Tyler Chan, MD
NPI 1821384959ActiveIndividual· Surgery· Parker, CO
Surgery (MD) with Portercare Adventist Health System, practicing in Parker, Colorado. Mostly services rather than prescriptions: Medicare paid $37,717 for 92 patients in 2024, with only 32 Part D claims. Intuitive Surgical, Inc. reported $552.15 in payments in 2025, mostly food and beverage. Lists Adventhealth Parker as a hospital affiliation.
Overview
| NPI | 1821384959 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2011 |
| Last updated in NPPES | Feb 24, 2025 |
| Certified by provider | Feb 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | DR.58644 | CO |
| Surgery | 208600000X | MT200524 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 152 across 37 procedure codes |
| Paid by Medicare | $37,717 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 37 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $114.80 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Portercare Adventist Health SystemDenver, CO · 774 clinicians
Hospital affiliation
- Adventhealth ParkerParker, CO
Industry payments (Open Payments)
- 2025$552.15 · 5 payments from 1 company
- 2024$29.31 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $552.15 | 5 |
What the 2025 payments were for
- Food and Beverage$515.15 · 4 payments
- Travel and Lodging$37.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Parker
- 1508224262
- 1760218440
- 1821181876
- 1356519391
- 1467850834
- 1619180825
- 1124104674
- 1326709544
- 1487287090
- 1831700590
- 1932368487
- 1215271374