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Erica E Weirich, MD

Family Practice · Palo Alto

NPI 1700978400

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
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Offices

1 location · Sutter Bay Medical Foundation · 3,783 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. Weirich’s office at (415) 600-1020 to ask if they take your plan before you enroll.

California Medical Board record

Licence A70387 · Current

Licensed to practise in California · since 1999 · expires 2027-02-28 · Stanford University School of Medicine.

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

Original Medicare doctor bills

$55,261

Medicare paid this office $55,261 for 105 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Return visit (30+ min)95$31,345$113
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit43$6,755$157
Sarscov2 vac 50 mcg/0.5ml im21$3,424$156
Influenza vaccine, inactivated30$2,455$82
Administration of influenza virus vaccine33$1,446$39
See all 7 services
Every Original Medicare service billed
Return visit (30+ min)95$31,345$113
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit43$6,755$157
Sarscov2 vac 50 mcg/0.5ml im21$3,424$156
Influenza vaccine, inactivated30$2,455$82
Administration of influenza virus vaccine33$1,446$39
Admn sarscov2 vacc 1 dose21$1,146$52
Short return visit (20+ min)11$1,015$85

Procedures Medicare counted

Procedure volume Medicare published
Removal of skin lesions41More than 71% of doctors who do this
Removal of tissue1-10None

Who their Medicare patients are

105 Original Medicare patients in 2024. Average age 78 · Women 72% · Health risk score 1.02. At or below the middle of the specialty; the typical family practice clinician is at 1.13.

Conditions among them: High blood pressure 60% · Coronary heart disease 29% · Cancer 24% · Diabetes 17% · Atrial fibrillation 16% · Chronic kidney disease 15% · Depression 13% · COPD 11%.

The office billed $154,589, Medicare allowed $68,806 and paid $55,261; for 560 services of 34 kinds; $7,872 of it was for drugs given in the office and $47,389 for care.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

Original Medicare by year
2024105560781.02$154,589$55,261
202392369781.00$99,216$38,914
202292466781.00$111,589$44,507
202190472780.99$101,640$42,502
2020105523781.09$109,764$42,448
2019109538781.03$117,488$40,296
2018125599781.08$126,522$45,271
2017104355751.19$73,528$25,359
201675300720.95$60,072$21,068
201583378730.89$68,440$29,126
201477267720.79$51,847$17,044
201368255721.01$51,942$16,857

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 5 services

Original Medicare services billed in 2023
Return visit (30+ min)65$20,509$118
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit54$8,615$160
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage20$1,511$76
Short return visit (20+ min)14$1,335$83
Administration of influenza virus vaccine20$756$38

2022: 5 services

Original Medicare services billed in 2022
Return visit (30+ min)71$23,248$117
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit51$8,048$158
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage34$2,389$70
Short return visit (20+ min)21$1,953$75
Administration of influenza virus vaccine38$1,436$38

2021: 7 services

Original Medicare services billed in 2021
Return visit (30+ min)59$18,980$116
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit53$7,718$146
Telephone medical discussion with physician, 21-30 minutes12$3,602$100
Influenza vaccine split virus, preservative free40$2,602$65
Short return visit (20+ min)21$2,343$87
Administration of influenza virus vaccine42$916$22
Office for the evaluation and management of established patient that may not require presence of healthcare professional11$285$22

2020: 8 services

Original Medicare services billed in 2020
Return visit (30+ min)67$15,845$96
Telephone medical discussion with physician, 21-30 minutes28$6,103$107
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit28$3,969$142
Residence visit for established patient with high level of medical decision making, per day at least 60 minutes11$3,034$169
Influenza vaccine split virus, preservative free48$2,913$61
Short return visit (20+ min)29$2,473$65
Administration of influenza virus vaccine51$1,067$21
Administration of pneumococcal vaccine13$271$21

2019: 6 services

Original Medicare services billed in 2019
Return visit (30+ min)67$16,357$97
Short return visit (20+ min)62$6,417$65
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit29$4,054$140
Influenza vaccine split virus, preservative free44$2,363$54
Administration of influenza virus vaccine46$943$21
Administration of pneumococcal vaccine11$226$21

