Michael Zachary Allen, DO
Orthopedic Surgery · Clovis
- 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
- Since medical school
- 8 years
- Graduated 2018
Offices
1 location · Central California Faculty Medical Group Inc · 256 clinicians in this group
Looking this up.
Hospitals listed: Clovis Community Medical Center · Community Regional Medical Center. 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. Allen’s office at (559) 320-0531 to ask if they take your plan before you enroll.
California Medical Board record
Licence A17724 · Deceased
Licence status: Deceased · since 1957 · University of Chicago, Pritzker School of Medicine.
Licensee is deceased.
Matched on the licence number without its letter prefix; check the name before relying on it.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
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.
- Clovis Community Medical CenterClovis, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Community Medical Centers, which runs 4 hospitalsPatients rate it 3 of 5 · 80% would definitely recommend itOverall rating: 2 of 5 starsWorse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.7 (12.1 to 17.7) · 421 cases, Jan 2024 – Dec 2024Better than the national rate — Clostridium Difficile (C.Diff): 0.692, Oct 2024 – Sep 2025
- Community Regional Medical CenterFresno, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Community Medical Centers, which runs 4 hospitalsPatients rate it 3 of 5 · 70% would definitely recommend itOverall rating: 1 of 5 starsWorse than the national rate — Death rate among surgical inpatients with serious treatable complications: 211.21 (174.88 to 247.54) · 239 cases, Jul 2022 – Jun 2024Better than the national rate — Clostridium Difficile (C.Diff): 0.705, Oct 2024 – Sep 2025
See every measure and the patient survey for Clovis Community Medical Center
Behind the star rating — Deaths: 1 better, 7 the same, 0 worse of 8 measures. Safety: 0 better, 6 the same, 1 worse of 7 measures. Readmissions: 1 better, 9 the same, 1 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 | 14.7 (12.1 to 17.7) · 421 cases | Worse | Jan 2024 – Dec 2024 |
| Clostridium Difficile (C.Diff)Infections | 0.692 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.97 (0.04 to 1.89) · 1,840 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.16 (0.86 to 1.45) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 217.06 (167.45 to 266.67) · 84 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2.4 · 69 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 9.1 · 165 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 13.4 · 161 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 14 · 507 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 17.6 · 798 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.6 · 336 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.1 · 3,771 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.19 (0 to 0.39) · 8,649 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.27 (0.08 to 0.46) · 9,146 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.46 (1.47 to 5.45) · 1,654 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 2.19 (0.61 to 3.78) · 387 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.18 (0.7 to 3.66) · 1,578 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 13.47 (7.08 to 19.87) · 374 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.99 (1.37 to 8.61) · 379 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.58 (0.13 to 3.04) · 405 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.8 (0.23 to 1.38) · 8,198 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.2 · 90 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.651 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.922 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.449 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.509 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15.3 · 210 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 23 · 702 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | -1.5 · 152 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 58.4 · 556 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 18 · 769 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17.8 · 802 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.5 (4 to 7.4) · 421 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.2 · 91 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 9.6 · 93 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20 · 200 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.4 (9.8 to 15.6) · 2,398 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.8 (0.6 to 1.1) · 720 cases | No different | Jan 2024 – Dec 2024 |
What patients said (441 patients answered, 26% of those asked)
| Cleanliness | 4 |
| Nurse communication | 3 |
| Doctor communication | 2 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 2 |
| Recommend hospital | 5 |
| Room was "always" clean | 80% |
| Nurses "always" communicated well | 75% |
| Doctors "always" communicated well | 75% |
| Staff "always" explained | 61% |
| Yes, staff "did" give patients this information | 87% |
| Yes, staff "did" give patients information about help after discharge | 85% |
| Doctors "always" explained things so they could understand | 69% |
| Doctors "always" listened carefully | 73% |
| Doctors "always" treated them with courtesy and respect | 84% |
| Patients who gave a rating of "9" or "10" (high) | 72% |
