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Emily M. Walker, NP

Nurse Practitioner · Stanford

NPI 1306253315

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
3
1 carrier
Offices
2

Offices

2 locations · Stanford Health Care · University of California San Francisco

Looking this up.

Hospitals listed: UCSF Medical Center. That is not proof they admit you there this week.

Plans that list them

3 plans · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Emily M. Walker’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

Plans whose provider directory lists this clinician
Imperial Courage Plan (HMO)Imperial Health Plan of California, Inc.ListedSep 1, 2026
Imperial Dynamic Plan (HMO)Imperial Health Plan of California, Inc.ListedSep 1, 2026
Imperial Senior Value (HMO C-SNP)Imperial Health Plan of California, Inc.ListedSep 1, 2026

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

  • UCSF Medical CenterSan Francisco, CAAcute Care Hospital · Voluntary non-profit - Other · Has an emergency department · Birthing-friendlyPart of University of California Health, which runs 12 hospitalsHome of UCSF Helen Diller Family Comprehensive Cancer Center, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 81% would definitely recommend it
    Overall rating: 4 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 4.9 (3.79 to 6.02) · 7,590 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 12.8 (11.3 to 14.4) · 2,019 cases, Jan 2024 – Dec 2024Better than the national rate — Death rate among surgical inpatients with serious treatable complications: 139.4 (110.22 to 168.58) · 452 cases, Jul 2022 – Jun 2024Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.622, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.626, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.491, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.8 (0.7 to 1) · 2,336 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for UCSF Medical Center

Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 3 better, 5 the same, 3 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at UCSF Medical Center
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths4.9 (3.79 to 6.02) · 7,590 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits12.8 (11.3 to 14.4) · 2,019 casesWorseJan 2024 – Dec 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths139.4 (110.22 to 168.58) · 452 casesBetterJul 2022 – Jun 2024
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.622BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.626BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.491BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.8 (0.7 to 1) · 2,336 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.24 (0.58 to 1.9) · 4,689 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.05 (0.89 to 1.2)No differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.9 · 89 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.5 · 85 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10.1 · 132 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.6 · 454 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 618 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.6 · 380 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.7 · 5,000 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.22 (0.06 to 0.38) · 15,965 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.2 (0.05 to 0.35) · 17,859 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.85 (0 to 1.83) · 4,184 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2 (1.1 to 2.9) · 6,516 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.35 (4.49 to 10.21) · 3,989 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5 (3.22 to 6.77) · 4,087 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.95 (0.74 to 3.15) · 2,034 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.95 (0.63 to 1.28) · 15,431 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 399 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.899No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.689No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.224No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16 · 156 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20 · 564 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits60.3 · 160 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-9.7 · 550 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits44.1 · 660 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.8 · 667 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.7 (4.8 to 6.7) · 2,019 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits6 · 421 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.5 · 53 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20 · 107 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.9 (11.3 to 17.1) · 3,247 casesNo differentJan 2022 – Dec 2024

What patients said (3,181 patients answered, 25% of those asked)

Patient survey stars by topic at UCSF Medical Center
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at UCSF Medical Center
Room was "always" clean71%
Nurses "always" communicated well80%
Doctors "always" communicated well80%
Staff "always" explained61%
Yes, staff "did" give patients this information88%
Yes, staff "did" give patients information about help after discharge87%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully78%
Doctors "always" treated them with courtesy and respect86%
Patients who gave a rating of "9" or "10" (high)76%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully78%
Nurses "always" treated them with courtesy and respect86%
"Always" quiet at night50%
"YES", patients would definitely recommend the hospital81%
Staff "always" explained possible side effects46%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$8,642

Medicare paid this office $8,642 for 147 people.

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

Largest Original Medicare bills
Short return visit (20+ min)83$4,194$48
Return visit (30+ min)42$2,163$51

Who their Medicare patients are

147 Original Medicare patients in 2024. Average age 73 · Under 65 10% · 85 and older 12% · Women 65% · Also on Medicaid 25% · Health risk score 1.02. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.

