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Eugene C Santillano, MD

Family Practice · Santa Cruz

NPI 1619967007

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location · Medxcare Health Professionals · 8 clinicians in this group

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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. Santillano’s office at (831) 425-9500 to ask if they take your plan before you enroll.

California Medical Board record

Licence A88670 · Current

Licensed to practise in California · since 2014 · expires 2028-03-31 · Drexel University College of Medicine.

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

Medicaid work

$333,444 in 2023

Medicaid paid $333,444 for 4,425 billed services this clinician did in 2023, up to 179 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2023
Clinic visit/encounter, all-inclusive1,116$284,761
Short return visit (20+ min)1,697$25,886
Return visit (30+ min)609$12,247
Screening performed and negative105$2,973
Annual alcohol misuse screening, 5 to 15 minutes140$1,931
Influenza virus vaccine, quadrivalent (IIV4), split virus, preservative free, 0.5 mL dosage, for intramuscular use188$1,894
Short return visit130$1,363
Screening for depression is documented as negative, a follow-up plan is not required78$669
Hepatitis B vaccine (HepB), adult dosage, 3 dose schedule, for intramuscular use19$564
Screening test, pure tone, air only51$546
Hemoglobin A1C level55$282
Bilateral quantitative screening test of visual acuity53$142
Medicaid work by year
20234,42515179$333,444
20227,58417212$543,514
20215,96616241$481,425
20202,234595$231,833
20191,5583145$400,717
20182,0631183$633,201
See the largest Medicaid services in earlier years

2022

Largest Medicaid services in 2022
Clinic visit/encounter, all-inclusive1,856$463,057
Short return visit (20+ min)2,820$40,930
Return visit (30+ min)858$18,050
Short return visit437$4,954
Screening performed and negative203$4,379
Annual alcohol misuse screening, 5 to 15 minutes296$3,960
Influenza virus vaccine, quadrivalent (IIV4), split virus, preservative free, 0.5 mL dosage, for intramuscular use310$3,008
Screening for depression is documented as negative, a follow-up plan is not required171$1,701
Screening test, pure tone, air only77$863
Long return visit (40+ min)19$667
Screening for depression is documented as being positive and a follow-up plan is documented18$534
Hemoglobin A1C level98$470

2021

Largest Medicaid services in 2021
Clinic visit/encounter, all-inclusive1,733$426,042
Short return visit (20+ min)2,163$30,126
Return visit (30+ min)833$16,055
Annual alcohol misuse screening, 5 to 15 minutes210$2,648
Short return visit209$2,201
Influenza virus vaccine, quadrivalent (IIV4), split virus, preservative free, 0.5 mL dosage, for intramuscular use209$2,052
Screening for depression is documented as negative, a follow-up plan is not required91$995
Screening test, pure tone, air only63$704
Screening performed and negative136$174
Bilateral quantitative screening test of visual acuity61$172
Hemoglobin A1C level22$127
HEMOGLOBIN41$44

2020

Largest Medicaid services in 2020
Clinic visit/encounter, all-inclusive870$210,843
Return visit (30+ min)637$11,832
Short return visit (20+ min)685$8,721
Influenza virus vaccine, quadrivalent (IIV4), split virus, preservative free, 0.5 mL dosage, for intramuscular use27$438
Payment for a telehealth distant site service furnished by a rural health clinic (rhc) or federally qualified health center (fqhc) only15$0

2019

Largest Medicaid services in 2019
Clinic visit/encounter, all-inclusive1,285$400,680
Return visit (30+ min)228$38
Short return visit (20+ min)45$0

2018

Largest Medicaid services in 2018
Clinic visit/encounter, all-inclusive2,063$633,201

Drugs they prescribed that Part D paid

$23,336

Pharmacies billed $23,336 in 2024.

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

221 generic and fewer than 11 brand-name prescriptions · $23,336 in drug cost.

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.

Largest Part D drug costs
Duloxetine13$300$23
Atorvastatin29$276$10
Metformin14$195$14
Lisinopril13$146$11
Amlodipine Besylate12$31$3

Year by year

Part D prescribing by year
202424345NoneNone$23,336
20231,2707611% (136)12%$210,081
20221,2709012% (156)11%$147,809
20211,1978512% (145)12%$159,239
20201,19415714% (172)14%$150,170
20192,96318612% (354)20%$374,107
20183,04619113% (381)19%$390,843
20172,73018114% (381)17%$239,220
20162,50123413% (335)16%$177,931
20151,23315814% (167)None$72,753
201425610628% (72)8%$6,546
201328613423% (65)None$5,646