2018: 5 services

Original Medicare services billed in 2018
Return visit (30+ min)78$16,475$97
Short return visit (20+ min)68$9,569$66
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit32$4,202$131
Influenza vaccine split virus, preservative free48$2,154$44
Administration of influenza virus vaccine55$1,441$26

2017: 5 services

Original Medicare services billed in 2017
Return visit (30+ min)55$8,283$92
Short return visit (20+ min)49$5,251$64
Long return visit (40+ min)11$1,292$117
Influenza vaccine split virus, preservative free28$1,235$44
Administration of influenza virus vaccine33$1,062$32

2016: 5 services

Original Medicare services billed in 2016
Return visit (30+ min)43$7,067$88
Short return visit (20+ min)44$5,169$61
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit15$1,882$125
Administration of influenza virus vaccine23$699$30
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage16$295$18

2015: 7 services

Original Medicare services billed in 2015
Return visit (30+ min)43$9,227$93
Pneumococcal vaccine, 13-valent50$7,537$151
Short return visit (20+ min)44$4,069$61
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit20$2,631$132
Administration of pneumococcal vaccine50$1,519$30
Administration of influenza virus vaccine19$593$31
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage13$231$18

2014: 6 services

Original Medicare services billed in 2014
Return visit (30+ min)40$7,691$86
Short return visit (20+ min)31$2,914$57
Long return visit (40+ min)19$1,916$96
Administration of influenza virus vaccine27$851$30
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage21$376$18
Administration of pneumococcal vaccine12$365$30

2013: 5 services

Original Medicare services billed in 2013
Return visit (30+ min)33$7,346$93
Long return visit (40+ min)25$3,728$120
Short return visit (20+ min)29$2,434$53
Administration of influenza virus vaccine23$732$31
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage14$261$19

Drugs they prescribed that Part D paid

$133,797

Pharmacies billed $133,797 in 2024.

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

Opioids were 2% of their Part D prescriptions (30 of 1,359) in 2024. Above the middle of the specialty; the typical family practice clinician is at 2%.

1,140 generic and fewer than 11 brand-name prescriptions · $133,797 in drug cost · 87 antibiotic prescriptions to 41 people · 15 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.

Largest Part D drug costs
Trulicity14$20,648$1,475
Myrbetriq15$8,575$572
Belsomra12$6,126$511
Paxlovid29$4,226$146
Estradiol13$1,644$126
See all 43 drugs
Every Part D drug this clinician prescribed
Trulicity14$20,648$1,475
Myrbetriq15$8,575$572
Belsomra12$6,126$511
Paxlovid29$4,226$146
Estradiol13$1,644$126
Synthroid12$1,608$134
Rosuvastatin62$1,476$24
Atorvastatin81$1,372$17
Levothyroxine55$846$15
Lansoprazole15$841$56
Albuterol Sulfate Hfa17$561$33
Duloxetine33$537$16
Mirtazapine14$512$37
Gabapentin26$511$20
Valacyclovir24$502$21
Sertraline26$499$19
Escitalopram27$469$17
Losartan31$451$15
Bupropion Hcl Sr11$365$33
Lisinopril30$347$12
Metoprolol16$308$19
Quetiapine13$301$23
Mometasone Furoate14$293$21
Metoprolol14$250$18
Metformin Hcl Er28$242$9
Carvedilol20$219$11
Amlodipine Besylate31$204$7
Dexamethasone17$198$12
Ondansetron Odt18$191$11
Hydrocodone-Acetaminophen20$174$9
Trazodone21$162$8
Nitrofurantoin Mono-Macro20$157$8
Fluoxetine12$155$13
Pantoprazole14$148$11
Cephalexin16$135$8
Lorazepam14$129$9
Azithromycin19$116$6
Pravastatin13$114$9
Zolpidem14$106$8
Tamsulosin11$84$8
Atenolol14$61$4
Amoxicillin12$55$5
Cyclobenzaprine12$27$2