Conditions among them: High blood pressure 52% · Chronic kidney disease 18% · Depression 18% · Cancer 17% · Diabetes 14% · Coronary heart disease 14% · Atrial fibrillation 10% · Heart failure 9%.

The office billed $70,659, Medicare allowed $12,017 and paid $8,642; for 169 services of 12 kinds.

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
2024147169731.02$70,659$8,642
2023327389741.54$209,424$26,950
2022254292721.39$138,006$16,499
2021204240701.28$104,113$14,153
2020169189721.45$80,980$7,715
2019151176681.67$50,028$9,016
201879101631.70$11,613$4,995
2017139322691.16$80,848$14,209
2016144254691.15$66,484$10,263
2015169310711.08$67,539$13,351

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: 4 services

Original Medicare services billed in 2023
Return visit (30+ min)218$17,223$69
Long return visit (40+ min)33$3,539$104
Short return visit (20+ min)59$2,808$45
Telephone medical discussion with physician, 21-30 minutes25$1,571$63

2022: 4 services

Original Medicare services billed in 2022
Return visit (30+ min)97$6,728$63
Short return visit (20+ min)127$5,567$42
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit11$1,815$165
Telephone medical discussion with physician, 11-20 minutes19$672$35

2021: 4 services

Original Medicare services billed in 2021
Return visit (30+ min)79$5,519$66
Short return visit (20+ min)86$4,401$47
Telephone medical discussion with physician, 21-30 minutes14$1,088$78
Telephone medical discussion with physician, 11-20 minutes21$1,064$48

2020: 4 services

Original Medicare services billed in 2020
Return visit (30+ min)64$3,034$45
Short return visit (20+ min)74$2,681$35
Telephone medical discussion with physician, 21-30 minutes13$805$62
Telephone medical discussion with physician, 11-20 minutes17$683$36

2019: 2 services

Original Medicare services billed in 2019
Return visit (30+ min)114$7,011$56
Short return visit (20+ min)41$1,562$36

2018: 2 services

Original Medicare services billed in 2018
Return visit (30+ min)56$3,671$56
Short return visit (20+ min)27$891$30

2017: 5 services

Original Medicare services billed in 2017
Short return visit (20+ min)104$6,321$40
Return visit (30+ min)58$5,311$69
Influenza vaccine split virus, preservative free15$708$47
Administration of influenza virus vaccine17$456$27
Urinalysis, manual test15$55$3

2016: 3 services

Original Medicare services billed in 2016
Short return visit (20+ min)94$4,579$38
Return visit (30+ min)64$3,240$48
Urinalysis, manual test12$44$3

2015: 5 services

Original Medicare services billed in 2015
Short return visit (20+ min)147$9,393$48
Return visit (30+ min)21$1,660$75
Administration of influenza virus vaccine14$372$27
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage13$231$18
Urinalysis, manual test27$92$3

Drugs they prescribed that Part D paid

$24,678

Pharmacies billed $24,678 in 2024.

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

340 generic and fewer than 11 brand-name prescriptions · $24,678 in drug cost · 56 antibiotic prescriptions to 55 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.

Largest Part D drug costs
Paxlovid31$2,859$92
Atorvastatin36$477$13
Fluticasone Propionate16$257$16
Albuterol Sulfate Hfa14$229$16
Rosuvastatin14$182$13
See all 8 drugs
Every Part D drug this clinician prescribed
Paxlovid31$2,859$92
Atorvastatin36$477$13
Fluticasone Propionate16$257$16
Albuterol Sulfate Hfa14$229$16
Rosuvastatin14$182$13
Nitrofurantoin Mono-Macro23$175$8
Pantoprazole14$69$5
Amoxicillin-Clavulanate Potass11$64$6

