Geoffrey D Abrams, MD
Sports Medicine · Stanford
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 10
- 2 carriers
- Offices
- 4
Offices
4 locations · Stanford Health Care · David B. Hammer
Hospitals listed: Stanford Health Care. That is not proof they admit you there this week.
Plans that list them
10 plans · 2 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Abrams’s office at (650) 723-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
10 of 10 plans
| 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 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence A105050 · Current
Licensed to practise in California · since 2008 · expires 2028-05-31 · University of California, San Diego School of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
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.
- Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend itOverall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care
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: 2 better, 5 the same, 4 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 5.31 (4.24 to 6.37) · 8,661 cases | Worse | Jul 2022 – Jun 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 14.1 (12.7 to 15.7) · 2,191 cases | Worse | Jan 2024 – Dec 2024 |
| Postoperative respiratory failure rateComplications and deaths | 4.08 (1.95 to 6.21) · 5,296 cases | Better | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.317 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.446 | Better | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.241 | Better | Oct 2024 – Sep 2025 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.7 (0.6 to 0.9) · 3,348 cases | Better | Jan 2024 – Dec 2024 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.06 (0.45 to 1.67) · 5,374 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.86 (0.72 to 1) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 166.09 (137.88 to 194.3) · 470 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.1 · 192 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6.4 · 146 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 9.7 · 253 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 6.3 · 880 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 10.3 · 935 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.7 · 501 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.1 · 7,730 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.13 (0 to 0.27) · 20,799 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.28 (0.14 to 0.43) · 23,182 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 0.94 (0.2 to 1.68) · 5,694 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.36 (1.54 to 3.19) · 7,846 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.2 (3.76 to 6.64) · 5,603 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.38 (0.23 to 2.53) · 2,211 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.52 (0.21 to 0.83) · 19,915 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.6 · 416 cases | None | Apr 2023 – Mar 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.869 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.857 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0.368 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 16.2 · 247 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 20.5 · 1,021 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 47.8 · 258 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -1.6 · 990 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 20.8 · 976 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.5 · 959 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.2 (4.4 to 6.2) · 2,191 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.1 · 425 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 9.6 · 158 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.6 · 183 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.7 (10.4 to 15.4) · 4,578 cases | No different | Jan 2022 – Dec 2024 |
What patients said (6,810 patients answered, 25% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 2 |
| Recommend hospital | 5 |
| Room was "always" clean | 75% |
| Nurses "always" communicated well | 82% |
| Doctors "always" communicated well | 81% |
| Staff "always" explained | 63% |
| Yes, staff "did" give patients this information | 89% |
| Yes, staff "did" give patients information about help after discharge | 89% |
| Doctors "always" explained things so they could understand | 76% |
| Doctors "always" listened carefully | 80% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 79% |
| Staff "always" explained new medications | 76% |
| Nurses "always" explained things so they could understand | 77% |
| Nurses "always" listened carefully | 79% |
| Nurses "always" treated them with courtesy and respect | 88% |
| "Always" quiet at night | 53% |
| "YES", patients would definitely recommend the hospital | 83% |
| Staff "always" explained possible side effects | 50% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
Original Medicare doctor bills
$122,055
Medicare paid this office $122,055 for 336 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Prosthetic repair of shoulder joint, total shoulder | 32 | $43,307 | $1,312 |
| Short return visit (20+ min) | 162 | $11,387 | $56 |
| New patient visit (45+ min) | 67 | $7,452 | $111 |
| New patient visit (30+ min) | 94 | $6,420 | $68 |
| Return visit (30+ min) | 62 | $5,429 | $82 |
See all 7 services
| Prosthetic repair of shoulder joint, total shoulder | 32 | $43,307 | $1,312 |
| Short return visit (20+ min) | 162 | $11,387 | $56 |
| New patient visit (45+ min) | 67 | $7,452 | $111 |
| New patient visit (30+ min) | 94 | $6,420 | $68 |
| Return visit (30+ min) | 62 | $5,429 | $82 |
| Shaving of part of shoulder bone and repair of ligament using an endoscope | 12 | $1,782 | $149 |
| Aspiration and/or injection of fluid from large joint | 19 | $846 | $42 |
Procedures Medicare counted
| Lower limb (leg) arthroscopy (minimally invasive joint repair) | 1-10 | None |
| Upper limb (arm) arthroscopy (minimally invasive joint repair) | 46 | More than 84% of doctors who do this |
Who their Medicare patients are
336 Original Medicare patients in 2024. Average age 72 · Under 65 11% · 85 and older 7% · Women 49% · Also on Medicaid 22% · Health risk score 1.15. Above the middle of the specialty; the typical sports medicine clinician is at 1.05.
Conditions among them: High blood pressure 67% · Coronary heart disease 25% · Depression 24% · Diabetes 23% · Atrial fibrillation 17% · Chronic kidney disease 15% · Cancer 15% · COPD 13% · Heart failure 11% · Stroke 5%.
