Spencer Frost, MD
Gastroenterology · Davis
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Offices
- 2
Offices
2 locations · Sutter Valley Medical Foundation · 2,473 clinicians in this group
Looking this up.
Hospitals listed: Sutter Davis Hospital · Sutter Medical Center, Sacramento. That is not proof they admit you there this week.
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. Frost’s office at (530) 747-0389 to ask if they take your plan before you enroll.
Hospitals they work in
2 hospitals
These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.
- Sutter Davis HospitalDavis, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 4 of 5 · 82% would definitely recommend itOverall rating: 4 of 5 starsNo measure marked better or worse than the national rate
- Sutter Medical Center, SacramentoSacramento, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 3 of 5 · 79% would definitely recommend itOverall rating: 4 of 5 starsWorse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 13.9 (12 to 15.9) · 992 cases, Jan 2024 – Dec 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.066, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.335, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.215, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.46, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.253, Oct 2024 – Sep 2025
See every measure and the patient survey for Sutter Davis Hospital
Behind the star rating — Deaths: 0 better, 5 the same, 0 worse of 5 measures. Safety: 1 better, 1 the same, 0 worse of 2 measures. Readmissions: 1 better, 7 the same, 0 worse of 8 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1 (0 to 2.07) · 247 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.88 (0.43 to 1.32) | No different | Jul 2022 – Jun 2024 |
| Death rate for COPD patientsComplications and deaths | 9.7 · 28 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 10.6 · 151 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 14.1 · 91 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.9 · 94 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.9 · 857 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.2 (0 to 0.43) · 1,791 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.26 (0.04 to 0.47) · 1,822 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.22 (0.68 to 5.75) · 179 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.27 (0.56 to 3.98) · 161 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.73 (0.21 to 3.25) · 41 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.37 (0 to 1.4) · 1,424 cases | No different | Jul 2022 – Jun 2024 |
| Clostridium Difficile (C.Diff)Infections | 0.351 | No different | Oct 2024 – Sep 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21 · 169 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 9.1 · 165 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -13 · 94 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.4 · 123 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 18.8 · 34 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.5 (9.6 to 16.4) · 878 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.1 (0.8 to 1.5) · 240 cases | No different | Jan 2024 – Dec 2024 |
What patients said (406 patients answered, 18% of those asked)
| Cleanliness | 4 |
| Nurse communication | 3 |
| Doctor communication | 4 |
| Communication about medicines | 4 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 3 |
| Recommend hospital | 5 |
| Room was "always" clean | 82% |
| Nurses "always" communicated well | 78% |
| Doctors "always" communicated well | 83% |
| Staff "always" explained | 66% |
| Yes, staff "did" give patients this information | 90% |
| Yes, staff "did" give patients information about help after discharge | 91% |
| Doctors "always" explained things so they could understand | 78% |
| Doctors "always" listened carefully | 82% |
| Doctors "always" treated them with courtesy and respect | 89% |
| Patients who gave a rating of "9" or "10" (high) | 80% |
| Staff "always" explained new medications | 77% |
| Nurses "always" explained things so they could understand | 74% |
| Nurses "always" listened carefully | 76% |
| Nurses "always" treated them with courtesy and respect | 85% |
| "Always" quiet at night | 55% |
| "YES", patients would definitely recommend the hospital | 82% |
| Staff "always" explained possible side effects | 55% |
| Yes, staff "did" give patients information about possible symptoms | 88% |
See every measure and the patient survey for Sutter Medical Center, Sacramento
Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 0 better, 9 the same, 2 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 13.9 (12 to 15.9) · 992 cases | Worse | Jan 2024 – Dec 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.066 | Better | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.335 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.215 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.46 | Better | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.253 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.12 (0.29 to 1.94) · 2,408 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.99 (0.78 to 1.2) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 166.68 (126.66 to 206.71) · 180 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2.4 · 292 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.7 · 143 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10.2 · 359 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 11.8 · 543 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.9 · 425 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.4 · 441 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3 · 5,216 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.11 (0 to 0.29) · 9,948 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.28 (0.1 to 0.45) · 10,968 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.04 (1.53 to 4.56) · 3,983 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.33 (0.2 to 2.46) · 2,033 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.78 (1.69 to 3.87) · 3,594 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 9.79 (6.29 to 13.29) · 2,100 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 6.62 (4.04 to 9.2) · 2,018 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.63 (0.29 to 2.98) · 867 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.54 (0.07 to 1.01) · 8,613 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.3 · 294 cases | None | Apr 2023 – Mar 2025 |
| SSI - Abdominal HysterectomyInfections | 0 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15.5 · 598 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 19.9 · 924 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 8.5 · 488 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -18.3 · 638 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 24.4 · 443 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17.7 · 600 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 4.9 (3.9 to 6.1) · 992 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.1 · 298 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 9 · 249 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.6 · 250 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 11.3 (8.7 to 14.6) · 1,326 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.8 to 1.3) · 934 cases | No different | Jan 2024 – Dec 2024 |
What patients said (700 patients answered, 20% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 3 |
| Communication about medicines | 3 |
| Discharge information | 3 |
| Overall hospital rating | 4 |
| Quietness | 2 |
| Recommend hospital | 5 |
| Room was "always" clean | 76% |
| Nurses "always" communicated well | 80% |
| Doctors "always" communicated well | 79% |
| Staff "always" explained | 61% |
| Yes, staff "did" give patients this information | 86% |
| Yes, staff "did" give patients information about help after discharge | 84% |
| Doctors "always" explained things so they could understand | 75% |
| Doctors "always" listened carefully | 77% |
| Doctors "always" treated them with courtesy and respect | 84% |
| Patients who gave a rating of "9" or "10" (high) | 79% |
| Staff "always" explained new medications | 75% |
| Nurses "always" explained things so they could understand | 75% |
| Nurses "always" listened carefully | 78% |
| Nurses "always" treated them with courtesy and respect | 86% |
| "Always" quiet at night | 49% |
| "YES", patients would definitely recommend the hospital | 79% |
| Staff "always" explained possible side effects | 47% |
| Yes, staff "did" give patients information about possible symptoms | 87% |
Original Medicare doctor bills
$25,391
Medicare paid this office $25,391 for 117 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 22 | $3,816 | $173 |
| Long return visit (40+ min) | 23 | $3,628 | $151 |
| Biopsy of large bowel using a flexible endoscope | 37 | $3,325 | $90 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 32 | $2,706 | $85 |
| Return visit (30+ min) | 18 | $2,049 | $108 |
See all 8 services
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 22 | $3,816 | $173 |
| Long return visit (40+ min) | 23 | $3,628 | $151 |
| Biopsy of large bowel using a flexible endoscope | 37 | $3,325 | $90 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 32 | $2,706 | $85 |
| Return visit (30+ min) | 18 | $2,049 | $108 |
| New patient visit (45+ min) | 13 | $1,813 | $139 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | 40 | $604 | $13 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 52 | $245 | $4 |
Procedures Medicare counted
| Colonoscopy | 160 | More than 90% of doctors who do this |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 115 | More than 80% of doctors who do this |
Who their Medicare patients are
117 Original Medicare patients in 2024. Average age 75 · Women 51% · Also on Medicaid 12% · Health risk score 1.13. At or below the middle of the specialty; the typical gastroenterology clinician is at 1.42.
Conditions among them: High blood pressure 56% · Coronary heart disease 22% · Atrial fibrillation 20% · Diabetes 19% · Chronic kidney disease 18% · Cancer 18% · Depression 18% · Heart failure 16% · COPD 14%.
The office billed $280,776, Medicare allowed $31,715 and paid $25,391; for 305 services of 31 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.
Drugs they prescribed that Part D paid
$36,026
Pharmacies billed $36,026 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 101) in 2024. At or below the middle of the specialty; the typical gastroenterology clinician is at 0%.