Year by year

Part D prescribing by year
2024425218NoneNone$24,678
20239854107% (71)11%$142,155
20229454107% (61)10%$84,261
20218223375% (37)None$75,762
20208703925% (41)None$83,104
2019607199NoneNone$136,638
20186962182% (11)None$122,535
20171,3722868% (106)None$39,058
20161,5333044% (57)None$47,701
20156542573% (22)None$21,060

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

See the drugs prescribed each year

2023: 19 drugs

Part D drugs prescribed in 2023
Eliquis15$19,760$1,317
Atorvastatin82$1,633$20
Hydrocodone-Acetaminophen35$1,491$43
Gabapentin29$936$32
Rosuvastatin18$933$52
Levothyroxine36$725$20
Fluticasone Propionate26$666$26
Amlodipine Besylate41$554$14
Benazepril18$479$27
Losartan29$411$14
Diclofenac14$401$29
Albuterol Sulfate Hfa14$374$27
Paxlovid (Eua)33$349$11
Oxycodone19$344$18
Pantoprazole14$333$24
Lisinopril20$309$15
Metformin15$261$17
Tamsulosin11$246$22
Hydrochlorothiazide12$68$6

2022: 28 drugs

Part D drugs prescribed in 2022
Albuterol Sulfate Hfa12$1,319$110
Gabapentin32$1,108$35
Lidocaine13$1,086$84
Diclofenac16$1,077$67
Hydrocodone-Acetaminophen25$973$39
Atorvastatin68$764$11
Rosuvastatin18$675$38
Oxycodone23$637$28
Metoprolol22$492$22
Losartan21$454$22
Levothyroxine23$453$20
Fluticasone Propionate23$407$18
Amlodipine Besylate36$347$10
Omeprazole15$336$22
Tamsulosin11$308$28
Ezetimibe12$308$26
Benazepril17$291$17
Trazodone19$254$13
Famotidine13$242$19
Simvastatin15$175$12
Metformin17$161$9
Triamcinolone Acetonide18$146$8
Lisinopril15$133$9
Paxlovid (Eua)12$124$10
Cephalexin16$115$7
Meloxicam11$96$9
Escitalopram11$72$7
Hydrochlorothiazide11$63$6

2021: 23 drugs

Part D drugs prescribed in 2021
Xarelto13$9,845$757
Albuterol Sulfate Hfa18$1,221$68
Atorvastatin56$877$16
Omeprazole30$837$28
Gabapentin20$732$37
Levothyroxine31$725$23
Rosuvastatin11$643$58
Hydrocodone-Acetaminophen18$549$30
Fluticasone Propionate19$522$27
Metoprolol15$397$26
Ondansetron12$367$31
Amlodipine Besylate27$303$11
Tamsulosin18$250$14
Trazodone17$216$13
Losartan11$199$18
Simvastatin17$195$11
Allopurinol12$194$16
Lorazepam14$162$12
Hydrochlorothiazide17$122$7
Lisinopril25$120$5
Donepezil11$91$8
Montelukast13$91$7
Metformin15$76$5

2020: 19 drugs

Part D drugs prescribed in 2020
Atorvastatin77$1,521$20
Levothyroxine36$910$25
Albuterol Sulfate Hfa16$828$52
Rosuvastatin13$775$60
Metoprolol15$696$46
Fluticasone Propionate29$555$19
Omeprazole38$548$14
Losartan26$423$16
Gabapentin18$414$23
Tamsulosin14$380$27
Amlodipine Besylate46$338$7
Famotidine12$335$28
Hydrocodone-Acetaminophen14$274$20
Metformin24$258$11
Triamcinolone Acetonide12$195$16
Pantoprazole12$186$15
Allopurinol15$165$11
Simvastatin12$112$9
Hydrochlorothiazide15$109$7

2019: 14 drugs

Part D drugs prescribed in 2019
Linzess57$24,701$433
Xifaxan11$18,696$1,700
Motegrity28$12,685$453
Lyrica22$12,273$558
Mesalamine11$7,816$711
Gabapentin52$1,120$22
Baclofen19$493$26
Omeprazole14$436$31
Cyproheptadine13$282$22
Esomeprazole Magnesium13$231$18
Mirtazapine19$185$10
Dicyclomine12$159$13
Ranitidine11$134$12
Pantoprazole19$75$4

