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Richard Derrick Knowles
Family Medicine Physician
Overview Referral Sources Referral Destinations Practice Locations 1 Prescriptions Procedures Same Address Same Phone Medical Groups 1 Affl. Hospitals 4

Prescriptions made by Richard Derrick Knowles

Data for 2018

3,181

Medicare Part D Prescriptions Filled, Including Refills

Rank: 861 out of 3,602 providers in this state and specialty

$422.8K

Total Retail Price of All Prescriptions

Rank: 237 out of 3,602 providers in this state and specialty

278

Patients Receiving at Least One Drug in Part D

Rank: 321 out of 3,602 providers in this state and specialty

83%

Patients 65 Years and Older

72

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 Family Practice in Washington 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 LISINOPRIL2600
of 2,6790
1620 prescriptions
Less than 1% of all prescriptions
1500370 patients
13% of all patients		< 11
2 ATORVASTATIN CALCIUM3480
of 2,6870
1230 prescriptions
Less than 1% of all prescriptions
760270 patients
10% of all patients		< 11
3 METFORMIN HCL1800
of 2,3970
1040 prescriptions
Less than 1% of all prescriptions
930290 patients
10% of all patients		< 11
4 SIMVASTATIN2020
of 2,2210
810 prescriptions
Less than 1% of all prescriptions
810190 patients
7% of all patients		190 patients
7% of all patients
5 OMEPRAZOLE2190
of 2,4090
880 prescriptions
Less than 1% of all prescriptions
680190 patients
7% of all patients		< 11
6 AMLODIPINE BESYLATE2710
of 2,5110
540 prescriptions
Less than 1% of all prescriptions
540190 patients
7% of all patients		190 patients
7% of all patients
7 HYDROCHLOROTHIAZIDE1730
of 2,2750
630 prescriptions
Less than 1% of all prescriptions
630180 patients
6% of all patients		180 patients
6% of all patients
8 LEVOTHYROXINE SODIUM3440
of 2,5910
700 prescriptions
Less than 1% of all prescriptions
400150 patients
5% of all patients		< 11
9 TRAZODONE HCL1160
of 2,0450
710 prescriptions
Less than 1% of all prescriptions
580170 patients
6% of all patients		< 11
10 GABAPENTIN1990
of 2,4120
760 prescriptions
Less than 1% of all prescriptions
490130 patients
5% of all patients		< 11
11 METOPROLOL SUCCINATE1820
of 2,1330
490 prescriptions
Less than 1% of all prescriptions
160 patients
6% of all patients		< 11
12 PIOGLITAZONE HCL360
of 3600
480 prescriptions
Less than 1% of all prescriptions
120 patients
4% of all patients		< 11
13 TAMSULOSIN HCL1430
of 1,8210
620 prescriptions
Less than 1% of all prescriptions
410120 patients
4% of all patients		< 11
14 METOPROLOL TARTRATE1490
of 1,9260
570 prescriptions
Less than 1% of all prescriptions
450150 patients
5% of all patients		< 11
15 LISINOPRIL-HYDROCHLOROTHIAZIDE
(LISINOPRIL/HYDROCHLOROTHIAZIDE)		940
of 1,2380
370 prescriptions
Less than 1% of all prescriptions
370< 11< 11
16 PRAVASTATIN SODIUM1240
of 1,5840
450 prescriptions
Less than 1% of all prescriptions
260< 11< 11
17 FINASTERIDE640
of 8630
320 prescriptions
Less than 1% of all prescriptions
< 11< 11
18 LOSARTAN POTASSIUM2560
of 2,3700
340 prescriptions
Less than 1% of all prescriptions
110 patients
4% of all patients		< 11
19 CARVEDILOL1020
of 1,4650
280 prescriptions
Less than 1% of all prescriptions
280< 11< 11
20 LANTUS SOLOSTAR
(INSULIN GLARGINE,HUM.REC.ANLOG)		680
of 1,0980
250 prescriptions
Less than 1% of all prescriptions
140< 11< 11
21 QUETIAPINE FUMARATE840
of 1,0250
260 prescriptions
Less than 1% of all prescriptions
< 11< 11P
22 PAROXETINE HCL620
of 9100
190 prescriptions
Less than 1% of all prescriptions
< 11< 11
23 LOVASTATIN1180
