Houssam Halawi, MD
Gastroenterology · Rochester
- 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
- 1
Offices
1 location · Mayo Clinic · 4,829 clinicians in this group
Hospitals listed: Mayo Clinic Hospital Rochester. 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. Halawi’s office at (507) 284-2511 to ask if they take your plan before you enroll.
California Medical Board record
Licence C163845 · Delinquent
Licence status: Delinquent · since 2019 · expires 2025-07-31 · American University of Beirut Faculty of Medicine.
License renewal fee has not been paid. No practice is permitted.
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.
- Mayo Clinic Hospital RochesterRochester, MNAcute Care Hospital · Voluntary non-profit - Church · Has an emergency department · Birthing-friendlyPart of Mayo Clinic Health System, which runs 26 hospitals in 5 statesHome of Mayo Clinic Comprehensive Cancer Center, a National Cancer Institute designated comprehensive cancer centrePatients rate it 5 of 5 · 89% would definitely recommend itOverall rating: 5 of 5 starsWorse than the national rate — Postoperative hemorrhage or hematoma rate: 3.63 (2.91 to 4.34) · 11,424 cases, Jul 2022 – Jun 2024Worse than the national rate — Postoperative wound dehiscence rate: 2.77 (1.83 to 3.71) · 3,855 cases, Jul 2022 – Jun 2024Better than the national rate — CMS Medicare PSI 90: Patient safety and adverse events composite: 0.77 (0.65 to 0.88), Jul 2022 – Jun 2024Better than the national rate — Death rate among surgical inpatients with serious treatable complications: 141.37 (117.06 to 165.67) · 726 cases, Jul 2022 – Jun 2024Better than the national rate — Postoperative respiratory failure rate: 5.26 (3.63 to 6.9) · 8,646 cases, Jul 2022 – Jun 2024Better than the national rate — Postoperative sepsis rate: 3.69 (2.51 to 4.86) · 8,764 cases, Jul 2022 – Jun 2024Better than the national rate — Pressure ulcer rate: 0.24 (0 to 0.51) · 22,863 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.628, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.415, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.557, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.152, Oct 2024 – Sep 2025
See every measure and the patient survey for Mayo Clinic Hospital Rochester
Behind the star rating — Deaths: 6 better, 2 the same, 0 worse of 8 measures. Safety: 6 better, 2 the same, 0 worse of 8 measures. Readmissions: 4 better, 7 the same, 0 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Postoperative hemorrhage or hematoma rateComplications and deaths | 3.63 (2.91 to 4.34) · 11,424 cases | Worse | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 2.77 (1.83 to 3.71) · 3,855 cases | Worse | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.77 (0.65 to 0.88) | Better | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 141.37 (117.06 to 165.67) · 726 cases | Better | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 5.26 (3.63 to 6.9) · 8,646 cases | Better | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 3.69 (2.51 to 4.86) · 8,764 cases | Better | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.24 (0 to 0.51) · 22,863 cases | Better | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.628 | Better | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.415 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.557 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.152 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.75 (0.28 to 1.22) · 8,643 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2 · 324 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6.9 · 253 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 8.6 · 523 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8.3 · 1,187 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 10.1 · 896 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.5 · 674 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 1.9 · 11,199 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.2 (0.06 to 0.33) · 24,982 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.21 (0.07 to 0.34) · 28,469 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.19 (3.33 to 5.05) · 13,578 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.91 (1.36 to 2.45) · 9,136 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 4.5 · 244 cases | None | Apr 2023 – Mar 2025 |
