Leslie Chen, DO
Emergency Medicine · Fremont
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 10
- 2 carriers
- Offices
- 2
Offices
2 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group
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. Chen’s office 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 |
| SCAN Strive (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
Original Medicare doctor bills
$37,147
Medicare paid this office $37,147 for 272 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 161 | $17,424 | $104 |
| Long return visit (40+ min) | 53 | $8,239 | $155 |
| Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b | 20 | $2,796 | $140 |
| Short return visit (20+ min) | 33 | $2,605 | $79 |
| New patient visit (30+ min) | 24 | $1,448 | $60 |
See all 10 services
| Return visit (30+ min) | 161 | $17,424 | $104 |
| Long return visit (40+ min) | 53 | $8,239 | $155 |
| Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b | 20 | $2,796 | $140 |
| Short return visit (20+ min) | 33 | $2,605 | $79 |
| New patient visit (30+ min) | 24 | $1,448 | $60 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 14 | $704 | $50 |
| Injection of drug or substance under skin or into muscle | 25 | $371 | $14 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 17 | $271 | $16 |
| Automated urinalysis test | 30 | $68 | $2 |
| Injection, ceftriaxone sodium, per 250 mg | 18 | $28 | None |
Who their Medicare patients are
272 Original Medicare patients in 2024. Average age 76 · Under 65 6% · 85 and older 19% · Women 63% · Also on Medicaid 26% · Health risk score 1.09. At or below the middle of the specialty; the typical emergency medicine clinician is at 2.01.
Conditions among them: High blood pressure 72% · Diabetes 36% · Coronary heart disease 31% · Chronic kidney disease 26% · Depression 17% · Cancer 14% · Atrial fibrillation 12% · Heart failure 11% · COPD 9% · Dementia 8% · Stroke 5%.
The office billed $135,360, Medicare allowed $52,551 and paid $37,147; for 533 services of 35 kinds; $56 of it was for drugs given in the office and $37,091 for care.
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 | 272 | 533 | 76 | 1.09 | $135,360 | $37,147 |
| 2023 | 316 | 2,073 | 75 | 1.06 | $152,880 | $43,640 |
| 2022 | 185 | 1,115 | 75 | 1.11 | $80,195 | $27,670 |
| 2021 | 194 | 359 | 74 | 1.00 | $77,428 | $23,105 |
| 2020 | 179 | 329 | 75 | 1.27 | $65,223 | $16,659 |
| 2019 | 344 | 733 | 75 | 1.33 | $138,189 | $34,274 |
| 2018 | 332 | 724 | 75 | 1.38 | $121,882 | $31,763 |
| 2017 | 86 | 156 | 73 | 1.29 | $24,226 | $7,335 |
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: 9 services
| Return visit (30+ min) | 178 | $20,225 | $109 |
| Long return visit (40+ min) | 55 | $9,012 | $158 |
| Short return visit (20+ min) | 51 | $4,109 | $78 |
| Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b | 13 | $1,817 | $140 |
| New patient visit (30+ min) | 21 | $1,580 | $75 |
| New patient visit (45+ min) | 12 | $1,503 | $125 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 25 | $1,257 | $50 |
| Injection of drug or substance under skin or into muscle | 22 | $521 | $13 |
| Automated urinalysis test | 36 | $84 | $2 |
2022: 6 services
| Return visit (30+ min) | 109 | $13,676 | $121 |
| Long return visit (40+ min) | 46 | $7,963 | $173 |
| Short return visit (20+ min) | 18 | $1,579 | $88 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 24 | $1,207 | $50 |
| Injection of drug or substance under skin or into muscle | 12 | $168 | $13 |
| Automated urinalysis test | 25 | $57 | $2 |
2021: 7 services
| Return visit (30+ min) | 100 | $10,589 | $100 |
| Long return visit (40+ min) | 33 | $5,092 | $154 |
| Short return visit (20+ min) | 48 | $3,660 | $75 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 21 | $1,129 | $51 |
| Injection of drug or substance under skin or into muscle | 15 | $195 | $11 |
| Automated urinalysis test | 27 | $61 | $2 |
