Siemay Chang Lee, MD
NPI 1497966824ActiveIndividual· Internal Medicine· Greeley, CO
Internal Medicine (MD) in Greeley, Colorado, trained at Tulane University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $938,039 for 10,353 claims, against $55,612 paid for services in 2024.
Overview
| NPI | 1497966824 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 25, 2007 |
| Last updated in NPPES | Aug 20, 2020 |
| Certified by provider | Aug 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | DR.0052999 | CO |
| Internal Medicine | 207R00000X | 11789 | NV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 1,218 across 33 procedure codes |
| Paid by Medicare | $55,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,353 · 22,896 30-day fills |
|---|---|
| Patients | 697 |
| Total drug cost | $938,039 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Poudre Valley Medical Group LLCDenver, CO · 2,440 clinicians
Hospital affiliations
- Banner North Colorado Medical CenterGreeley, CO
- Medical Center of the RockiesLoveland, CO
- Poudre Valley HospitalFort Collins, CO
- Uchealth Greeley HospitalGreeley, CO
Other facilities
- Accentcare Home Health of Mountain Valley LLCHome health agency · Denver, CO
- Banner Home Care ColoradoHome health agency · Greeley, CO
- Optimal Home Care LovelandHome health agency · Loveland, CO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 internal medicine physicians in Greeley · All internal medicine physicians in Colorado