| SSI - Abdominal HysterectomyInfections | 1.079 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.724 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 13.3 · 758 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 19.8 · 1,588 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | -15.6 · 584 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 2.4 · 1,334 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -10.2 · 943 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.9 · 1,256 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.8 (4.3 to 7.8) · 562 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 12.6 (10.1 to 15.4) · 562 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6.8 · 225 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 10.8 · 347 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.2 · 394 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 14.9 (12.5 to 17.7) · 5,586 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.9 (0.8 to 1) · 4,767 cases | No different | Jan 2024 – Dec 2024 |
What patients said (4,221 patients answered, 39% of those asked)
| Cleanliness | 4 |
| Nurse communication | 5 |
| Doctor communication | 4 |
| Communication about medicines | 4 |
| Discharge information | 5 |
| Overall hospital rating | 5 |
| Quietness | 4 |
| Recommend hospital | 5 |
| Room was "always" clean | 76% |
| Nurses "always" communicated well | 84% |
| Doctors "always" communicated well | 83% |
| Staff "always" explained | 64% |
| Yes, staff "did" give patients this information | 91% |
| Yes, staff "did" give patients information about help after discharge | 90% |
| Doctors "always" explained things so they could understand | 77% |
| Doctors "always" listened carefully | 83% |
| Doctors "always" treated them with courtesy and respect | 90% |
| Patients who gave a rating of "9" or "10" (high) | 85% |
| Staff "always" explained new medications | 78% |
| Nurses "always" explained things so they could understand | 80% |
| Nurses "always" listened carefully | 82% |
| Nurses "always" treated them with courtesy and respect | 90% |
| "Always" quiet at night | 67% |
| "YES", patients would definitely recommend the hospital | 89% |
| Staff "always" explained possible side effects | 50% |
| Yes, staff "did" give patients information about possible symptoms | 92% |
Original Medicare doctor bills
$28,840
Medicare paid this office $28,840 for 227 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 | 61 | $11,483 | $188 |
| New patient visit (60+ min) | 21 | $3,377 | $161 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 29 | $2,018 | $70 |
| Long return visit (40+ min) | 15 | $1,992 | $133 |
| Study of rectum sensitivity and function | 23 | $1,523 | $66 |
See all 9 services
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 61 | $11,483 | $188 |
| New patient visit (60+ min) | 21 | $3,377 | $161 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 29 | $2,018 | $70 |
| Long return visit (40+ min) | 15 | $1,992 | $133 |
| Study of rectum sensitivity and function | 23 | $1,523 | $66 |
| Biopsy of large bowel using a flexible endoscope | 38 | $887 | $23 |
| Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | 17 | $450 | $26 |
| 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 | 92 | $314 | $3 |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | 17 | $119 | $7 |
Procedures Medicare counted
| Colonoscopy | 41 | More than 59% of doctors who do this |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 22 | More than 52% of doctors who do this |
Who their Medicare patients are
227 Original Medicare patients in 2024. Average age 72 · Under 65 10% · 85 and older 6% · Women 59% · Also on Medicaid 9% · Health risk score 1.23. At or below the middle of the specialty; the typical gastroenterology clinician is at 1.42.
Conditions among them: High blood pressure 63% · Chronic kidney disease 27% · Coronary heart disease 26% · Diabetes 25% · Depression 24% · Cancer 21% · Atrial fibrillation 15% · Heart failure 14% · COPD 10% · Stroke 9% · Dementia 7%.
