions
Less than 1% of all prescriptions
2420630 patients
6% of all patients		400 patients
4% of all patients
8 MEMANTINE HCL350
of 7320
3050 prescriptions
Less than 1% of all prescriptions
560 patients
5% of all patients		< 11
9 RASAGILINE MESYLATE60
of 4010
3100 prescriptions
Less than 1% of all prescriptions
470 patients
4% of all patients		< 11
10 NAMZARIC
(MEMANTINE HCL/DONEPEZIL HCL)		20
of 2150
2800 prescriptions
Less than 1% of all prescriptions
2680400 patients
4% of all patients		< 11
11 SERTRALINE HCL60
of 4060
2290 prescriptions
Less than 1% of all prescriptions
540 patients
5% of all patients		< 11
12 PRIMIDONE290
of 6400
1450 prescriptions
Less than 1% of all prescriptions
320 patients
3% of all patients		< 11
13 LYRICA
(PREGABALIN)		100
of 5540
1760 prescriptions
Less than 1% of all prescriptions
1630290 patients
3% of all patients		< 11
14 ENTACAPONE30
of 3000
1630 prescriptions
Less than 1% of all prescriptions
260 patients
2% of all patients		< 11
15 QUETIAPINE FUMARATE340
of 6290
1400 prescriptions
Less than 1% of all prescriptions
1400280 patients
3% of all patients		280 patients
3% of all patients		P
16 PRAMIPEXOLE DIHYDROCHLORIDE
(PRAMIPEXOLE DI-HCL)		280
of 5810
1250 prescriptions
Less than 1% of all prescriptions
280 patients
3% of all patients		< 11
17 DULOXETINE HCL250
of 5090
1350 prescriptions
Less than 1% of all prescriptions
220 patients
2% of all patients		< 11
18 MIRTAZAPINE150
of 2530
1230 prescriptions
Less than 1% of all prescriptions
1230270 patients
3% of all patients		270 patients
3% of all patients
19 TOPIRAMATE1040
of 8110
760 prescriptions
Less than 1% of all prescriptions
320150 patients
1% of all patients		< 11O
20 NORTRIPTYLINE HCL310
of 4680
800 prescriptions
Less than 1% of all prescriptions
550240 patients
2% of all patients		< 11
21 OXCARBAZEPINE260
of 4220
750 prescriptions
Less than 1% of all prescriptions
500140 patients
1% of all patients		< 11
22 ZOLPIDEM TARTRATE120
of 2180
870 prescriptions
Less than 1% of all prescriptions
630270 patients
3% of all patients		< 11
23 DIVALPROEX SODIUM490
of 4990
700 prescriptions
Less than 1% of all prescriptions
180 patients
2% of all patients		< 11
24 LAMOTRIGINE1070
of 7060
650 prescriptions
Less than 1% of all prescriptions
< 11< 11
25 CLOPIDOGREL
(CLOPIDOGREL BISULFATE)		460
of 4820
630 prescriptions
Less than 1% of all prescriptions
630120 patients
1% of all patients		120 patients
1% of all patients
26 AMANTADINE
(AMANTADINE HCL)		440
of 4400
640 prescriptions
Less than 1% of all prescriptions
640110 patients
1% of all patients		110 patients
1% of all patients
27 CARBAMAZEPINE620
of 4790
380 prescriptions
Less than 1% of all prescriptions
270< 11< 11
28 PHENYTOIN SODIUM EXTENDED600
of 4640
380 prescriptions
Less than 1% of all prescriptions
< 11< 11
29 ESCITALOPRAM OXALATE970
of 4510
450 prescriptions
Less than 1% of all prescriptions
220110 patients
1% of all patients		< 11
30 AZILECT
(RASAGILINE MESYLATE)		30
of 300
480 prescriptions
Less than 1% of all prescriptions
480< 11< 11
31 BACLOFEN800
of 6210
490 prescriptions
Less than 1% of all prescriptions
370< 11< 11
32 CARBAMAZEPINE ER
(CARBAMAZEPINE)		370
of 3790
350 prescriptions
Less than 1% of all prescriptions
< 11< 11
33 AMITRIPTYLINE HCL680
of 4220
350 prescriptions
Less than 1% of all prescriptions
< 11< 11
34 EXELON
(RIVASTIGMINE)		100
of 1240
450 prescriptions
Less than 1% of all prescriptions
450< 11< 11
35 PAROXETINE HCL260
of 1300
350 prescriptions
Less than 1% of all prescriptions
< 11< 11
36 TRAMADOL HCL400
of 2320
510 prescriptions
Less than 1% of all prescriptions