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

See the drugs prescribed each year

2023: 36 drugs

Part D drugs prescribed in 2023
Farxiga37$49,058$1,326
Trulicity11$31,229$2,839
Jardiance11$13,496$1,227
Basaglar Kwikpen U-10011$8,815$801
Hydrocodone-Acetaminophen75$3,094$41
Atorvastatin88$2,732$31
Valsartan28$1,955$70
Rosuvastatin22$1,658$75
Lisinopril80$1,483$19
Gabapentin43$1,277$30
Amlodipine Besylate54$1,005$19
Tamsulosin23$911$40
Bupropion Xl21$877$42
Metformin37$867$23
Mirtazapine12$862$72
Topiramate24$803$33
Fluticasone Propionate25$773$31
Metformin Hcl Er27$751$28
Duloxetine17$606$36
Hydromorphone22$574$26
Escitalopram12$527$44
Finasteride14$489$35
Terbinafine11$487$44
Omeprazole24$462$19
Clopidogrel14$453$32
Quetiapine11$447$41
Pantoprazole18$433$24
Levothyroxine21$398$19
Pramipexole Dihydrochloride15$368$25
Montelukast16$337$21
Losartan13$304$23
Carvedilol16$288$18
Tizanidine12$224$19
Tramadol Hcl-Acetaminophen13$187$14
Hydrochlorothiazide17$122$7
Acetaminophen-Codeine13$89$7

2022: 39 drugs

Part D drugs prescribed in 2022
Farxiga27$22,967$851
Jardiance12$7,399$617
Duloxetine18$4,452$247
Hydrocodone-Acetaminophen100$4,338$43
Rosuvastatin32$2,833$89
Atorvastatin97$1,846$19
Buprenorphine-Naloxone17$1,651$97
Gabapentin41$1,548$38
Lisinopril86$1,239$14
Ondansetron Odt21$943$45
Valsartan17$730$43
Cyclobenzaprine13$729$56
Amlodipine Besylate57$708$12
Hydromorphone31$707$23
Omeprazole41$698$17
Tamsulosin21$656$31
Chlorthalidone17$625$37
Quetiapine13$598$46
Metformin36$581$16
Metformin Hcl Er21$571$27
Pregabalin13$568$44
Alprazolam12$560$47
Tramadol Hcl-Acetaminophen12$470$39
Levothyroxine23$455$20
Mirtazapine11$416$38
Tizanidine17$408$24
Terbinafine14$389$28
Finasteride16$364$23
Escitalopram19$305$16
Clopidogrel11$267$24
Fluticasone Propionate11$248$23
Carvedilol15$236$16
Pioglitazone11$233$21
Pramipexole Dihydrochloride13$217$17
Losartan14$215$15
Irbesartan11$209$19
Topiramate11$155$14
Paroxetine13$136$10
Hydrochlorothiazide12$50$4

2021: 33 drugs

Part D drugs prescribed in 2021
Trulicity25$33,777$1,351
Lantus Solostar14$14,836$1,060
Basaglar Kwikpen U-10018$14,802$822
Farxiga15$11,890$793
Hydrocodone-Acetaminophen99$3,340$34
Atorvastatin89$1,534$17
Duloxetine35$1,470$42
Gabapentin47$1,423$30
Buprenorphine-Naloxone12$1,229$102
Chlorthalidone28$812$29
Hydromorphone33$679$21
Fluticasone Propionate19$602$32
Omeprazole39$576$15
Valsartan12$569$47
Ondansetron Odt18$521$29
Bupropion Xl13$478$37
Tamsulosin22$447$20
Metformin50$427$9
Levothyroxine16$411$26
Lisinopril58$408$7
Pregabalin12$398$33
Tramadol Hcl-Acetaminophen11$378$34
Rosuvastatin12$368$31
Tizanidine13$315$24
Amlodipine Besylate42$302$7
Metformin Hcl Er16$300$19
Irbesartan15$297$20
Losartan17$262$15
Carvedilol16$212$13
Paroxetine16$149$9
Pioglitazone14$121$9
Alprazolam11$90$8
Hydrochlorothiazide19$53$3

2020: 25 drugs

Part D drugs prescribed in 2020
Trulicity28$30,448$1,087
Basaglar Kwikpen U-10013$8,712$670
Hydrocodone-Acetaminophen102$2,140$21
Gabapentin62$1,716$28
Buprenorphine-Naloxone11$1,446$131
Diclofenac30$1,322$44
Atorvastatin100$1,144$11
Buprenorphine15$755$50
Duloxetine15$645$43
Pregabalin14$503$36
Hydromorphone33$493$15
Levothyroxine14$440$31
Fluticasone Propionate18$408$23
Lisinopril60$371$6
Baclofen16$370$23
Tamsulosin12$269$22
Amlodipine Besylate39$220$6
Omeprazole22$208$9
Metformin25$204$8
Topiramate21$188$9
Paroxetine14$162$12
Mirtazapine13$156$12
Carvedilol14$92$7
Metformin Hcl Er16$69$4
Ibuprofen11$52$5

