Tammy E Onu, PA
Physician Assistant · Santa Clara
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 4
- 1 carrier
- Offices
- 2
Offices
2 locations · Permanente Medical Group Inc · 10,928 clinicians in this group
Looking this up.
Plans that list them
4 plans · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Tammy E Onu’s office at (408) 851-1000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| Kaiser Permanente Dual Complete North P2 (HMO D-SNP) | Kaiser Permanente | Listed | Sep 1, 2026 |
| Kaiser Permanente Dual Complete North P23 (HMO D-SNP) | Kaiser Permanente | Listed | Sep 1, 2026 |
| Kaiser Permanente Sr Adv Basic Santa Clara (HMO) | Kaiser Permanente | Listed | Sep 1, 2026 |
| Kaiser Permanente Sr Adv Enhanced Santa Clara (HMO) | Kaiser Permanente | Listed | Sep 1, 2026 |
California Medical Board record
Licence C55190 · Cancelled
Licence status: Cancelled · since 2012 · Baylor College of Medicine.
License has been voluntarily canceled, or the license has been expired for at least five years and has not been renewed. No practice is permitted.
Matched on the licence number without its letter prefix; check the name before relying on it.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Drugs they prescribed that Part D paid
$731
Pharmacies billed $731 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 85) in 2024. At or below the middle of the specialty; the typical physician assistant clinician is at 1%.
84 generic and fewer than 11 brand-name prescriptions · $731 in drug cost · 58 antibiotic prescriptions to 44 people.
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.
| Amoxicillin | 26 | $209 | $6 |
| Cephalexin | 13 | $114 | $6 |
Year by year
| 2024 | 85 | 58 | 0% (0) | None | $731 |
| 2023 | 93 | 56 | 0% (0) | None | $3,411 |
| 2022 | 491 | 208 | 0% (0) | 14% | $51,945 |
| 2021 | 4,474 | 695 | 0% (0) | None | $528,096 |
| 2020 | 6,599 | 717 | 1% (37) | 16% | $530,608 |
| 2019 | 3,705 | 220 | 2% (83) | 18% | $240,121 |
| 2018 | 909 | 107 | 8% (71) | None | $60,310 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 2 drugs
| Amoxicillin | 26 | $166 | $6 |
| Prednisone | 13 | $77 | $6 |
2022: 15 drugs
| Eliquis | 32 | $23,192 | $725 |
| Xarelto | 11 | $7,725 | $702 |
| Carvedilol | 52 | $677 | $13 |
| Clopidogrel | 25 | $599 | $24 |
| Atorvastatin | 49 | $420 | $9 |
| Spironolactone-Hctz | 11 | $415 | $38 |
| Losartan | 33 | $309 | $9 |
| Spironolactone | 12 | $188 | $16 |
| Metoprolol | 13 | $184 | $14 |
| Lisinopril | 20 | $181 | $9 |
| Amoxicillin | 21 | $116 | $6 |
| Amlodipine Besylate | 18 | $105 | $6 |
| Lisinopril-Hydrochlorothiazide | 16 | $92 | $6 |
| Warfarin | 16 | $88 | $5 |
| Metoprolol | 14 | $66 | $5 |
2021: 43 drugs
| Eliquis | 351 | $251,710 | $717 |
| Xarelto | 129 | $90,055 | $698 |
| Entresto | 100 | $82,228 | $822 |
| Jardiance | 14 | $10,254 | $732 |
| Repatha Sureclick | 16 | $7,850 | $491 |
| Spironolactone-Hctz | 165 | $7,685 | $47 |
| Carvedilol | 569 | $5,595 | $10 |
| Atorvastatin | 422 | $3,804 | $9 |
| Rosuvastatin | 94 | $3,748 | $40 |
| Losartan | 334 | $3,588 | $11 |
| Metoprolol | 208 | $3,053 | $15 |