of 1,4450
250 prescriptions
Less than 1% of all prescriptions
< 11< 11
24 MELOXICAM840
of 1,0560
350 prescriptions
Less than 1% of all prescriptions
130 patients
5% of all patients		< 11
25 FLUTICASONE PROPIONATE1120
of 2,0440
300 prescriptions
Less than 1% of all prescriptions
120< 11< 11
26 ROSUVASTATIN CALCIUM1120
of 1,2690
240 prescriptions
Less than 1% of all prescriptions
120 patients
4% of all patients		< 11
27 CLOPIDOGREL
(CLOPIDOGREL BISULFATE)		820
of 1,4250
330 prescriptions
Less than 1% of all prescriptions
330< 11< 11
28 LOSARTAN-HYDROCHLOROTHIAZIDE
(LOSARTAN/HYDROCHLOROTHIAZIDE)		820
of 9090
160 prescriptions
Less than 1% of all prescriptions
160< 11< 11
29 SERTRALINE HCL1500
of 1,9530
260 prescriptions
Less than 1% of all prescriptions
< 11< 11
30 POTASSIUM CHLORIDE1680
of 1,6490
340 prescriptions
Less than 1% of all prescriptions
340< 11< 11
31 CITALOPRAM HBR
(CITALOPRAM HYDROBROMIDE)		1170
of 1,7440
320 prescriptions
Less than 1% of all prescriptions
< 11< 11
32 EZETIMIBE390
of 2900
200 prescriptions
Less than 1% of all prescriptions
< 11< 11
33 ZOLPIDEM TARTRATE790
of 1,1910
430 prescriptions
Less than 1% of all prescriptions
< 11< 11
34 ALLOPURINOL1280
of 1,5280
140 prescriptions
Less than 1% of all prescriptions
140< 11< 11
35 WARFARIN SODIUM1590
of 1,4660
230 prescriptions
Less than 1% of all prescriptions
230< 11< 11
36 CELECOXIB350
of 3660
210 prescriptions
Less than 1% of all prescriptions
< 11< 11
37 ELIQUIS
(APIXABAN)		550
of 5780
270 prescriptions
Less than 1% of all prescriptions
270< 11< 11
38 ATENOLOL1480
of 1,6800
120 prescriptions
Less than 1% of all prescriptions
120< 11< 11
39 FUROSEMIDE2150
of 2,1040
280 prescriptions
Less than 1% of all prescriptions
280110 patients
4% of all patients		110 patients
4% of all patients
40 METFORMIN HCL ER
(METFORMIN HCL)		1230
of 1,4060
230 prescriptions
Less than 1% of all prescriptions
230< 11< 11
41 PANTOPRAZOLE SODIUM1240
of 1,6670
210 prescriptions
Less than 1% of all prescriptions
210< 11< 11
42 MONTELUKAST SODIUM900
of 1,1640
140 prescriptions
Less than 1% of all prescriptions
< 11< 11
43 BUPROPION HCL SR
(BUPROPION HCL)		630
of 8060
110 prescriptions
Less than 1% of all prescriptions
< 11< 11
44 TRAMADOL HCL1260
of 1,4280
320 prescriptions
Less than 1% of all prescriptions
< 11< 11O
45 VENTOLIN HFA
(ALBUTEROL SULFATE)		1030
of 1,8260
390 prescriptions
Less than 1% of all prescriptions
150 patients
5% of all patients		< 11
46 SYMBICORT
(BUDESONIDE/FORMOTEROL FUMARATE)		490
of 5830
140 prescriptions
Less than 1% of all prescriptions
140< 11< 11
47 BUPROPION XL
(BUPROPION HCL)		580
of 8510
230 prescriptions
Less than 1% of all prescriptions
120< 11< 11
48 POLYETHYLENE GLYCOL 3350810
of 8970
190 prescriptions
Less than 1% of all prescriptions
< 11< 11
49 JANUVIA
(SITAGLIPTIN PHOSPHATE)		420
of 4660
240 prescriptions
Less than 1% of all prescriptions
120< 11< 11
50 TERAZOSIN HCL380
of 4160
140 prescriptions
Less than 1% of all prescriptions
140< 11< 11
51 TIVICAY
(DOLUTEGRAVIR SODIUM)		110
of 190
240 prescriptions
Less than 1% of all prescriptions
120< 11< 11
52 TRUVADA
(EMTRICITABINE/TENOFOVIR (TDF))		60
of 190
240 prescriptions
Less than 1% of all prescriptions
120< 11< 11
53 ULTRA-FINE SHORT PEN NEEDLE
(PEN NEEDLE, DIABETIC)		240
of 1880
120 prescriptions
Less than 1% of all prescriptions
< 11< 11
54 XARELTO
(RIVAROXABAN)		590
of 6430
230 prescriptions
Less than 1% of all prescriptions
230< 11< 11
55 PROPRANOLOL HCL440
of 5490
160 prescriptions
Less than 1% of all prescriptions
160< 11< 11
56 DICLOFENAC SODIUM740
of 9160
240 prescriptions