| Injection, ceftriaxone sodium, per 250 mg | 11 | $17 | None |
2020: 4 services
| Return visit (30+ min) | 110 | $10,026 | $87 |
| Short return visit (20+ min) | 42 | $2,272 | $53 |
| Injection of drug or substance under skin or into muscle | 15 | $209 | $12 |
| Automated urinalysis test | 18 | $42 | $2 |
2019: 9 services
| Return visit (30+ min) | 231 | $21,333 | $87 |
| Short return visit (20+ min) | 77 | $5,004 | $63 |
| New patient visit (45+ min) | 16 | $1,398 | $87 |
| New patient visit (30+ min) | 21 | $1,308 | $62 |
| Injection of drug or substance under skin or into muscle | 35 | $629 | $15 |
| Inhalation treatment for airway obstruction or sputum production | 11 | $176 | $16 |
| Automated urinalysis test | 52 | $134 | $2 |
| Injection, ceftriaxone sodium, per 250 mg | 14 | $33 | None |
| Injection, ketorolac tromethamine, per 15 mg | 11 | $13 | None |
2018: 9 services
| Return visit (30+ min) | 175 | $17,326 | $92 |
| Short return visit (20+ min) | 130 | $7,000 | $51 |
| Long return visit (40+ min) | 15 | $1,885 | $126 |
| New patient visit (45+ min) | 11 | $1,265 | $115 |
| New patient visit (30+ min) | 11 | $645 | $59 |
| Injection of drug or substance under skin or into muscle | 26 | $532 | $18 |
| Inhalation treatment for airway obstruction or sputum production | 11 | $228 | $18 |
| Automated urinalysis test | 48 | $130 | $3 |
| Injection, ceftriaxone sodium, per 250 mg | 15 | $38 | None |
2017: 3 services
| Short return visit (20+ min) | 61 | $4,033 | $65 |
| Return visit (30+ min) | 18 | $1,770 | $98 |
| Automated urinalysis test | 13 | $39 | $3 |
Drugs they prescribed that Part D paid
$6,309
Pharmacies billed $6,309 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
220 generic and fewer than 11 brand-name prescriptions · $6,309 in drug cost · 103 antibiotic prescriptions to 91 people.
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.
| Albuterol Sulfate Hfa | 23 | $834 | $35 |
| Doxycycline Hyclate | 32 | $307 | $10 |
| Diclofenac | 12 | $258 | $20 |
| Cephalexin | 29 | $150 | $5 |
| Amoxicillin-Clavulanate Potass | 13 | $118 | $9 |
Year by year
| 2024 | 262 | 183 | None | None | $6,309 |
| 2023 | 338 | 219 | None | 11% | $8,518 |
| 2022 | 166 | 113 | None | 12% | $5,154 |
| 2021 | 139 | 104 | None | None | $3,028 |
| 2020 | 156 | 105 | None | 10% | $3,049 |
| 2019 | 293 | 200 | None | None | $8,339 |
| 2018 | 268 | 174 | None | 15% | $5,940 |
| 2017 | 91 | 53 | 17% (15) | None | $3,619 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 7 drugs
| Albuterol Sulfate Hfa | 21 | $702 | $33 |
| Diclofenac | 21 | $533 | $25 |
| Doxycycline Hyclate | 29 | $369 | $13 |
| Amoxicillin-Clavulanate Potass | 25 | $225 | $9 |
| Cephalexin | 28 | $210 | $7 |
| Paxlovid (Eua) | 11 | $115 | $10 |
| Azithromycin | 23 | $109 | $5 |
2022: 3 drugs
| Albuterol Sulfate Hfa | 16 | $587 | $37 |
| Doxycycline Hyclate | 12 | $163 | $14 |
| Cephalexin | 17 | $95 | $6 |
2021: 2 drugs
| Diclofenac | 12 | $528 | $44 |
| Cephalexin | 23 | $99 | $4 |
2020: 1 drug
| Cephalexin | 15 | $60 | $4 |
2019: 6 drugs
| Ventolin Hfa | 11 | $622 | $57 |
| Diclofenac | 17 | $453 | $27 |
| Ipratropium | 14 | $438 | $31 |
| Doxycycline Hyclate | 13 | $243 | $19 |
| Azithromycin | 32 | $202 | $6 |
| Cephalexin | 34 | $156 | $5 |
2018: 5 drugs
| Ventolin Hfa | 18 | $996 | $55 |
| Diclofenac | 15 | $355 | $24 |
| Azithromycin | 30 | $203 | $7 |
| Cephalexin | 14 | $76 | $5 |
| Simvastatin | 12 | $34 | $3 |
2017: 1 drug
| Tramadol | 14 | $59 | $4 |
Professional record
- NPI
- 1023428331
- Licence
- CA 20A14391
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Family medicine (207Q00000X)
- Mailing address
- Po Box 276950, Sacramento, CA, 95827
- NPI first listed
- 2014-05-08
- NPI last updated
- 2025-06-05
- NPI record certified
- 2025-06-05
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 155 N Fresno St, Fresno, CA, 93701