Mary M O Neill, MD
Obstetrics/Gynecology · Campbell
- Medicare standing
- 2 flags on the record
- Listed below.
- Plans that list them
- 25
- 7 carriers
- Office
- 1
On the public record
- California licence: Current
- 1 Medical Board action on record
Offices
1 location
Looking this up.
Hospitals listed: Good Samaritan Hospital. That is not proof they admit you there this week.
Plans that list them
25 plans · 7 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Neill’s office at (408) 583-0522 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
25 of 25 plans
| Advantage Care (HMO) | Align Senior Care | Listed | Oct 1, 2026 |
| Premier Care (HMO I-SNP) | Align Senior Care | Listed | Oct 1, 2026 |
| Senior Care (HMO I-SNP) | Align Senior Care | Listed | Oct 1, 2026 |
| Alignment Health Advantage PPO (PPO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health BreathEasy (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Clarity (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Harmony (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes CalPlus (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes Care (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Heart & Diabetes Choice (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Honor+ Plan (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health My Choice CalCare (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Silicon (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health smartHMO (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health the ONE (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Anthem Medicare Advantage (HMO-POS) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| Astiva Health C-SNP WOW - NorCal (HMO C-SNP) | Astiva Health | Listed | Sep 27, 2026 |
| Astiva Health Premier Plan - NorCal (HMO) | Astiva Health | Listed | Sep 27, 2026 |
| Astiva Health Savings Plan - NorCal (HMO) | Astiva Health | Listed | Sep 27, 2026 |
| Blue Shield Inspire (HMO) | Blue Shield of California | Listed | Aug 26, 2026 |
| Imperial Courage Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Dynamic Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Senior Value (HMO C-SNP) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence G69694 · Current
Licensed to practise in California · since 1990 · expires 2028-08-31 · Creighton University School of Medicine. Board flags: Admin Action By Other State/Fed Gov'T.
Public record actions
| 2009-11-18 | Action in another state or by a federal agencyDiscipline | Suspension of new york medical license - agrees to never register or activate her new york medical license. based on action taken by the medical board of california. · Ny state board for professional med conduct |
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.
- Good Samaritan HospitalSan Jose, CAAcute Care Hospital · Proprietary · Has an emergency department · Birthing-friendlyPart of HCA Healthcare, which runs 185 hospitals in 19 statesPatients rate it 2 of 5 · 67% would definitely recommend itOverall rating: 2 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.337, Oct 2024 – Sep 2025
See every measure and the patient survey for Good Samaritan Hospital
Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 1 better, 6 the same, 1 worse of 8 measures. Readmissions: 0 better, 5 the same, 4 worse of 9 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Clostridium Difficile (C.Diff)Infections | 0.337 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.75 (0 to 1.67) · 1,340 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.84 (0.54 to 1.14) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 143.59 (98.7 to 188.49) · 98 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.7 · 45 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.1 · 100 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 12.7 · 270 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 11.3 · 573 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.6 · 820 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.5 · 482 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.3 · 3,711 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.12 (0 to 0.3) · 8,866 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.2 (0.01 to 0.38) · 9,051 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 2.65 (0.74 to 4.56) · 1,929 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.8 (0.21 to 3.39) · 670 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.33 (0.88 to 3.78) · 1,836 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 6.73 (0 to 13.46) · 669 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 7.58 (3.96 to 11.19) · 654 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.59 (0.13 to 3.04) · 496 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.27 (0 to 0.87) · 7,373 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 4.1 · 152 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 1.08 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.542 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.484 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.565 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15.8 · 327 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 24.2 · 703 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 61.1 · 289 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 36.3 · 665 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 25.4 · 856 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 19 · 978 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6.3 · 144 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 12.3 · 46 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 21.2 · 135 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.8 (10.1 to 18.6) · 129 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.2 (0.9 to 1.5) · 531 cases | No different | Jan 2024 – Dec 2024 |
What patients said (704 patients answered, 24% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 2 |
| Quietness | 1 |
| Recommend hospital | 3 |
| Room was "always" clean | 66% |
| Nurses "always" communicated well | 75% |
| Doctors "always" communicated well | 71% |
| Staff "always" explained | 54% |
| Yes, staff "did" give patients this information | 83% |
| Yes, staff "did" give patients information about help after discharge | 81% |
| Doctors "always" explained things so they could understand | 66% |
| Doctors "always" listened carefully | 69% |
| Doctors "always" treated them with courtesy and respect | 78% |
| Patients who gave a rating of "9" or "10" (high) | 63% |
| Staff "always" explained new medications | 68% |
| Nurses "always" explained things so they could understand | 69% |
| Nurses "always" listened carefully | 73% |
| Nurses "always" treated them with courtesy and respect | 82% |
| "Always" quiet at night | 38% |
| "YES", patients would definitely recommend the hospital | 67% |
| Staff "always" explained possible side effects | 40% |
| Yes, staff "did" give patients information about possible symptoms | 86% |
Original Medicare doctor bills
$22,217
Medicare paid this office $22,217 for 136 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Short return visit (20+ min) | 50 | $5,896 | $83 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 67 | $3,204 | $48 |
| Return visit (30+ min) | 19 | $2,151 | $113 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 16 | $921 | $58 |
| Limited ultrasound scan of pelvis | 11 | $503 | $46 |
Procedures Medicare counted
| Removal of skin lesions | 1-10 | None |
| Removal of the uterus | 1-10 | None |
Who their Medicare patients are
136 Original Medicare patients in 2024. Average age 72 · Women 100% · Also on Medicaid 11% · Health risk score 0.73. At or below the middle of the specialty; the typical obstetrics & gynecology clinician is at 0.88.