The office billed $678,813, Medicare allowed $156,583 and paid $122,055; for 570 services of 34 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 | 336 | 570 | 72 | 1.15 | $678,813 | $122,055 |
| 2023 | 272 | 504 | 72 | 1.16 | $663,518 | $110,094 |
| 2022 | 277 | 474 | 71 | 1.08 | $571,452 | $95,288 |
| 2021 | 259 | 459 | 72 | 1.31 | $443,777 | $81,189 |
| 2020 | 228 | 419 | 71 | 1.32 | $461,379 | $74,793 |
| 2019 | 141 | 252 | 72 | 1.41 | $284,442 | $44,797 |
| 2018 | 58 | 113 | 72 | 1.17 | $137,164 | $19,365 |
| 2017 | 45 | 88 | 74 | 1.30 | $98,446 | $15,591 |
| 2016 | 37 | 65 | 75 | 1.39 | $72,190 | $12,489 |
| 2015 | 19 | 46 | 73 | 1.13 | $73,369 | $10,592 |
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: 6 services
| Prosthetic repair of shoulder joint, total shoulder | 33 | $43,739 | $1,325 |
| Short return visit (20+ min) | 156 | $11,263 | $56 |
| Return visit (30+ min) | 48 | $4,718 | $86 |
| New patient visit (30+ min) | 68 | $4,461 | $66 |
| New patient visit (45+ min) | 37 | $4,107 | $111 |
| Aspiration and/or injection of fluid from large joint | 17 | $652 | $36 |
2022: 6 services
| Prosthetic repair of shoulder joint, total shoulder | 30 | $39,524 | $1,317 |
| Short return visit (20+ min) | 142 | $9,983 | $54 |
| New patient visit (30+ min) | 92 | $6,215 | $68 |
| New patient visit (45+ min) | 44 | $4,421 | $100 |
| Return visit (30+ min) | 31 | $2,495 | $80 |
| Aspiration and/or injection of fluid from large joint | 20 | $693 | $33 |
2021: 6 services
| Prosthetic repair of shoulder joint, total shoulder | 22 | $30,051 | $1,366 |
| Short return visit (20+ min) | 145 | $11,081 | $55 |
| New patient visit (30+ min) | 87 | $5,666 | $65 |
| Return visit (30+ min) | 41 | $3,508 | $86 |
| New patient visit (45+ min) | 22 | $2,595 | $118 |
| Aspiration and/or injection of fluid from large joint | 25 | $1,222 | $44 |
2020: 6 services
| Prosthetic repair of shoulder joint, total shoulder | 19 | $25,124 | $1,322 |
| Short return visit (20+ min) | 119 | $6,950 | $44 |
| New patient visit (30+ min) | 91 | $5,456 | $60 |
| Return visit (30+ min) | 24 | $1,511 | $63 |
| Aspiration and/or injection of fluid from large joint | 26 | $1,212 | $42 |
| Short return visit | 21 | $492 | $21 |
2019: 4 services
| New patient visit (30+ min) | 55 | $3,633 | $66 |
| Short return visit (20+ min) | 63 | $3,334 | $42 |
| Return visit (30+ min) | 29 | $1,810 | $62 |
| Aspiration and/or injection of fluid from large joint | 11 | $414 | $38 |
2018: 2 services
| Short return visit (20+ min) | 31 | $2,006 | $45 |
| New patient visit (30+ min) | 16 | $929 | $58 |
2017: 1 service
| Short return visit (20+ min) | 23 | $1,226 | $40 |
2016: 2 services
| Short return visit (20+ min) | 18 | $915 | $40 |
| New patient visit (30+ min) | 11 | $662 | $60 |
2015: 1 service
| Short return visit (20+ min) | 11 | $592 | $46 |
Medicaid work
$2,556 in 2024
Medicaid paid $2,556 for 57 billed services this clinician did in 2024, up to 15 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.