2018: 16 drugs

Part D drugs prescribed in 2018
Xifaxan18$31,252$1,736
Linzess33$15,288$463
Lyrica19$9,868$519
Trulance19$7,554$398
Amitiza13$7,063$543
Carafate15$3,382$225
Metoprolol14$737$53
Gabapentin45$534$12
Baclofen21$314$15
Levothyroxine15$257$17
Atorvastatin17$206$12
Amlodipine Besylate14$179$13
Lisinopril19$140$7
Trazodone13$127$10
Simvastatin18$106$6
Pantoprazole15$76$5

2017: 28 drugs

Part D drugs prescribed in 2017
Metoprolol50$1,861$37
Hydrocodone-Acetaminophen66$1,277$19
Levothyroxine56$981$18
Oxycodone-Acetaminophen21$910$43
Atorvastatin51$771$15
Ventolin Hfa14$750$54
Diltiazem 24hr Er15$639$43
Lisinopril94$534$6
Fluticasone Propionate35$493$14
Gabapentin41$489$12
Divalproex11$337$31
Losartan48$299$6
Simvastatin34$281$8
Cefuroxime11$273$25
Trazodone29$247$9
Diclofenac17$240$14
Atenolol41$226$6
Amlodipine Besylate46$225$5
Montelukast22$217$10
Metformin39$213$5
Escitalopram31$174$6
Paroxetine12$146$12
Omeprazole19$142$7
Hydrochlorothiazide25$139$6
Sertraline15$122$8
Lorazepam27$75$3
Ranitidine14$71$5
Allopurinol12$67$6

2016: 38 drugs

Part D drugs prescribed in 2016
Advair Diskus12$6,035$503
Valsartan24$2,268$95
Metoprolol34$1,512$44
Levothyroxine61$1,219$20
Ventolin Hfa18$955$53
Hydrocodone-Acetaminophen34$827$24
Proair Hfa11$805$73
Lisinopril127$718$6
Pravastatin38$600$16
Fluticasone Propionate45$537$12
Finasteride20$510$26
Fluoxetine20$457$23
Omeprazole53$425$8
Gabapentin33$402$12
Metformin81$398$5
Simvastatin36$381$11
Potassium Chloride15$348$23
Losartan54$329$6
Amlodipine Besylate64$311$5
Atorvastatin23$311$14
Dasetta13$288$22
Lovastatin35$284$8
Atenolol59$283$5
Triamterene-Hydrochlorothiazid11$264$24
Tamsulosin16$261$16
Cartia Xt13$201$15
Benazepril21$193$9
Trazodone27$188$7
Glimepiride27$160$6
Donepezil16$154$10
Hydrochlorothiazide32$122$4
Allopurinol14$109$8
Furosemide15$93$6
Ranitidine22$93$4
Naproxen13$88$7
Metoprolol19$77$4
Carvedilol15$69$5
Sertraline12$59$5

2015: 11 drugs

Part D drugs prescribed in 2015
Triamcinolone Acetonide16$892$56
Lisinopril53$343$6
Levothyroxine20$330$16
Hydrocodone-Acetaminophen13$292$22
Fluticasone Propionate23$258$11
Losartan38$232$6
Metformin32$164$5
Gabapentin13$150$12
Omeprazole20$146$7
Simvastatin19$108$6
Amlodipine Besylate28$86$3

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
76.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1306253315
Licence
CA 95000747
Group
Stanford Health Care · University of California San Francisco
Video visits
Lists video visits
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Nurse practitioner (363L00000X); Federal specialty code 363LF0000X (363LF0000X)
Mailing address
900 Blake Wilbur Dr, Ground Fl Mc 5355, Stanford, CA, 94305
NPI first listed
2014-07-22
NPI last updated
2018-09-25

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