2019: 77 drugs

Part D drugs prescribed in 2019
Suboxone91$32,013$352
Trulicity21$25,002$1,191
Victoza 3-Pak15$23,456$1,564
Anoro Ellipta32$15,770$493
Lantus16$11,065$692
Basaglar Kwikpen U-10013$10,510$808
Lyrica14$10,470$748
Buprenorphine33$10,296$312
Levemir Flextouch19$8,040$423
Spiriva15$6,871$458
Buprenorphine-Naloxone21$5,339$254
Zubsolv28$5,191$185
Breo Ellipta13$4,890$376
Vascepa13$4,612$355
Hydrocodone-Acetaminophen130$3,131$24
Atorvastatin232$2,522$11
Gabapentin81$2,069$26
Narcan14$1,805$129
Phenytoin Sodium Extended11$1,588$144
Duloxetine40$1,509$38
Voltaren20$1,478$74
Oxycodone-Acetaminophen43$1,420$33
Rosuvastatin17$1,329$78
Pregabalin11$1,133$103
Morphine Sulfate Er34$993$29
Bupropion Xl19$955$50
Fluticasone Propionate47$870$19
Hydromorphone50$800$16
Levetiracetam22$756$34
Ventolin Hfa13$743$57
Levothyroxine23$678$29
Lisinopril120$676$6
Tizanidine39$674$17
Azelastine13$634$49
Buprenorphine16$620$39
Omeprazole63$571$9
Topiramate50$517$10
Ranitidine42$491$12
Oxybutynin Chloride Er14$440$31
Propranolol Hcl Er11$434$39
Amlodipine Besylate77$419$5
Metformin57$416$7
Metoprolol30$414$14
Prazosin20$401$20
Diclofenac16$401$25
Venlafaxine Hcl Er22$387$18
Metformin Hcl Er55$378$7
Cyclobenzaprine14$354$25
Tramadol41$304$7
Irbesartan14$267$19
Atenolol27$261$10
Mirtazapine22$255$12
Buspirone11$222$20
Methadone12$207$17
Ibuprofen39$201$5
Sertraline16$199$12
Trazodone26$168$6
Clonazepam24$166$7
Sumatriptan13$165$13
Hydrochlorothiazide45$165$4
Triamcinolone Acetonide21$164$8
Baclofen14$146$10
Carvedilol20$143$7
Famotidine11$133$12
Hydroxyzine14$132$9
Tamsulosin13$128$10
Pantoprazole17$124$7
Amiodarone11$122$11
Montelukast20$114$6
Fluoxetine12$100$8
Terbinafine12$96$8
Benazepril14$87$6
Naproxen18$80$4
Pramipexole Dihydrochloride15$59$4
Lorazepam15$49$3
Single Use Swab13$35$3
Zolpidem13$16$1

2018: 67 drugs

Part D drugs prescribed in 2018
Suboxone98$37,584$384
Lantus26$19,542$752
Anoro Ellipta38$17,043$448
Lyrica22$16,220$737
Trulicity15$15,509$1,034
Advair Diskus21$11,804$562
Buprenorphine31$10,273$331
Spiriva14$7,472$534
Basaglar Kwikpen U-10012$4,857$405
Hydrocodone-Acetaminophen168$4,008$24
Atorvastatin285$2,577$9
Gabapentin77$2,293$30
Morphine Sulfate Er28$2,006$72
Zubsolv21$1,783$85
Aripiprazole11$1,687$153
Oxycodone-Acetaminophen47$1,471$31
Tolterodine Tartrate Er12$1,348$112
Omega-3 Acid Ethyl Esters14$1,334$95
Voltaren12$1,207$101
Ventolin Hfa21$1,166$56
Celecoxib12$1,093$91
Rosuvastatin29$1,059$37
Propranolol Hcl Er13$936$72
Bupropion Xl28$886$32
Levothyroxine37$861$23
Fluticasone Propionate62$860$14
Doxycycline Hyclate14$805$58
Lisinopril150$708$5
Quetiapine19$624$33
Metoprolol32$599$19
Omeprazole67$521$8
Ranitidine60$491$8
Ultra-Fine Short Pen Needle11$438$40
Amlodipine Besylate95$429$5
Oxybutynin Chloride Er13$416$32
Metformin67$412$6
Levetiracetam17$408$24
Duloxetine20$392$20
Tizanidine36$370$10
Methadone21$355$17
Escitalopram26$355$14
Cyclobenzaprine21$341$16
Topiramate33$332$10
Hydromorphone33$320$10
Tamsulosin19$262$14
Mirtazapine18$248$14
Hydroxyzine15$247$16
Metformin Hcl Er25$228$9
Simvastatin23$226$10
Ibuprofen38$219$6
Baclofen15$215$14
Hydrochlorothiazide51$205$4
Zonisamide11$189$17
Atenolol15$179$12
Sertraline15$168$11
Carvedilol26$157$6
Triamcinolone Acetonide14$149$11
Tramadol34$148$4
Sumatriptan11$132$12
Terbinafine21$117$6
Metoprolol11$104$9
Lisinopril-Hydrochlorothiazide13$96$7
Benazepril14$84$6
Citalopram Hbr13$49$4
Lorazepam17$37$2
Dicyclomine12$37$3
Carisoprodol11$25$2