Year by year

Part D prescribing by year
20241,3591172% (30)None$133,797
20231,3231142% (23)15%$147,276
20221,3581162% (32)16%$165,841
20211,2271113% (41)None$126,455
20201,2111195% (54)None$101,406
20191,1051232% (21)18%$106,111
20181,0551283% (35)18%$100,180
20176421263% (21)20%$57,971
201662772None23%$58,819
201568471None23%$60,202
201471666None23%$77,716
2013692582% (15)26%$61,380

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

See the drugs prescribed each year

2023: 42 drugs

Part D drugs prescribed in 2023
Trulicity20$20,140$1,007
Rybelsus12$16,034$1,336
Eliquis21$15,720$749
Myrbetriq17$10,866$639
Estradiol22$3,942$179
Rosuvastatin56$2,582$46
Synthroid14$1,771$126
Levothyroxine70$1,368$20
Lansoprazole16$1,330$83
Atorvastatin76$1,081$14
Losartan41$1,007$25
Mirtazapine23$933$41
Valacyclovir19$791$42
Albuterol Sulfate Hfa20$691$35
Escitalopram13$628$48
Gabapentin24$479$20
Quetiapine17$455$27
Lisinopril41$414$10
Ondansetron Odt22$382$17
Duloxetine19$359$19
Sertraline34$358$11
Trazodone29$352$12
Metoprolol21$348$17
Tamsulosin12$327$27
Fluoxetine13$282$22
Metformin Hcl Er24$271$11
Fluticasone Propionate16$245$15
Pravastatin17$242$14
Paxlovid (Eua)22$219$10
Hydrocodone-Acetaminophen12$217$18
Zolpidem16$214$13
Metoprolol18$208$12
Pantoprazole13$192$15
Dexamethasone14$191$14
Amlodipine Besylate16$139$9
Nitrofurantoin Mono-Macro14$135$10
Carvedilol16$113$7
Cephalexin17$105$6
Lorazepam14$79$6
Hydrochlorothiazide13$77$6
Azithromycin12$58$5
Simvastatin12$52$4

2022: 43 drugs

Part D drugs prescribed in 2022
Xarelto23$27,843$1,211
Rybelsus14$17,266$1,233
Eliquis23$16,171$703
Trulicity12$11,687$974
Myrbetriq11$10,704$973
Belsomra14$5,907$422
Rosuvastatin37$2,200$59
Wixela Inhub12$1,735$145
Atorvastatin90$1,586$18
Levothyroxine61$1,524$25
Synthroid12$1,358$113
Duloxetine37$870$24
Fluoxetine19$865$46
Mirtazapine21$775$37
Quetiapine20$565$28
Lisinopril41$554$14
Oxcarbazepine12$528$44
Escitalopram16$519$32
Pravastatin23$466$20
Tamsulosin14$441$31
Sertraline29$427$15
Losartan39$382$10
Trazodone23$363$16
Gabapentin19$359$19
Metformin Hcl Er33$345$10
Albuterol Sulfate Hfa12$343$29
Metoprolol19$322$17
Valacyclovir12$312$26
Omeprazole14$291$21
Metoprolol15$258$17
Ondansetron Odt13$254$20
Hydrocodone-Acetaminophen17$239$14
Amlodipine Besylate26$213$8
Hydrochlorothiazide22$203$9
Zolpidem18$188$10
Simvastatin22$172$8
Prednisone21$146$7
Paxlovid (Eua)13$138$11
Carvedilol16$135$8
Cephalexin13$134$10
Lorazepam21$125$6
Pantoprazole12$125$10
Nitrofurantoin Mono-Macro12$117$10