| Clopidogrel | 177 | $2,493 | $14 |
| Omega-3 Acid Ethyl Esters | 21 | $1,878 | $89 |
| Ezetimibe | 37 | $1,854 | $50 |
| Spironolactone | 134 | $1,620 | $12 |
| Lisinopril | 208 | $1,619 | $8 |
| Losartan-Hydrochlorothiazide | 125 | $1,604 | $13 |
| Propafenone | 33 | $1,565 | $47 |
| Propranolol Hcl Er | 16 | $1,338 | $84 |
| Amlodipine Besylate | 187 | $1,259 | $7 |
| Warfarin | 108 | $1,160 | $11 |
| Sotalol | 48 | $937 | $20 |
| Pravastatin | 48 | $680 | $14 |
| Nifedipine Er | 19 | $658 | $35 |
| Metolazone | 11 | $467 | $42 |
| Amiodarone | 52 | $419 | $8 |
| Metoprolol | 82 | $405 | $5 |
| Fenofibrate | 19 | $405 | $21 |
| Benazepril | 41 | $365 | $9 |
| Lisinopril-Hydrochlorothiazide | 47 | $307 | $7 |
| Nitroglycerin | 15 | $291 | $19 |
| Potassium Chloride | 16 | $278 | $17 |
| Simvastatin | 49 | $276 | $6 |
| Hydrochlorothiazide | 74 | $266 | $4 |
| Indapamide | 15 | $260 | $17 |
| Levothyroxine | 11 | $247 | $22 |
| Furosemide | 74 | $242 | $3 |
| Metformin | 50 | $235 | $5 |
| Atenolol | 34 | $227 | $7 |
| Tamsulosin | 13 | $138 | $11 |
| Enalapril Maleate | 12 | $112 | $9 |
| Triamterene-Hydrochlorothiazid | 11 | $88 | $8 |
| Metformin Hcl Er | 13 | $63 | $5 |
2020: 95 drugs
| Eliquis | 226 | $143,287 | $634 |
| Xarelto | 85 | $54,857 | $645 |
| Entresto | 76 | $52,424 | $690 |
| Jardiance | 33 | $17,813 | $540 |
| Breo Ellipta | 46 | $17,411 | $378 |
| Symbicort | 44 | $15,802 | $359 |
| Spiriva Respimat | 33 | $15,710 | $476 |
| Combivent Respimat | 26 | $11,454 | $441 |
| Tradjenta | 18 | $8,769 | $487 |
| Basaglar Kwikpen U-100 | 23 | $8,115 | $353 |
| Incruse Ellipta | 17 | $6,725 | $396 |
| Spironolactone-Hctz | 163 | $5,839 | $36 |
| Losartan-Hydrochlorothiazide | 93 | $5,100 | $55 |
| Ventolin Hfa | 88 | $5,098 | $58 |
| Advair Diskus | 12 | $4,883 | $407 |
| Atorvastatin | 453 | $3,681 | $8 |
| Metoprolol | 193 | $3,231 | $17 |
| Losartan | 368 | $2,929 | $8 |
| Aspirin-Dipyridamole Er | 11 | $2,572 | $234 |
| Carvedilol | 465 | $2,515 | $5 |
| Levothyroxine | 149 | $2,343 | $16 |
| Rosuvastatin | 83 | $1,991 | $24 |
| Gabapentin | 122 | $1,760 | $14 |
| Bystolic | 11 | $1,729 | $157 |
| Comfort Ez Pen Needle | 14 | $1,708 | $122 |
| Albuterol Sulfate Hfa | 30 | $1,648 | $55 |
| Clopidogrel | 125 | $1,345 | $11 |
| Omega-3 Acid Ethyl Esters | 27 | $1,301 | $48 |
| Omeprazole | 142 | $1,158 | $8 |
| Lisinopril | 248 | $1,079 | $4 |
| Diclofenac | 37 | $1,071 | $29 |
| Trazodone | 97 | $1,064 | $11 |
| Pregabalin | 19 | $1,032 | $54 |
| Nifedipine Er | 23 | $1,011 | $44 |
| Duloxetine | 27 | $1,007 | $37 |
| Fluticasone Propionate | 73 | $901 | $12 |
| Pravastatin | 89 | $866 | $10 |
| Spironolactone | 130 | $840 | $6 |
| Amlodipine Besylate | 256 | $834 | $3 |
| Propranolol Hcl Er | 21 | $826 | $39 |
| Ezetimibe | 35 | $818 | $23 |
| Oxybutynin Chloride Er | 32 | $802 | $25 |
| Potassium Chloride | 33 | $783 | $24 |
| Sotalol | 40 | $776 | $19 |
| Amitriptyline | 20 | $743 | $37 |
| Warfarin | 77 | $713 | $9 |
| Bupropion Xl | 20 | $694 | $35 |
| Baclofen | 47 | $660 | $14 |
| Buspirone | 50 | $637 | $13 |
| Ursodiol | 11 | $579 | $53 |
| Pramipexole Dihydrochloride | 13 | $538 | $41 |