110 patients
1% of all patients		< 11O
37 SUMATRIPTAN SUCCINATE640
of 5200
390 prescriptions
Less than 1% of all prescriptions
150110 patients
1% of all patients		< 11
38 HYDROCODONE-ACETAMINOPHEN
(HYDROCODONE/ACETAMINOPHEN)		740
of 2640
410 prescriptions
Less than 1% of all prescriptions
130< 11< 11O
39 PREDNISONE210
of 3340
490 prescriptions
Less than 1% of all prescriptions
210 patients
2% of all patients		< 11
40 VOLTAREN
(DICLOFENAC SODIUM)		160
of 480
350 prescriptions
Less than 1% of all prescriptions
350< 11< 11
41 VIMPAT
(LACOSAMIDE)		1150
of 4590
230 prescriptions
Less than 1% of all prescriptions
< 11< 11
42 PYRIDOSTIGMINE BROMIDE420
of 3340
260 prescriptions
Less than 1% of all prescriptions
< 11< 11
43 RIVASTIGMINE760
of 2960
160 prescriptions
Less than 1% of all prescriptions
160< 11< 11
44 COPAXONE
(GLATIRAMER ACETATE)		540
of 2550
300 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
45 CREON
(LIPASE/PROTEASE/AMYLASE)		50
of 80
260 prescriptions
Less than 1% of all prescriptions
260< 11< 11
46 PHENOBARBITAL540
of 3340
250 prescriptions
Less than 1% of all prescriptions
< 11< 11
47 SIMVASTATIN280
of 920
180 prescriptions
Less than 1% of all prescriptions
180< 11< 11
48 CARBIDOPA-LEVODOPA ER
(CARBIDOPA/LEVODOPA)		1320
of 5720
220 prescriptions
Less than 1% of all prescriptions
220< 11< 11
49 CELECOXIB210
of 680
220 prescriptions
Less than 1% of all prescriptions
220< 11< 11
50 NEUPRO
(ROTIGOTINE)		550
of 2130
120 prescriptions
Less than 1% of all prescriptions
120< 11< 11
51 LORAZEPAM610
of 4670
320 prescriptions
Less than 1% of all prescriptions
190< 11< 11
52 VENLAFAXINE HCL ER
(VENLAFAXINE HCL)		410
of 1640
170 prescriptions
Less than 1% of all prescriptions
< 11< 11
53 RIZATRIPTAN
(RIZATRIPTAN BENZOATE)		440
of 2440
170 prescriptions
Less than 1% of all prescriptions
< 11< 11
54 CLONAZEPAM1250
of 7290
250 prescriptions
Less than 1% of all prescriptions
250< 11< 11
55 NAPROXEN210
of 840
220 prescriptions
Less than 1% of all prescriptions
110 patients
1% of all patients		< 11
56 ROPINIROLE HCL1040
of 5290
160 prescriptions
Less than 1% of all prescriptions
160< 11< 11
57 AMLODIPINE BESYLATE520
of 1190
150 prescriptions
Less than 1% of all prescriptions
150< 11< 11
58 TEMAZEPAM320
of 1120
150 prescriptions
Less than 1% of all prescriptions
150< 11< 11
59 TRAZODONE HCL870
of 4080
150 prescriptions
Less than 1% of all prescriptions
< 11< 11
60 KEPPRA
(LEVETIRACETAM)		310
of 860
110 prescriptions
Less than 1% of all prescriptions
110< 11< 11
61 SELEGILINE HCL440
of 1190
130 prescriptions
Less than 1% of all prescriptions
130< 11< 11
62 GAMMAGARD LIQUID
(IMMUN GLOB G(IGG)/GLY/IGA OV50)		390
of 1060
160 prescriptions
Less than 1% of all prescriptions
160< 11< 11
63 ALENDRONATE SODIUM140
of 250
130 prescriptions
Less than 1% of all prescriptions
130< 11< 11
64 ARIPIPRAZOLE260
of 580
120 prescriptions
Less than 1% of all prescriptions
120< 11< 11P
65 CARBIDOPA-LEVODOPA-ENTACAPONE
(CARBIDOPA/LEVODOPA/ENTACAPONE)		590
of 1630
120 prescriptions
Less than 1% of all prescriptions
120< 11< 11
66 TEGRETOL XR
(CARBAMAZEPINE)		160
of 520
120 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
67 LEVOCETIRIZINE DIHYDROCHLORIDE50
of 50
110 prescriptions
Less than 1% of all prescriptions
110< 11< 11
68 OXYCODONE HCL440
of 720
110 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients		O
69 RANITIDINE HCL160
of 300
110 prescriptions
Less than 1% of all prescriptions
110< 11< 11
70 ALPRAZOLAM640
of 2760
250 prescriptions
Less than 1% of all prescriptions
< 11< 11

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