Duffy Chan, PT
Physical Therapist in Private Practice · Sunnyvale
- Medicare standing
- 1 flag on the record
- Listed below.
- Plans that list them
- 1
- 1 carrier
- Office
- 1
On the public record
- Medicare does not list them as allowed to order and refer
Offices
1 location · Diaz-Olson Physical Therapy and Sports Rehabilitation Inc · 3 clinicians in this group
Looking this up.
Plans that list them
1 plan · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Duffy Chan’s office at (408) 245-3575 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| Anthem Prime (HMO-POS) | Anthem Blue Cross Partnership Plan | Listed | Oct 3, 2026 |
Original Medicare doctor bills
$53,753
Medicare paid this office $53,753 for 50 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Therapy procedure using manual technique, each 15 minutes | 49 | $25,913 | $19 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 48 | $18,850 | $27 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 37 | $3,826 | $8 |
| Evaluation for physical therapy, typically 20 minutes | 24 | $1,894 | $76 |
Who their Medicare patients are
50 Original Medicare patients in 2024. Average age 79 · Under 65 0% · 85 and older 34% · Women 62% · Also on Medicaid 24% · Health risk score 1.02. At or below the middle of the specialty; the typical physical therapist in private practice clinician is at 1.03.
Conditions among them: High blood pressure 70% · Diabetes 26% · Coronary heart disease 24% · Cancer 22%.
The office billed $113,515, Medicare allowed $68,811 and paid $53,753; for 2,666 services of 8 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 | 50 | 2,666 | 79 | 1.02 | $113,515 | $53,753 |
| 2023 | 54 | 2,023 | 76 | 0.75 | $85,625 | $40,006 |
| 2022 | 40 | 1,269 | 74 | 0.56 | $54,825 | $26,583 |
| 2021 | 42 | 1,107 | 76 | 0.85 | $47,830 | $24,018 |
| 2020 | 19 | 635 | 77 | 0.95 | $26,940 | $13,181 |
| 2019 | 54 | 2,052 | 75 | 0.78 | $87,760 | $43,525 |
| 2018 | 43 | 1,364 | 77 | 0.90 | $58,295 | $28,610 |
| 2017 | 36 | 1,276 | 75 | 0.94 | $54,180 | $27,765 |
| 2016 | 32 | 1,000 | 76 | 0.89 | $43,495 | $21,848 |
| 2015 | 29 | 698 | 78 | 1.40 | $32,560 | $17,226 |
| 2014 | 19 | 351 | 72 | 0.75 | $16,030 | $8,315 |
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: 4 services
| Therapy procedure using manual technique, each 15 minutes | 53 | $18,983 | $19 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 53 | $15,260 | $26 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 36 | $3,136 | $8 |
| Evaluation for physical therapy, typically 20 minutes | 21 | $1,646 | $75 |
2022: 5 services
| Therapy procedure using manual technique, each 15 minutes | 37 | $11,426 | $19 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 40 | $9,076 | $26 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 27 | $2,079 | $9 |
| Evaluation for physical therapy, typically 20 minutes | 27 | $1,904 | $68 |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 14 | $1,852 | $31 |
2021: 5 services
| Therapy procedure using manual technique, each 15 minutes | 36 | $9,332 | $20 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 41 | $8,397 | $27 |
| Evaluation for physical therapy, typically 20 minutes | 31 | $2,335 | $75 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 31 | $2,175 | $9 |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 15 | $1,637 | $33 |
2020: 4 services
| Therapy procedure using manual technique, each 15 minutes | 17 | $5,282 | $19 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 18 | $4,470 | $26 |
| Therapy procedure using functional activities | 11 | $1,898 | $37 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 18 | $1,226 | $9 |
2019: 5 services
| Therapy procedure using manual technique, each 15 minutes | 53 | $17,634 | $20 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 54 | $14,255 | $27 |
| Therapy procedure using functional activities | 45 | $4,367 | $35 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 47 | $4,280 | $10 |
| Evaluation for physical therapy, typically 20 minutes | 33 | $2,591 | $76 |
2018: 5 services
| Therapy procedure using manual technique, each 15 minutes | 41 | $11,234 | $19 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 43 | $9,369 | $26 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 39 | $2,803 | $10 |
| Therapy procedure using functional activities | 31 | $2,573 | $35 |
| Evaluation for physical therapy, typically 20 minutes | 20 | $1,568 | $75 |
2017: 6 services
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 36 | $10,513 | $26 |
| Therapy procedure using manual technique, each 15 minutes | 36 | $8,424 | $21 |
| Therapy procedure using functional activities | 30 | $3,254 | $33 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 35 | $2,847 | $9 |
| Evaluation for physical therapy, typically 20 minutes | 22 | $1,667 | $76 |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 11 | $717 | $30 |
2016: 6 services
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 31 | $8,322 | $25 |
| Therapy procedure using manual technique, each 15 minutes | 32 | $5,369 | $21 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 27 | $2,040 | $9 |
| Therapy procedure using functional activities | 20 | $1,842 | $30 |
| Physical therapy evaluation | 23 | $1,753 | $70 |
| Training for self-care or home management, each 15 minutes | 11 | $1,229 | $31 |
2015: 7 services
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 29 | $6,328 | $23 |
| Therapy procedure using manual technique, each 15 minutes | 27 | $3,250 | $21 |
| Training for self-care or home management, each 15 minutes | 21 | $3,214 | $31 |
| Physical therapy evaluation | 20 | $1,383 | $69 |
| Therapy procedure using functional activities | 18 | $1,248 | $32 |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 14 | $989 | $27 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 14 | $518 | $9 |
2014: 3 services
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 19 | $2,851 | $24 |
| Therapy procedure using manual technique, each 15 minutes | 17 | $1,605 | $21 |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 13 | $460 | $9 |
Professional record
- NPI
- 1033302617
- Licence
- TX 1175229
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 174400000X (174400000X)
- Mailing address
- 20403 University Blvd, Suite 100, Sugar Land, TX, 77478
- NPI first listed
- 2007-08-27
- NPI last updated
- 2007-08-27
This is when the NPI record was last certified, not a medical board exam.