| Short return visit (20+ min) | 57 | $2,556 |
| 2024 | 57 | 1 | 15 | $2,556 |
| 2023 | 75 | 1 | 19 | $1,893 |
| 2022 | 39 | 1 | 14 | $930 |
| 2021 | 28 | 1 | 15 | $493 |
| 2020 | 14 | 1 | 14 | $207 |
See the largest Medicaid services in earlier years
2023
| Short return visit (20+ min) | 75 | $1,893 |
2022
| Short return visit (20+ min) | 39 | $930 |
2021
| Short return visit (20+ min) | 28 | $493 |
2020
| Short return visit (20+ min) | 14 | $207 |
Money from drug and device companies
$15 in 2025
| 2025 | 1 | 1 | None | $15 |
| 2024 | 1 | 2 | None | $601 |
| 2023 | 2 | 9 | None | $1,329 |
| 2022 | 3 | 31 | $13,738 | $18,584 |
| 2021 | 2 | 3 | $1,400 | $2,618 |
| 2020 | 2 | 6 | None | $1,362 |
| 2019 | 5 | 7 | None | $3,307 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Evolution Surgical | None | $15 | 1 payment
|
See the published payment
| Evolution Surgical | Meals · 2025-04-26 | None | $15 |
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $601
| Evolution Surgical | None | $601 | 2 payments
|
2023: $1,329
| Evolution Surgical | None | $1,218 | 7 payments
|
| Arthrex | Arthrex | $112 | 2 payments
|
2022: $18,584
| Bioventus | Vector Base | $16,129 | 25 payments
|
| Evolution Surgical | None | $2,433 | 5 payments
|
| Arthrex | Arthroplasty Implants Revers Total Shoulder Modular Glenoid Systems | $23 | 1 payment
|
2021: $2,618
| Bioventus | None | $1,400 | 1 payment
|
| Evolution Surgical | None | $1,218 | 2 payments
|
2020: $1,362
| Evolution Surgical | None | $1,274 | 3 payments
|
| Aesculap Biologics | Novocart 3d | $88 | 3 payments
|
2019: $3,307
| Evolution Surgical | None | $3,053 | 3 payments
|
| Stryker | New Product Development | $164 | 1 payment
|
| DePuy Synthes Sales | Vivigen | $45 | 1 payment
|
| Djo | None | $23 | 1 payment
|
| Orthofix Medical | Physio-Stim Osteogenesis Stimulator | $22 | 1 payment
|
Research money
Money a company paid to run a study. Where it went to their institution, the clinician is named as an investigator and did not receive it; the amount covers the whole study, often across many sites.
| Orthofix Medical, Inc. · Cp-1604 Psrc - Prospective, Randomized, Double-Blind, Placebo Controlled Study To Evaluate the Safety and Efficacy of Pulsed Electromagnetic Field (Pemf) Therapy As An Adjunctive Treatment To Surgical Repair of Full Thickness Rotator Cuff Tears · 2023 | Their institution | $128,190 |
| Orthofix Medical, Inc. · Cp-1604 Psrc · 2020 | This clinician | $78,068 |
| EXACTECH, INC. · Equinoxe · 2021 | This clinician | $54,170 |
| Orthofix Medical, Inc. · Pemf As Adjunctive Treatment Following Surgical Repair of Full Thickness Rotator Cuff Tears · 2021 | This clinician | $53,760 |
| EXACTECH, INC. · Equinoxe · 2022 | This clinician | $44,115 |
| EXACTECH, INC. · Equinoxe · 2023 | Their institution | $30,036 |
| EXACTECH, INC. · Equinoxe · 2021 | Their institution | $22,670 |
| Orthofix Medical, Inc. · Cp-1604 Psrc - Prospective, Randomized, Double-Blind, Placebo Controlled Study To Evaluate the Safety and Efficacy of Pulsed Electromagnetic Field (Pemf) Therapy As An Adjunctive Treatment To Surgical · 2022 | Their institution | $18,755 |
| Smith+Nephew, Inc. · Prospective, Multi-Center, Post-Market Clinical Follow-Up Study To Evaluate Safety and Performance of the Healicoil Knotless Suture Anchor in Shoulder Rotator Cuff Tendon Repair · 2023 | Their institution | $17,217 |
| Smith+Nephew, Inc. · Prospective, Multi-Center, Post-Market Clinical Follow-Up Study To Evaluate Safety and Performance of the Healicoil Knotless Suture Anchor in Shoulder Rotator Cuff Tendon Repair · 2022 | Their institution | $16,114 |
| Orthofix Medical, Inc. · Psrc · 2019 | This clinician | $15,846 |
| EXACTECH, INC. · Equinoxe · 2022 | Their institution | $9,345 |
| EXACTECH, INC. · Cr09-005 Equinoxe Pmcf · 2025 | Their institution | $9,090 |
| Smith+Nephew, Inc. · Prospective, Multi-Center, Post-Market Clinical Follow-Up Study To Evaluate Safety and Performance of the Healicoil Knotless Suture Anchor in Shoulder Rotator Cuff Tendon Repair · 2024 | Their institution | $7,951 |
| EXACTECH, INC. · Cr09-005 Equinoxe Pmcf · 2024 | Their institution | $5,940 |
| Smith+Nephew, Inc. · Prospective, Multi-Center, Post-Market Clinical Follow-Up Study To Evaluate Safety and Performance of the Healicoil Knotless Suture Anchor in Shoulder Rotator Cuff Tendon Repair · 2025 | Their institution | $5,816 |
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
- 1285821223
- Licence
- CA A105050California A105050: Current · expires 2028-05-31
- Trained
- University of California, San Diego School of Medicine, 2007
- Group
- Stanford Health Care · David B. Hammer
- Video visits
- Lists video visits
- Gender
- Male
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 207XX0005X (207XX0005X)
- Mailing address
- 300 Pasteur Dr, Stanford Orthopaedic Surgery Rm R144, Stanford, CA, 94305
- NPI first listed
- 2007-10-03
- NPI last updated
- 2024-05-06
- NPI record certified
- 2024-05-06
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 300 Pasteur Dr, Stanford, CA, 94305