2017: 76 drugs

Part D drugs prescribed in 2017
Suboxone75$20,693$276
Lyrica21$14,667$698
Advair Diskus33$13,633$413
Lantus19$11,493$605
Combivent Respimat19$8,780$462
Spiriva22$8,124$369
Butrans21$7,665$365
Renvela12$6,303$525
Rozerem11$3,897$354
Buprenorphine13$3,896$300
Stiolto Respimat11$3,751$341
Creon13$3,332$256
Oxycodone41$3,300$80
Hydrocodone-Acetaminophen150$3,280$22
Morphine Sulfate Er27$2,243$83
Oxycodone-Acetaminophen54$1,929$36
Fluoxetine14$1,925$138
Atorvastatin143$1,805$13
Gabapentin68$1,684$25
Bupropion Xl30$752$25
Ventolin Hfa14$749$54
Duloxetine15$748$50
Baclofen51$743$15
Lisinopril153$714$5
Fluticasone Propionate47$705$15
Fentanyl12$674$56
Oxybutynin Chloride Er13$557$43
Omeprazole63$544$9
Ranitidine64$502$8
Insulin14$489$35
Levocetirizine Dihydrochloride15$471$31
Metformin80$470$6
Metoprolol28$439$16
Methadone29$436$15
Amitriptyline14$412$29
Quetiapine17$377$22
Levothyroxine17$372$22
Insulin14$339$24
Topiramate43$321$7
Tizanidine35$319$9
Amlodipine Besylate61$290$5
Cyclobenzaprine15$286$19
Mirtazapine19$277$15
Levetiracetam21$276$13
Irbesartan15$273$18
Sertraline26$255$10
Zonisamide11$229$21
Doxazosin Mesylate12$211$18
Escitalopram24$192$8
Hydrocortisone13$189$15
Terbinafine29$184$6
Olanzapine16$182$11
Hydroxyzine13$180$14
Simvastatin29$158$5
Triamcinolone Acetonide11$154$14
Mupirocin11$143$13
Lactulose13$139$11
Tramadol33$133$4
Tamsulosin11$129$12
Carvedilol17$125$7
Ibuprofen33$122$4
Methocarbamol13$114$9
Sumatriptan18$112$6
Hydrochlorothiazide43$111$3
Furosemide33$106$3
Risperidone15$102$7
Ibu18$96$5
Naproxen15$86$6
Lisinopril-Hydrochlorothiazide13$80$6
Citalopram Hbr24$79$3
Estradiol11$56$5
Metoprolol18$50$3
Glipizide19$47$2
Lorazepam22$28$1
Meloxicam11$25$2
Alprazolam11$12$1