| Metformin | 171 | $512 | $3 |
| Venlafaxine Hcl Er | 19 | $497 | $26 |
| Furosemide | 169 | $491 | $3 |
| Quetiapine | 26 | $478 | $18 |
| Hydrocodone-Acetaminophen | 21 | $472 | $22 |
| Lisinopril-Hydrochlorothiazide | 70 | $450 | $6 |
| Metoprolol | 83 | $450 | $5 |
| Levetiracetam | 18 | $441 | $25 |
| Allopurinol | 48 | $409 | $9 |
| Atenolol | 93 | $376 | $4 |
| Montelukast | 65 | $355 | $5 |
| Fenofibrate | 12 | $353 | $29 |
| Amiodarone | 36 | $331 | $9 |
| Tamsulosin | 50 | $310 | $6 |
| Ropinirole | 41 | $273 | $7 |
| Ibuprofen | 47 | $272 | $6 |
| Famotidine | 35 | $268 | $8 |
| Nitroglycerin | 11 | $263 | $24 |
| Simvastatin | 79 | $244 | $3 |
| Lovastatin | 23 | $244 | $11 |
| Hydrochlorothiazide | 75 | $200 | $3 |
| Indapamide | 12 | $174 | $14 |
| Fluoxetine | 17 | $160 | $9 |
| Pantoprazole | 20 | $159 | $8 |
| Fenofibrate | 13 | $150 | $12 |
| Paroxetine | 13 | $147 | $11 |
| Benazepril | 23 | $146 | $6 |
| Hydroxyurea | 11 | $142 | $13 |
| Alendronate | 23 | $140 | $6 |
| Meloxicam | 21 | $133 | $6 |
| Sertraline | 12 | $132 | $11 |
| Hydroxyzine | 15 | $127 | $8 |
| Amlodipine Besylate-Benazepril | 12 | $125 | $10 |
| Finasteride | 18 | $114 | $6 |
| Topiramate | 19 | $97 | $5 |
| Mirtazapine | 15 | $97 | $6 |
| Metformin Hcl Er | 16 | $79 | $5 |
| Gemfibrozil | 19 | $78 | $4 |
| Glipizide | 12 | $78 | $6 |
| Sumatriptan | 11 | $77 | $7 |
| Acyclovir | 13 | $72 | $6 |
| Prednisone | 11 | $60 | $5 |
| Lamotrigine | 13 | $60 | $5 |
| Citalopram Hbr | 16 | $31 | $2 |
2019: 83 drugs
| Combivent Respimat | 40 | $16,783 | $420 |
| Basaglar Kwikpen U-100 | 41 | $13,625 | $332 |
| Breo Ellipta | 36 | $13,319 | $370 |
| Symbicort | 38 | $13,083 | $344 |
| Lantus Solostar | 17 | $12,876 | $757 |
| Eliquis | 26 | $11,748 | $452 |
| Lyrica | 19 | $10,618 | $559 |
| Tradjenta | 20 | $8,930 | $447 |
| Xarelto | 18 | $8,621 | $479 |
| Ventolin Hfa | 124 | $7,210 | $58 |
| Spiriva Respimat | 14 | $6,376 | $455 |
| Advair Diskus | 14 | $5,613 | $401 |
| Januvia | 12 | $5,530 | $461 |
| Creon | 11 | $4,142 | $377 |
| Incruse Ellipta | 12 | $4,042 | $337 |
| Carvedilol Er | 12 | $2,866 | $239 |
| Levothyroxine | 185 | $2,719 | $15 |
| Vascepa | 13 | $2,620 | $202 |
| Omeprazole | 149 | $1,386 | $9 |
| Atorvastatin | 150 | $1,329 | $9 |
| Duloxetine | 33 | $1,242 | $38 |
| Trazodone | 112 | $1,213 | $11 |
| Gabapentin | 92 | $1,176 | $13 |
| Omega-3 Acid Ethyl Esters | 25 | $1,156 | $46 |
| Hydrocodone-Acetaminophen | 63 | $1,062 | $17 |
| Ursodiol | 11 | $1,043 | $95 |
| Bupropion Xl | 24 | $1,010 | $42 |
| Comfort Ez Pen Needle | 13 | $1,010 | $78 |
| Fluticasone Propionate | 89 | $955 | $11 |
| Pravastatin | 68 | $923 | $14 |
| Rosuvastatin | 31 | $771 | $25 |
| Buspirone | 40 | $662 | $17 |
| Albuterol Sulfate Hfa | 13 | $655 | $50 |
| Baclofen | 61 | $588 | $10 |
| Metformin | 124 | $574 | $5 |
| Losartan | 61 | $571 | $9 |
| Metoprolol | 20 | $532 | $27 |
| Amlodipine Besylate | 120 | $509 | $4 |
| Amitriptyline | 18 | $505 | $28 |
| Carvedilol | 74 | $499 | $7 |
| Levetiracetam | 32 | $492 | $15 |
| Tamsulosin | 39 | $488 | $13 |