Less than 1% of all prescriptions
< 11< 11
57 ESOMEPRAZOLE MAGNESIUM230
of 3090
210 prescriptions
Less than 1% of all prescriptions
< 11< 11
58 BISOPROLOL-HYDROCHLOROTHIAZIDE
(BISOPROLOL/HYDROCHLOROTHIAZIDE)		220
of 510
110 prescriptions
Less than 1% of all prescriptions
110< 11< 11
59 NAPROXEN550
of 7010
150 prescriptions
Less than 1% of all prescriptions
< 11< 11
60 ALPRAZOLAM1110
of 1,0740
210 prescriptions
Less than 1% of all prescriptions
210< 11< 11
61 ISOSORBIDE MONONITRATE ER
(ISOSORBIDE MONONITRATE)		490
of 5330
140 prescriptions
Less than 1% of all prescriptions
< 11< 11
62 SULFAMETHOXAZOLE-TRIMETHOPRIM
(SULFAMETHOXAZOLE/TRIMETHOPRIM)		240
of 6380
290 prescriptions
Less than 1% of all prescriptions
140150 patients
5% of all patients		< 11A
63 HYDROCODONE-ACETAMINOPHEN
(HYDROCODONE/ACETAMINOPHEN)		2740
of 1,9660
270 prescriptions
Less than 1% of all prescriptions
120 patients
4% of all patients		< 11O
64 BACLOFEN850
of 8380
150 prescriptions
Less than 1% of all prescriptions
150< 11< 11
65 MEMANTINE HCL530
of 4270
150 prescriptions
Less than 1% of all prescriptions
150< 11< 11
66 ACYCLOVIR320
of 6390
170 prescriptions
Less than 1% of all prescriptions
< 11< 11
67 LEVETIRACETAM530
of 3850
130 prescriptions
Less than 1% of all prescriptions
130< 11< 11
68 VIIBRYD
(VILAZODONE HCL)		50
of 140
150 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
69 GEMFIBROZIL340
of 2060
120 prescriptions
Less than 1% of all prescriptions
120< 11< 11
70 GENVOYA
(ELVITEG/COB/EMTRI/TENOF ALAFEN)		90
of 130
140 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
71 PRAMIPEXOLE DIHYDROCHLORIDE
(PRAMIPEXOLE DI-HCL)		510
of 5870
140 prescriptions
Less than 1% of all prescriptions
140< 11< 11
72 LINZESS
(LINACLOTIDE)		150
of 570
130 prescriptions
Less than 1% of all prescriptions
< 11< 11
73 MIRTAZAPINE960
of 1,0030
110 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
74 SPIRIVA
(TIOTROPIUM BROMIDE)		540
of 6540
130 prescriptions
Less than 1% of all prescriptions
130< 11< 11
75 TRIUMEQ
(ABACAVIR/DOLUTEGRAVIR/LAMIVUDI)		60
of 100
130 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
76 COMPLERA
(EMTRICITA/RILPIVIRINE/TENOF DF)		20
of 30
120 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
77 PRASUGREL HCL10
of 30
120 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
78 ZIPRASIDONE HCL190
of 840
120 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients		P
79 MIDODRINE HCL140
of 320
110 prescriptions
Less than 1% of all prescriptions
110< 11< 11
80 SEREVENT DISKUS
(SALMETEROL XINAFOATE)		110
of 650
110 prescriptions
Less than 1% of all prescriptions
110< 11< 11
81 STRIBILD
(ELVITEG/COB/EMTRI/TENOFO DISOP)		10
110 prescriptions
Less than 1% of all prescriptions
00< 1100 patients
Less than 1% of all patients
82 VESICARE
(SOLIFENACIN SUCCINATE)		250
of 1830
110 prescriptions
Less than 1% of all prescriptions
110< 11< 11
83 CYCLOBENZAPRINE HCL770
of 1,0370
130 prescriptions
Less than 1% of all prescriptions
< 11< 11
84 TRIAMCINOLONE ACETONIDE720
of 1,1690
110 prescriptions
Less than 1% of all prescriptions
< 11< 11
85 FENTANYL640
of 3310
120 prescriptions
Less than 1% of all prescriptions
120< 11< 11O
86 CIPROFLOXACIN HCL380
of 4900
190 prescriptions
Less than 1% of all prescriptions
150 patients
5% of all patients		< 11A
87 AZITHROMYCIN590
of 9240
270 prescriptions
Less than 1% of all prescriptions
250 patients
9% of all patients		< 11A
88 METHYLPREDNISOLONE410
of 1340
130 prescriptions
Less than 1% of all prescriptions
120 patients
4% of all patients		< 11

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