The office billed $368,392, Medicare allowed $36,408 and paid $28,840; for 394 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 | 227 | 394 | 72 | 1.23 | $368,392 | $28,840 |
| 2023 | 246 | 466 | 70 | 1.48 | $543,488 | $45,266 |
| 2022 | 244 | 527 | 71 | 1.52 | $598,642 | $57,246 |
| 2021 | 195 | 356 | 69 | 1.45 | $411,113 | $43,594 |
| 2020 | 129 | 267 | 70 | 1.76 | $312,366 | $25,880 |
| 2019 | 17 | 22 | 72 | 1.19 | $13,479 | $2,560 |
| 2018 | 27 | 31 | 70 | 1.95 | $6,689 | $2,205 |
| 2017 | 61 | 83 | 71 | 1.30 | $11,626 | $6,663 |
| 2016 | 40 | 68 | 72 | 1.95 | $9,210 | $5,767 |
| 2015 | 44 | 64 | 71 | 1.78 | $9,552 | $5,516 |
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: 11 services
| Long return visit (40+ min) | 80 | $11,218 | $121 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 39 | $7,772 | $199 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 27 | $6,450 | $230 |
| New patient visit (60+ min) | 38 | $5,636 | $148 |
| Biopsy of large bowel using a flexible endoscope | 39 | $3,119 | $76 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 29 | $2,638 | $91 |
| Return visit (30+ min) | 18 | $1,509 | $84 |
| Biopsy of large bowel using a flexible endoscope | 36 | $1,360 | $38 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 16 | $1,078 | $67 |
| 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 | 49 | $186 | $4 |
| 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 | 29 | $137 | $5 |
2022: 9 services
| Long return visit (40+ min) | 95 | $16,259 | $129 |
| New patient visit (60+ min) | 85 | $13,462 | $158 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 37 | $8,558 | $225 |
| Biopsy of large bowel using a flexible endoscope | 56 | $3,795 | $67 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 45 | $3,780 | $80 |
| Return visit (30+ min) | 13 | $1,329 | $89 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | $1,076 | $77 |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 16 | $630 | $29 |
| 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 | 55 | $235 | $4 |
2021: 9 services
| New patient visit (60+ min) | 83 | $14,172 | $171 |
| Long return visit (40+ min) | 64 | $9,964 | $128 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 20 | $4,322 | $216 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 17 | $1,813 | $101 |
| Biopsy of large bowel using a flexible endoscope | 23 | $1,694 | $74 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 18 | $1,542 | $81 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 11 | $1,160 | $105 |
| Return visit (30+ min) | 12 | $663 | $55 |
| 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 | 26 | $124 | $4 |
2020: 9 services
| New patient visit (60+ min) | 44 | $6,156 | $140 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 13 | $2,916 | $224 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 22 | $2,323 | $106 |
| Long return visit (40+ min) | 17 | $1,748 | $103 |
| Biopsy of large bowel using a flexible endoscope | 20 | $1,688 | $84 |
| Short return visit (20+ min) | 25 | $1,447 | $47 |
| Return visit (30+ min) | 15 | $1,182 | $74 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | $1,168 | $83 |
| 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 | 20 | $89 | $4 |
2017: 3 services
| New patient visit (45+ min) | 19 | $1,860 | $98 |
| Long return visit (40+ min) | 15 | $1,715 | $107 |
| Return visit (30+ min) | 21 | $1,706 | $74 |
2016: 4 services
| Return visit (30+ min) | 20 | $1,987 | $76 |
| New patient visit (45+ min) | 14 | $1,691 | $121 |
| Long return visit (40+ min) | 12 | $1,388 | $99 |
| Short return visit (20+ min) | 11 | $701 | $54 |
2015: 2 services
| Long return visit (40+ min) | 24 | $2,504 | $100 |
| Return visit (30+ min) | 19 | $1,823 | $79 |
Medicaid work
$2,187 in 2023
Medicaid paid $2,187 for 38 billed services this clinician did in 2023, up to 14 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.
| Long return visit (40+ min) | 38 | $2,187 |
| 2023 | 38 | 1 | 14 | $2,187 |
| 2022 | 25 | 2 | 12 | $4,853 |
See the largest Medicaid services in earlier years
2022
| COLONOSCOPY AND BIOPSY | 12 | $4,091 |
| TISSUE EXAM BY PATHOLOGIST | 13 | $762 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 100.0 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1487941928
- Licence
- CA C163845, MN 59136California C163845: Delinquent · expires 2025-07-31
- Group
- Mayo Clinic
- Video visits
- Lists video visits
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207RG0100X (207RG0100X)
- Mailing address
- 200 1st St Sw, Rochester, MN, 55905
- NPI first listed
- 2011-07-05
- NPI last updated
- 2023-09-06
- NPI record certified
- 2023-09-06
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 300 Pasteur Dr, Stanford, CA, 94305
This office lists an electronic records connection.