Daniel Chang, MD
Neurosurgery · Oakland
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 9
- 1 carrier
- Office
- 1
- Since medical school
- 8 years
- Graduated 2018
Offices
1 location · Alameda Health System · 597 clinicians in this group
Hospitals listed: Highland Hospital. That is not proof they admit you there this week.
Plans that list them
9 plans · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chang’s office at (510) 437-4800 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| 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 |
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.
- Highland HospitalOakland, CAAcute Care Hospital · Government - Hospital District or Authority · Has an emergency department · Birthing-friendlyPart of Alameda Health System, which runs 4 hospitalsPatients rate it 3 of 5 · 70% would definitely recommend itOverall rating: 1 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.568, Oct 2024 – Sep 2025
See every measure and the patient survey for Highland Hospital
Behind the star rating — Deaths: 0 better, 7 the same, 0 worse of 7 measures. Safety: 0 better, 5 the same, 1 worse of 6 measures. Readmissions: 0 better, 6 the same, 3 worse of 9 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0 | Better | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.568 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.95 (0 to 1.99) · 487 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.06 (0.7 to 1.42) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 198.35 (145.43 to 251.26) · 50 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for COPD patientsComplications and deaths | 6.8 · 83 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 11.8 · 60 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 13.3 · 148 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 11.9 · 237 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.7 · 68 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.3 · 1,143 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.17 (0 to 0.38) · 4,370 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.27 (0.07 to 0.47) · 4,344 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 2.54 (0.29 to 4.79) · 689 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 2.07 (0.37 to 3.78) · 165 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 1.91 (0.34 to 3.48) · 681 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 11.62 (2.72 to 20.53) · 179 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.44 (1.37 to 9.5) · 163 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.97 (0.49 to 3.45) · 126 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.76 (0.07 to 1.44) · 3,387 cases | No different | Jul 2022 – Jun 2024 |
| MRSA BacteremiaInfections | 0.519 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.682 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15.5 · 51 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21.9 · 184 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 141.8 · 59 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 27.6 · 186 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 35.3 · 253 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.6 · 243 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5 (3.2 to 7.7) · 64 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 13.5 (9.7 to 18.5) · 64 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19 · 107 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 14.4 (10.8 to 19.4) · 355 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.7 to 1.5) · 84 cases | No different | Jan 2024 – Dec 2024 |
What patients said (1,960 patients answered, 26% of those asked)
| Cleanliness | 3 |
| Nurse communication | 2 |
| Doctor communication | 3 |
| Communication about medicines | 2 |
| Discharge information | 2 |
| Overall hospital rating | 4 |
| Quietness | 3 |
| Recommend hospital | 4 |
| Room was "always" clean | 68% |
| Nurses "always" communicated well | 72% |
| Doctors "always" communicated well | 77% |
| Staff "always" explained | 55% |
| Yes, staff "did" give patients this information | 83% |
| Yes, staff "did" give patients information about help after discharge | 83% |
| Doctors "always" explained things so they could understand | 73% |
| Doctors "always" listened carefully | 76% |
| Doctors "always" treated them with courtesy and respect | 82% |
| Patients who gave a rating of "9" or "10" (high) | 68% |
| Staff "always" explained new medications | 68% |
| Nurses "always" explained things so they could understand | 68% |
| Nurses "always" listened carefully | 68% |
| Nurses "always" treated them with courtesy and respect | 78% |
| "Always" quiet at night | 50% |
| "YES", patients would definitely recommend the hospital | 70% |
| Staff "always" explained possible side effects | 42% |
| Yes, staff "did" give patients information about possible symptoms | 82% |
Original Medicare doctor bills
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Procedures Medicare counted
| Laminectomy or laminotomy (partial removal of spine bones) | 1-10 | None |
| Spinal fusion | 1-10 | None |
Drugs they prescribed that Part D paid
$3,790
Pharmacies billed $3,790 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
$3,790 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.
Year by year
| 2024 | 12 | None | None | None | $3,790 |
| 2023 | 27 | 15 | 41% (11) | 0% | $217 |
| 2022 | 16 | None | None | 0% | $104 |
| 2021 | 40 | 22 | 38% (15) | None | $529 |
| 2020 | 100 | 60 | 52% (52) | None | $2,996 |
| 2019 | 28 | 21 | None | None | $433 |
| 2018 | 13 | None | 0% (0) | 0% | $335 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2020: 1 drug
| Hydrocodone-Acetaminophen | 34 | $246 | $7 |
Money from drug and device companies
$2,438 in 2025
| 2025 | 3 | 19 | None | $2,438 |
| 2024 | 1 | 6 | None | $511 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Medical Device Business Services | Trufill | $1,094 | 15 payments
|
| Stryker | Neuroform Ez 3 | $836 | 2 payments
|
| Balt USA | Optima Coil System | $509 | 2 payments
|
See all 19 published payments
| Medical Device Business Services | Meals · 2025-06-10 | Trufill | $55 |
| Medical Device Business Services | Travel · 2025-05-20 | Trufill | $196 |
| Medical Device Business Services | Travel · 2025-05-16 | Trufill | $36 |
| Medical Device Business Services | Travel · 2025-05-16 | Trufill | $37 |
| Medical Device Business Services | Meals · 2025-05-15 | Trufill | $24 |
| Medical Device Business Services | Travel · 2025-05-15 | Trufill | $35 |
| Medical Device Business Services | Meals · 2025-05-14 | Trufill | $118 |
| Medical Device Business Services | Travel · 2025-05-14 | Trufill | $37 |
| Medical Device Business Services | Meals · 2025-05-14 | Trufill | $34 |
| Medical Device Business Services | Meals · 2025-05-14 | Trufill | $36 |
| Medical Device Business Services | Meals · 2025-05-14 | Trufill | $6 |
| Medical Device Business Services | Meals · 2025-05-12 | Trufill | $14 |
| Medical Device Business Services | Meals · 2025-05-11 | Trufill | $35 |
| Medical Device Business Services | Meals · 2025-05-09 | Trufill | $70 |
| Medical Device Business Services | Travel · 2025-04-23 | Trufill | $361 |
| Balt USA | Travel · 2025-04-04 | Optima Coil System | $232 |
| Balt USA | Travel · 2025-04-03 | Optima Coil System | $277 |
| Stryker | Meals · 2025-01-10 | Surpass Evolve | $167 |
| Stryker | Travel · 2025-01-10 | Neuroform Ez 3 | $669 |
See earlier years (2024)
2024: $511
| Stryker | Surpass Evolve | $511 | 6 payments
|
Professional record
- NPI
- 1427547702
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207T00000X (207T00000X); Student in a training program (390200000X)
- Mailing address
- 1001 Potrero Ave, San Francisco, CA, 94110
- NPI first listed
- 2018-05-02
- NPI last updated
- 2025-10-06
- NPI record certified
- 2025-10-06
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 127 S San Vicente Blvd Ste A6600, Los Angeles, CA, 90048 · 1001 Potrero Ave, San Francisco, CA, 94110