2021: 37 drugs

Part D drugs prescribed in 2021
Xarelto12$17,795$1,483
Rybelsus13$16,796$1,292
Eliquis19$12,167$640
Synthroid14$1,795$128
Rosuvastatin31$1,517$49
Pregabalin11$1,503$137
Levothyroxine65$1,402$22
Atorvastatin67$990$15
Duloxetine28$985$35
Fluoxetine31$877$28
Mirtazapine20$850$42
Gabapentin20$604$30
Escitalopram21$559$27
Celecoxib11$449$41
Tamsulosin17$400$24
Pravastatin22$393$18
Losartan32$382$12
Sertraline26$316$12
Trazodone26$306$12
Bupropion Hcl Sr11$301$27
Hydrocodone-Acetaminophen16$289$18
Metoprolol17$272$16
Valacyclovir11$271$25
Nitrofurantoin Mono-Macro17$250$15
Lisinopril30$245$8
Fluticasone Propionate19$241$13
Amlodipine Besylate45$225$5
Pantoprazole20$193$10
Simvastatin25$191$8
Zolpidem14$177$13
Quetiapine17$174$10
Metformin Hcl Er29$170$6
Lorazepam19$158$8
Dexamethasone12$133$11
Hydrochlorothiazide11$130$12
Carvedilol14$104$7
Omeprazole11$102$9

2020: 34 drugs

Part D drugs prescribed in 2020
Dexilant12$8,542$712
Amitiza11$4,126$375
Rosuvastatin27$3,027$112
Synthroid19$2,126$112
Levothyroxine57$1,502$26
Duloxetine13$1,340$103
Celecoxib15$1,257$84
Pregabalin18$1,013$56
Atorvastatin55$968$18
Hydrocodone-Acetaminophen34$726$21
Trazodone32$629$20
Fluticasone Propionate30$586$20
Pantoprazole16$577$36
Metformin Hcl Er34$541$16
Pravastatin18$533$30
Mirtazapine17$523$31
Gabapentin26$473$18
Escitalopram26$412$16
Metoprolol17$408$24
Fluoxetine12$386$32
Sertraline24$376$16
Tamsulosin16$370$23
Lisinopril30$361$12
Simvastatin23$304$13
Losartan24$273$11
Lorazepam24$204$8
Nitrofurantoin Mono-Macro19$185$10
Donepezil15$174$12
Omeprazole16$174$11
Hydrochlorothiazide14$156$11
Zolpidem16$145$9
Amlodipine Besylate32$118$4
Cephalexin18$84$5
Quetiapine17$66$4

2019: 31 drugs

Part D drugs prescribed in 2019
Eliquis11$7,688$699
Dexilant12$7,124$594
Amitiza12$4,494$374
Rosuvastatin29$3,483$120
Estradiol16$3,190$199
Duloxetine11$2,963$269
Synthroid20$2,113$106
Levothyroxine62$1,398$23
Atorvastatin53$1,136$21
Oxybutynin Chloride Er15$671$45
Gabapentin16$613$38
Fluoxetine24$610$25
Metformin Hcl Er35$568$16
Fluticasone Propionate21$556$26
Lisinopril35$451$13
Trazodone35$439$13
Tamsulosin11$380$35
Metoprolol12$373$31
Sertraline20$371$19
Paroxetine12$352$29
Escitalopram13$344$26
Losartan33$330$10
Azithromycin27$218$8
Amlodipine Besylate39$196$5
Omeprazole17$192$11
Simvastatin18$183$10
Doxycycline Hyclate11$174$16
Nitrofurantoin Mono-Macro13$118$9
Lorazepam14$113$8
Zolpidem16$111$7
Sulfamethoxazole-Trimethoprim14$40$3

2018: 31 drugs

Part D drugs prescribed in 2018
Advair Diskus23$11,065$481
Oxycodone-Acetaminophen13$1,336$103
Synthroid12$1,245$104
Atorvastatin48$910$19
Levothyroxine55$869$16
Fluticasone Propionate31$724$23
Pravastatin14$631$45
Olmesartan Medoxomil15$591$39
Fluoxetine22$467$21
Valacyclovir15$459$31
Metoprolol14$451$32
Gabapentin14$358$26
Lisinopril30$311$10
Metformin Hcl Er34$301$9
Bupropion Hcl Sr13$300$23
Zolpidem27$293$11
Sumatriptan14$275$20
Omeprazole21$254$12
Trazodone26$223$9
Nitrofurantoin Mono-Macro15$211$14
Sertraline24$209$9
Furosemide20$197$10
Escitalopram12$196$16
Chlorthalidone13$192$15
Hydrochlorothiazide18$147$8
Simvastatin29$118$4
Losartan19$114$6
Amlodipine Besylate25$108$4
Azithromycin14$97$7
Lorazepam13$82$6
Cephalexin11$68$6