| Staff "always" explained new medications | 74% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 71% |
| Nurses "always" treated them with courtesy and respect | 83% |
| "Always" quiet at night | 52% |
| "YES", patients would definitely recommend the hospital | 80% |
| Staff "always" explained possible side effects | 48% |
| Yes, staff "did" give patients information about possible symptoms | 88% |
See every measure and the patient survey for Community Regional Medical Center
Behind the star rating — Deaths: 0 better, 7 the same, 1 worse of 8 measures. Safety: 0 better, 7 the same, 0 worse of 7 measures. Readmissions: 0 better, 7 the same, 3 worse of 10 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 211.21 (174.88 to 247.54) · 239 cases | Worse | Jul 2022 – Jun 2024 |
| Clostridium Difficile (C.Diff)Infections | 0.705 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.13 (0.29 to 1.96) · 2,304 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.09 (0.87 to 1.3) | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 3.2 · 187 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 8.6 · 116 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 11.7 · 187 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 10.6 · 445 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.2 · 399 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.1 · 582 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.2 · 3,744 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.31 (0.12 to 0.5) · 11,052 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.27 (0.1 to 0.45) · 11,566 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.33 (1.64 to 5.01) · 3,139 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.08 (0 to 2.3) · 1,423 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 1.7 (0.52 to 2.88) · 3,084 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 11.85 (8.11 to 15.6) · 1,481 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 6.4 (3.81 to 8.98) · 1,404 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 2.35 (0.95 to 3.76) · 760 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.64 (0.16 to 1.11) · 10,254 cases | No different | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.817 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 1.031 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.837 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0.81 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.853 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15.8 · 258 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22 · 689 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 37.4 · 202 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 35.2 · 543 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 39.2 · 434 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 19.3 · 552 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.4 (3.6 to 7.9) · 169 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 11.4 (8.3 to 15.4) · 169 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission for CABGUnplanned return visits | 12.4 · 189 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 21.6 · 248 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 11.9 (9.5 to 14.9) · 2,590 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.9 (0.7 to 1.2) · 310 cases | No different | Jan 2024 – Dec 2024 |
What patients said (421 patients answered, 26% of those asked)
| Cleanliness | 4 |
| Nurse communication | 2 |
| Doctor communication | 3 |
| Communication about medicines | 2 |
| Discharge information | 4 |
| Overall hospital rating | 3 |
| Quietness | 1 |
| Recommend hospital | 3 |
| Room was "always" clean | 74% |
| Nurses "always" communicated well | 74% |
| Doctors "always" communicated well | 77% |
| Staff "always" explained | 55% |
| Yes, staff "did" give patients this information | 87% |
| Yes, staff "did" give patients information about help after discharge | 85% |
| Doctors "always" explained things so they could understand | 71% |
| Doctors "always" listened carefully | 76% |
| Doctors "always" treated them with courtesy and respect | 83% |
| Patients who gave a rating of "9" or "10" (high) | 66% |
| Staff "always" explained new medications | 69% |
| Nurses "always" explained things so they could understand | 70% |
| Nurses "always" listened carefully | 70% |
| Nurses "always" treated them with courtesy and respect | 82% |
| "Always" quiet at night | 43% |
| "YES", patients would definitely recommend the hospital | 70% |
| Staff "always" explained possible side effects | 41% |
| Yes, staff "did" give patients information about possible symptoms | 88% |
Original Medicare doctor bills
$24,191
Medicare paid this office $24,191 for 43 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 15 | $2,037 | $136 |
Procedures Medicare counted
| Hip replacement | 1-10 | None |
| Removal of tissue | 1-10 | None |
Who their Medicare patients are
43 Original Medicare patients in 2024. Average age 76 · Women 65% · Also on Medicaid 47% · Health risk score 2.30. Sicker patients than 9 in 10 peers; the typical orthopedic surgery clinician is at 1.13.
Conditions among them: High blood pressure 75% · Diabetes 51% · Chronic kidney disease 47% · Coronary heart disease 42% · Depression 37% · Heart failure 33% · Atrial fibrillation 33%.
The office billed $110,186, Medicare allowed $30,712 and paid $24,191; for 123 services of 46 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.