| Potassium Chloride | 31 | $443 | $14 |
| Montelukast | 47 | $442 | $9 |
| Ezetimibe | 11 | $424 | $39 |
| Pramipexole Dihydrochloride | 17 | $406 | $24 |
| Synthroid | 11 | $388 | $35 |
| Fenofibrate | 13 | $380 | $29 |
| Pantoprazole | 39 | $355 | $9 |
| Hydroxyzine | 27 | $353 | $13 |
| Divalproex | 13 | $350 | $27 |
| Lisinopril | 83 | $339 | $4 |
| Ibuprofen | 53 | $338 | $6 |
| Allopurinol | 35 | $309 | $9 |
| Ropinirole | 54 | $301 | $6 |
| Finasteride | 18 | $284 | $16 |
| Quetiapine | 34 | $265 | $8 |
| Simvastatin | 46 | $254 | $6 |
| Cartia Xt | 12 | $248 | $21 |
| Venlafaxine Hcl Er | 13 | $228 | $18 |
| Metoprolol | 42 | $222 | $5 |
| Furosemide | 60 | $202 | $3 |
| Cyclobenzaprine | 16 | $194 | $12 |
| Atenolol | 43 | $190 | $4 |
| Alendronate | 28 | $183 | $7 |
| Acetaminophen-Codeine | 12 | $178 | $15 |
| Ranitidine | 31 | $167 | $5 |
| Spironolactone | 31 | $167 | $5 |
| Mirtazapine | 16 | $156 | $10 |
| Sertraline | 14 | $146 | $10 |
| Hydroxyurea | 11 | $145 | $13 |
| Clopidogrel | 25 | $140 | $6 |
| Fluoxetine | 24 | $140 | $6 |
| Mupirocin | 13 | $131 | $10 |
| Escitalopram | 22 | $129 | $6 |
| Glipizide | 17 | $117 | $7 |
| Gemfibrozil | 15 | $115 | $8 |
| Lisinopril-Hydrochlorothiazide | 12 | $69 | $6 |
| Azithromycin | 11 | $67 | $6 |
| Hydrochlorothiazide | 14 | $60 | $4 |
| Meloxicam | 19 | $58 | $3 |
| Estradiol | 12 | $56 | $5 |
| Prednisone | 14 | $50 | $4 |
2018: 23 drugs
| Vascepa | 11 | $3,079 | $280 |
| Ventolin Hfa | 50 | $2,813 | $56 |
| Hydrocodone-Acetaminophen | 48 | $961 | $20 |
| Gabapentin | 35 | $366 | $10 |
| Levothyroxine | 23 | $306 | $13 |
| Pravastatin | 18 | $255 | $14 |
| Oxycodone | 14 | $246 | $18 |
| Fluticasone Propionate | 16 | $200 | $12 |
| Baclofen | 21 | $174 | $8 |
| Pantoprazole | 28 | $168 | $6 |
| Trazodone | 19 | $160 | $8 |
| Atorvastatin | 15 | $150 | $10 |
| Clopidogrel | 13 | $136 | $10 |
| Omeprazole | 19 | $108 | $6 |
| Metformin | 24 | $102 | $4 |
| Losartan | 20 | $94 | $5 |
| Ropinirole | 12 | $58 | $5 |
| Furosemide | 11 | $52 | $5 |
| Lisinopril | 19 | $44 | $2 |
| Carvedilol | 13 | $38 | $3 |
| Simvastatin | 12 | $35 | $3 |
| Hydrochlorothiazide | 11 | $28 | $3 |
| Amlodipine Besylate | 15 | $25 | $2 |
Money from drug and device companies
$108 in 2022
| 2022 | 1 | 1 | None | $108 |
| 2021 | 3 | 5 | None | $85 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Eisai | None | $108 | 1 payment
|
See the published payment
| Eisai | Meals · 2022-11-17 | None | $108 |
See earlier years (2021)
2021: $85
| Novartis Pharmaceuticals | Entresto | $46 | 3 payments
|
| Boehringer Ingelheim Pharmaceuticals | Jardiance | $20 | 1 payment
|
| AstraZeneca Pharmaceuticals LP | Farxiga | $19 | 1 payment
|
Professional record
- NPI
- 1760997951
- Licence
- CA 55190California C55190: Cancelled
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Physician assistant (363A00000X)
- Mailing address
- 15230 Lakeshore Dr, Clearlake, CA, 95422
- NPI first listed
- 2017-12-09
- NPI last updated
- 2021-12-29
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 121 Driftwood Cv, Hercules, CA, 94547
This office lists an electronic records connection.