2016: 67 drugs

Part D drugs prescribed in 2016
Suboxone46$15,494$337
Spiriva38$12,793$337
Advair Diskus33$12,744$386
Lantus22$10,368$471
Lyrica11$7,323$666
Oxycodone Hcl Er12$7,170$597
Renvela12$6,180$515
Combivent Respimat16$5,155$322
Rozerem13$4,335$333
Hydrocodone-Acetaminophen137$3,955$29
Gabapentin114$3,159$28
Oxycodone-Acetaminophen50$2,414$48
Atorvastatin102$1,520$15
Fluoxetine15$1,387$92
Morphine Sulfate Er24$1,207$50
Oxycodone29$1,157$40
Duloxetine28$1,004$36
Baclofen32$843$26
Fentanyl13$752$58
Levothyroxine46$717$16
Ventolin Hfa11$573$52
Lisinopril106$531$5
Buprenorphine12$515$43
Omeprazole55$503$9
Ranitidine50$503$10
Triamcinolone Acetonide27$477$18
Metformin71$456$6
Bupropion Xl16$452$28
Levetiracetam21$448$21
Amlodipine Besylate50$396$8
Tizanidine26$366$14
Terbinafine41$356$9
Bupropion11$354$32
Escitalopram25$319$13
Methadone28$301$11
Metoprolol23$300$13
Fluticasone Propionate36$297$8
Trazodone33$239$7
Ibuprofen36$205$6
Tramadol41$203$5
Hydrocortisone23$187$8
Sumatriptan16$180$11
Prednisone25$174$7
Naproxen19$165$9
Lamotrigine14$164$12
Sertraline19$163$9
Warfarin14$158$11
Nortriptyline23$155$7
Quinapril11$155$14
Simvastatin48$143$3
Hydrochlorothiazide30$138$5
Enalapril Maleate11$137$12
Oxybutynin Chloride Er12$135$11
Carvedilol17$126$7
Atenolol15$124$8
Metoprolol19$119$6
Topiramate25$106$4
Hydroxyzine11$103$9
Mupirocin12$91$8
Furosemide34$89$3
Risperidone12$76$6
Glipizide21$71$3
Cyclobenzaprine14$53$4
Diazepam11$49$4
Clonazepam13$41$3
Citalopram Hbr15$41$3
Lorazepam12$21$2

2015: 35 drugs

Part D drugs prescribed in 2015
Suboxone15$7,440$496
Advair Diskus17$5,557$327
Lyrica16$4,853$303
Gabapentin33$1,566$47
Hydrocodone-Acetaminophen65$1,553$24
Duloxetine14$1,204$86
Buprenorphine15$937$62
Fluoxetine13$813$63
Oxycodone-Acetaminophen31$801$26
Morphine Sulfate Er14$728$52
Oxybutynin Chloride Er15$675$45
Proair Hfa11$557$51
Atorvastatin37$501$14
Escitalopram29$477$16
Omeprazole42$407$10
Metoprolol19$390$21
Fluticasone Propionate20$367$18
Methadone16$345$22
Metformin35$270$8
Levothyroxine14$247$18
Lisinopril38$237$6
Ranitidine15$229$15
Baclofen13$202$16
Quinapril17$193$11
Tramadol32$154$5
Hydralazine11$114$10
Clonazepam22$113$5
Amlodipine Besylate23$110$5
Simvastatin21$92$4
Sertraline11$87$8
Ibuprofen13$82$6
Furosemide13$64$5
Hydrochlorothiazide13$50$4
Glipizide15$45$3
Meloxicam11$25$2

2014: 5 drugs

Part D drugs prescribed in 2014
Hydrocodone-Acetaminophen18$257$14
Oxycodone-Acetaminophen19$252$13
Methylprednisolone12$251$21
Tramadol19$74$4
Ibuprofen16$69$4

2013: 6 drugs

Part D drugs prescribed in 2013
Methylprednisolone15$351$23
Simvastatin25$164$7
Ibuprofen30$149$5
Oxycodone-Acetaminophen27$144$5
Cephalexin16$117$7
Tramadol16$78$5

Money from drug and device companies

$129 in 2025

Industry payments by year
202511None$129
202111None$111
201911None$20

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

A payment is not proof that care is biased.

Payments by company
IndiviorSublocade$129
1 payment
  • Meals for Sublocade · 2025-06-24 · $129
See the published payment
Every published payment
IndiviorMeals · 2025-06-24Sublocade$129
See earlier years (2021, 2019)

2021: $111

Payments by company in 2021
AlkermesVivitrol$111
1 payment
  • Meals for Vivitrol · 2021-08-05 · $111

2019: $20

Payments by company in 2019
IndiviorSublocade$20
1 payment
  • Meals for Sublocade · 2019-08-22 · $20

Professional record

NPI
1619967007
Licence
CA A88670, PA MD428878California A88670: Current · expires 2028-03-31
Trained
Drexel University College of Medicine, 2003
Gender
Male
More record details
Sole proprietor
No
Medicaid ID
PA 101722200
Taxonomy
Federal specialty code 207QA0401X (207QA0401X); Family medicine (207Q00000X)
Mailing address
1287 Hammerwood Ave, Sunnyvale, CA, 94089
NPI first listed
2005-10-26
NPI last updated
2025-10-24
NPI record certified
2025-10-24

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

Extra NPI addresses: 50 Penny Ln, Watsonville, CA, 95076