80 generic and 21 brand-name prescriptions · $36,026 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.
| Linzess | 12 | $8,309 | $692 |
| Sod Sulf-Potass Sulf-Mag Sulf | 20 | $1,324 | $66 |
| Peg 3350-Electrolyte | 17 | $431 | $25 |
| Omeprazole | 13 | $161 | $12 |
| Pantoprazole | 14 | $161 | $11 |
Year by year
| 2024 | 101 | 67 | 0% (0) | 21% | $36,026 |
| 2023 | 35 | 14 | None | 40% | $11,196 |
| 2022 | 44 | 17 | None | None | $3,301 |
| 2021 | 24 | 13 | None | None | $2,544 |
| 2020 | 14 | None | None | None | $462 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2022: 1 drug
| Pantoprazole | 20 | $100 | $5 |
Money from drug and device companies
$475 in 2025
| 2025 | 7 | 26 | None | $475 |
| 2024 | 5 | 10 | None | $183 |
| 2021 | 1 | 1 | None | $22 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Takeda Pharmaceuticals U.S.A. | Entyvio | $165 | 11 payments
|
| Janssen Biotech | Tremfya | $80 | 4 payments
|
| Ardelyx | Ibsrela | $62 | 4 payments
|
| Aimmune Therapeutics | Vowst | $61 | 3 payments
|
| Abbvie | Skyrizi | $41 | 2 payments
|
| Genzyme | Dupixent | $41 | 1 payment
|
See all 26 published payments
| Janssen Biotech | Meals · 2025-12-18 | Tremfya | $22 |
| Aimmune Therapeutics | Meals · 2025-12-17 | Vowst | $19 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-12-03 | Entyvio | $20 |
| Abbvie | Meals · 2025-11-06 | Skyrizi | $22 |
| Ardelyx | Meals · 2025-11-05 | Ibsrela | $14 |
| Aimmune Therapeutics | Meals · 2025-08-29 | Vowst | $21 |
| Aimmune Therapeutics | Meals · 2025-07-24 | Vowst | $22 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-07-17 | Entyvio | $2 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-07-17 | Entyvio | $33 |
| Ardelyx | Meals · 2025-07-17 | Ibsrela | $18 |
| Janssen Biotech | Meals · 2025-06-14 | Tremfya | $17 |
| Genzyme | Meals · 2025-05-23 | Dupixent | $41 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-05-21 | Entyvio | $7 |
| Abbvie | Meals · 2025-05-13 | Rinvoq | $20 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-05-09 | Entyvio | $20 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-04-11 | Entyvio | $5 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-04-11 | Entyvio | $7 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-04-11 | Entyvio | $10 |
| Janssen Biotech | Meals · 2025-04-04 | Tremfya | $19 |
| Ardelyx | Meals · 2025-04-03 | Ibsrela | $15 |
| Ardelyx | Meals · 2025-03-20 | Ibsrela | $15 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-03-14 | Entyvio | $22 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-02-28 | Entyvio | $23 |
| Regeneron Healthcare Solutions | Meals · 2025-02-15 | Dupixent | $24 |
| Janssen Biotech | Meals · 2025-01-16 | Tremfya | $23 |
| Takeda Pharmaceuticals U.S.A. | Meals · 2025-01-10 | Entyvio | $16 |
See earlier years (2024, 2021)
2024: $183
| Takeda Pharmaceuticals U.S.A. | Entyvio | $60 | 3 payments
|
| Ardelyx | Ibsrela | $38 | 2 payments
|
| Janssen Biotech | Tremfya | $37 | 2 payments
|
| Abbvie | Rinvoq | $29 | 2 payments
|
| Madrigal Pharmaceuticals | Resmetirom | $19 | 1 payment
|
2021: $22
| Boston Scientific | General Gi Dilatation | $22 | 1 payment
|
Professional record
- NPI
- 1407352396
- Video visits
- Lists video visits
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207RG0100X (207RG0100X)
- Mailing address
- 2068 John Jones Rd, Davis, CA, 95616
- NPI first listed
- 2018-04-01
- NPI last updated
- 2025-03-07
- NPI record certified
- 2025-03-07
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 300 Pasteur Dr, Stanford, CA, 94305