Conditions among them: High blood pressure 65% · Diabetes 21% · Cancer 19% · Coronary heart disease 15% · Chronic kidney disease 14% · Depression 10%.
The office billed $196,847, Medicare allowed $27,658 and paid $22,217; for 269 services of 38 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
| 2024 | 136 | 269 | 72 | 0.73 | $196,847 | $22,217 |
| 2023 | 110 | 225 | 73 | 0.96 | $116,564 | $19,240 |
| 2022 | 116 | 209 | 73 | 0.71 | $64,485 | $20,039 |
| 2021 | 124 | 273 | 73 | 0.76 | $59,820 | $24,083 |
| 2020 | 93 | 202 | 75 | 0.89 | $46,580 | $16,414 |
| 2019 | 150 | 310 | 73 | 0.79 | $91,520 | $25,082 |
| 2018 | 133 | 303 | 72 | 0.87 | $68,535 | $20,679 |
| 2017 | 140 | 319 | 73 | 0.87 | $67,645 | $20,339 |
| 2016 | 127 | 298 | 71 | 0.81 | $58,575 | $18,702 |
| 2015 | 140 | 268 | 73 | 0.84 | $55,717 | $14,146 |
| 2014 | 116 | 178 | 72 | 0.75 | $51,057 | $10,072 |
| 2013 | 149 | 223 | 72 | 0.90 | $37,515 | $12,138 |
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
| Return visit (30+ min) | 56 | $6,090 | $107 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 72 | $3,441 | $48 |
| Short return visit (20+ min) | 26 | $3,159 | $75 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 14 | $782 | $56 |
2022: 5 services
| Return visit (30+ min) | 48 | $5,306 | $111 |
| Short return visit (20+ min) | 29 | $3,769 | $79 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 15 | $2,360 | $157 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 44 | $2,105 | $48 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 13 | $714 | $55 |
2021: 5 services
| Return visit (30+ min) | 86 | $9,636 | $112 |
| Short return visit (20+ min) | 31 | $4,292 | $81 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 76 | $3,684 | $48 |
| New patient visit (45+ min) | 13 | $2,092 | $161 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 15 | $836 | $56 |
2020: 3 services
| Return visit (30+ min) | 65 | $6,718 | $102 |
| Short return visit (20+ min) | 27 | $3,277 | $66 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 46 | $2,217 | $48 |
2019: 4 services
| Return visit (30+ min) | 108 | $10,119 | $93 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 94 | $4,379 | $47 |
| Short return visit (20+ min) | 29 | $2,641 | $55 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 14 | $755 | $54 |
2018: 4 services
| Return visit (30+ min) | 103 | $9,103 | $85 |
| Short return visit (20+ min) | 34 | $3,901 | $57 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 75 | $3,219 | $43 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 12 | $624 | $52 |
2017: 4 services
| Short return visit (20+ min) | 91 | $7,138 | $54 |
| Return visit (30+ min) | 42 | $3,722 | $89 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 86 | $3,680 | $43 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 16 | $828 | $52 |
2016: 6 services
| Short return visit (20+ min) | 90 | $6,973 | $61 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 76 | $3,308 | $44 |
| Return visit (30+ min) | 30 | $2,615 | $84 |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 11 | $1,315 | $120 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 19 | $1,010 | $53 |
| Short return visit | 11 | $558 | $37 |
2015: 4 services
| Short return visit (20+ min) | 54 | $5,058 | $62 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 92 | $4,070 | $44 |
| Short return visit | 44 | $1,898 | $39 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 18 | $917 | $51 |
2014: 3 services
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 81 | $3,639 | $45 |
| Short return visit (20+ min) | 36 | $2,589 | $60 |
| Short return visit | 18 | $913 | $38 |
2013: 4 services
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 99 | $4,505 | $46 |
| Short return visit (20+ min) | 34 | $2,704 | $59 |
| Short return visit | 28 | $1,134 | $37 |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 11 | $876 | $67 |
Drugs they prescribed that Part D paid
$8,251
Pharmacies billed $8,251 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 127) in 2024. At or below the middle of the specialty; the typical obstetrics & gynecology clinician is at 0%.