Money from drug and device companies
$5,452 in 2025
| 2025 | 2 | 34 | None | $5,452 |
| 2024 | 5 | 6 | None | $598 |
| 2023 | 6 | 51 | None | $5,551 |
| 2022 | 2 | 16 | None | $1,708 |
| 2021 | 1 | 2 | None | $37 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Stryker | Gamma | $5,326 | 33 payments
|
| Trimed | Tools - Wfs | $126 | 1 payment
|
See all 34 published payments
| Stryker | Meals · 2025-12-24 | Pangea | $63 |
| Stryker | Meals · 2025-12-10 | Pangea | $58 |
| Stryker | Travel · 2025-12-03 | Pro | $352 |
| Stryker | Meals · 2025-10-23 | Pangea | $12 |
| Stryker | Meals · 2025-09-28 | Pangea | $9 |
| Stryker | Meals · 2025-09-24 | Pangea | $18 |
| Stryker | Travel · 2025-09-23 | Pro | $186 |
| Stryker | Travel · 2025-09-22 | Pro | $252 |
| Stryker | Travel · 2025-09-22 | Pro | $252 |
| Stryker | Travel · 2025-09-21 | Gamma | $1,850 |
| Stryker | Meals · 2025-09-20 | Gamma | $146 |
| Stryker | Meals · 2025-09-20 | Pangea | $32 |
| Stryker | Meals · 2025-09-20 | Pangea | $125 |
| Stryker | Meals · 2025-09-20 | Gamma | $43 |
| Stryker | Meals · 2025-09-20 | Gamma | $57 |
| Stryker | Travel · 2025-09-19 | Pro | $241 |
| Stryker | Meals · 2025-09-19 | Pangea | $52 |
| Stryker | Meals · 2025-09-19 | Gamma | $71 |
| Stryker | Meals · 2025-09-19 | Gamma | $78 |
| Stryker | Travel · 2025-09-18 | Pangea | $343 |
| Stryker | Meals · 2025-09-18 | Pangea | $145 |
| Stryker | Meals · 2025-09-18 | Pangea | $11 |
| Stryker | Meals · 2025-09-18 | Pangea | $33 |
| Stryker | Meals · 2025-09-18 | Pangea | $29 |
| Stryker | Meals · 2025-09-17 | Pangea | $13 |
| Stryker | Meals · 2025-09-17 | Pangea | $72 |
| Stryker | Meals · 2025-08-15 | Pangea | $27 |
| Stryker | Travel · 2025-07-30 | Pro | $531 |
| Stryker | Meals · 2025-07-06 | Hoffmann | $32 |
| Stryker | Meals · 2025-06-13 | Pangea | $20 |
| Stryker | Meals · 2025-06-06 | Pangea | $30 |
| Trimed | Meals · 2025-05-28 | Tools - Wfs | $126 |
| Stryker | Meals · 2025-03-26 | Gamma | $113 |
| Stryker | Meals · 2025-03-22 | Pangea | $27 |
See earlier years (2024, 2023, 2022, 2021)
2024: $598
| Globus Medical | Distal Radius II | $167 | 1 payment
|
| DePuy Synthes Sales | Na | $136 | 1 payment
|
| Stryker | Axsos | $124 | 2 payments
|
| Cornerstone Medical Associates | None | $95 | 1 payment
|
| Skeletal Dynamics | Geminus | $76 | 1 payment
|
2023: $5,551
| Smith+Nephew | Evos | $2,937 | 16 payments
|
| Stryker | Pro | $1,256 | 13 payments
|
| Zimmer Biomet Holdings | Affixus | $1,129 | 19 payments
|
| Medtronic | Prestige Lp Cervical Disc System | $134 | 1 payment
|
| OrthoPediatrics | None | $70 | 1 payment
|
| DePuy Synthes Sales | Na | $26 | 1 payment
|
2022: $1,708
| Arthrex | None | $1,326 | 12 payments
|
| Stryker | Gamma | $381 | 4 payments
|
2021: $37
| Medtronic | Prestige | $37 | 2 payments
|
Professional record
- NPI
- 1295220002
- Licence
- CA 17724, CA 20A17724California A17724: Deceased
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207XX0801X (207XX0801X); Orthopedic surgery (207X00000X)
- Mailing address
- 2625 E Divisadero St, Fresno, CA, 93721
- NPI first listed
- 2018-06-25
- NPI last updated
- 2024-08-22
- NPI record certified
- 2024-08-22
This is when the NPI record was last certified, not a medical board exam.