2017: 17 drugs

Part D drugs prescribed in 2017
Vesicare14$7,202$514
Metformin Hcl Er13$1,343$103
Levothyroxine28$774$28
Fluoxetine21$580$28
Atorvastatin20$480$24
Fluticasone Propionate17$395$23
Atenolol26$306$12
Bupropion Hcl Sr11$278$25
Sumatriptan14$245$17
Lisinopril19$228$12
Escitalopram11$191$17
Omeprazole17$142$8
Lovastatin11$97$9
Losartan18$80$4
Hydrochlorothiazide13$73$6
Sertraline11$61$6
Zolpidem14$40$3

2016: 19 drugs

Part D drugs prescribed in 2016
Vesicare12$6,291$524
Lidocaine15$3,138$209
Levothyroxine20$673$34
Metoprolol11$639$58
Atorvastatin25$407$16
Bupropion Hcl Sr15$333$22
Atenolol20$291$15
Fluticasone Propionate25$258$10
Montelukast12$248$21
Lisinopril24$216$9
Omeprazole17$137$8
Pantoprazole16$127$8
Lorazepam11$127$12
Lovastatin16$127$8
Simvastatin11$84$8
Hydrochlorothiazide21$83$4
Carvedilol11$70$6
Ibuprofen12$57$5
Zolpidem11$27$2

2015: 19 drugs

Part D drugs prescribed in 2015
Lidoderm12$6,106$509
Vagifem16$4,576$286
Metronidazole11$1,280$116
Levothyroxine22$734$33
Atorvastatin18$537$30
Metformin Hcl Er13$530$41
Fluticasone Propionate18$301$17
Bupropion Hcl Sr11$231$21
Atenolol22$201$9
Lisinopril27$198$7
Omeprazole13$172$13
Lovastatin15$125$8
Simvastatin18$106$6
Hydrochlorothiazide15$87$6
Metformin11$75$7
Carvedilol17$62$4
Zolpidem12$52$4
Losartan-Hydrochlorothiazide12$37$3
Furosemide17$32$2

2014: 22 drugs

Part D drugs prescribed in 2014
Abilify11$23,126$2,102
Lidoderm25$7,191$288
Duloxetine12$3,837$320
Vagifem12$3,199$267
Bupropion Hcl Sr24$1,013$42
Atorvastatin30$885$29
Fluticasone Propionate26$722$28
Levothyroxine23$707$31
Metformin Hcl Er13$383$29
Cyclobenzaprine12$336$28
Metformin18$323$18
Omeprazole13$301$23
Lisinopril29$245$8
Chlorthalidone12$231$19
Atenolol20$208$10
Simvastatin25$180$7
Methimazole16$148$9
Hydrochlorothiazide16$135$8
Warfarin16$134$8
Losartan-Hydrochlorothiazide12$111$9
Amlodipine Besylate17$89$5
Furosemide11$49$4

2013: 17 drugs

Part D drugs prescribed in 2013
Vesicare14$5,318$380
Travatan Z13$1,515$117
Atorvastatin39$1,441$37
Bupropion Hcl Sr23$1,306$57
Fluticasone Propionate13$609$47
Metformin21$454$22
Methadone12$395$33
Warfarin26$393$15
Levothyroxine20$388$19
Lisinopril34$305$9
Simvastatin22$243$11
Amlodipine Besylate18$199$11
Losartan-Hydrochlorothiazide11$176$16
Enalapril Maleate11$170$15
Atenolol13$141$11
Methimazole14$132$9
Hydrochlorothiazide13$80$6

Professional record

NPI
1700978400
Licence
CA A70387California A70387: Current · expires 2027-02-28
Trained
Stanford University School of Medicine, 1998
Video visits
Lists video visits
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Family medicine (207Q00000X)
Mailing address
325 Distel Cir, Los Altos, CA, 94022
NPI first listed
2006-09-29
NPI last updated
2020-03-06
NPI record certified
2020-03-06

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

Extra NPI addresses: 370 Distel Cir, Los Altos, CA, 94022