109 generic and 18 brand-name prescriptions · $8,251 in drug cost · 15 antibiotic prescriptions to 12 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.
| Estradiol | 38 | $1,589 | $42 |
| Progesterone | 16 | $603 | $38 |
Year by year
| 2024 | 127 | 52 | 0% (0) | 14% | $8,251 |
| 2023 | 92 | 49 | 0% (0) | 16% | $10,864 |
| 2022 | 93 | 41 | 0% (0) | None | $4,595 |
| 2021 | 83 | 42 | 0% (0) | None | $6,088 |
| 2020 | 76 | 34 | 0% (0) | 14% | $6,858 |
| 2019 | 84 | 40 | None | 14% | $9,153 |
| 2018 | 99 | 42 | 0% (0) | 26% | $12,783 |
| 2017 | 143 | 49 | None | 34% | $21,144 |
| 2016 | 140 | 49 | None | 31% | $15,520 |
| 2015 | 166 | 49 | 0% (0) | 33% | $15,330 |
| 2014 | 170 | 56 | 0% (0) | 38% | $15,567 |
| 2013 | 189 | 67 | None | 46% | $16,374 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 1 drug
| Estradiol | 28 | $2,870 | $102 |
2022: 1 drug
| Estradiol | 17 | $1,356 | $80 |
2021: 1 drug
| Estradiol | 27 | $2,929 | $108 |
2020: 1 drug
| Estradiol | 13 | $2,146 | $165 |
2019: 1 drug
| Estradiol | 23 | $3,492 | $152 |
2018: 2 drugs
| Estradiol | 22 | $2,771 | $126 |
| Sulfamethoxazole-Trimethoprim | 14 | $40 | $3 |
2017: 4 drugs
| Estrace | 18 | $4,967 | $276 |
| Premarin | 11 | $3,767 | $342 |
| Estradiol | 21 | $1,752 | $83 |
| Paroxetine | 19 | $327 | $17 |
2016: 4 drugs
| Estrace | 17 | $4,884 | $287 |
| Estradiol | 20 | $1,325 | $66 |
| Paroxetine | 19 | $344 | $18 |
| Sulfamethoxazole-Trimethoprim | 12 | $40 | $3 |
2015: 3 drugs
| Vagifem | 12 | $3,005 | $250 |
| Estradiol | 20 | $794 | $40 |
| Paroxetine | 11 | $197 | $18 |
2014: 5 drugs
| Premarin | 16 | $3,438 | $215 |
| Estrace | 20 | $3,377 | $169 |
| Vagifem | 14 | $1,945 | $139 |
| Estradiol | 16 | $551 | $34 |
| Medroxyprogesterone Acetate | 14 | $122 | $9 |
2013: 5 drugs
| Premarin | 36 | $5,591 | $155 |
| Estrace | 16 | $2,268 | $142 |
| Vagifem | 11 | $970 | $88 |
| Estradiol | 15 | $841 | $56 |
| Medroxyprogesterone Acetate | 20 | $207 | $10 |
Money from drug and device companies
$21 in 2025
| 2025 | 1 | 1 | None | $21 |
| 2024 | 2 | 2 | None | $109 |
| 2023 | 1 | 2 | None | $11 |
| 2019 | 1 | 1 | None | $125 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Sumitomo Pharma America | Gemtesa | $21 | 1 payment
|
See the published payment
| Sumitomo Pharma America | Meals · 2025-12-01 | Gemtesa | $21 |
See earlier years (2024, 2023, 2019)
2024: $109
| Astellas Pharma US | None | $90 | 1 payment
|
| Sumitomo Pharma America | Myfembree | $19 | 1 payment
|
2023: $11
| Mayne Pharma Commercial | None | $11 | 2 payments
|
2019: $125
| AbbVie | Orilissa | $125 | 1 payment
|
Professional record
- NPI
- 1215142419
- Licence
- CA G 69694California G69694: Current · expires 2028-08-31
- Trained
- Creighton University School of Medicine, 1985
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207V00000X (207V00000X); Federal specialty code 207VG0400X (207VG0400X); Federal specialty code 207VX0000X (207VX0000X)
- Mailing address
- 200 W Campbell Ave, Campbell, CA, 95008
- NPI first listed
- 2007-05-11
- NPI last updated
- 2020-03-17
- NPI record certified
- 2020-03-17
This is when the NPI record was last certified, not a medical board exam.