Nancy Lynn Flattem, M.D., M.S.
NPI 1679603518ActiveIndividual· Ophthalmology· Lone Tree, CO
Ophthalmology (M.D., M.S.) in Lone Tree, Colorado, trained at Vanderbilt University School of Medicine (class of 2001). Part D covered 1,358 prescriptions written in 2024, 72% of them generic.
Overview
| NPI | 1679603518 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | No |
| NPI issued | Mar 7, 2007 |
| Last updated in NPPES | Jun 17, 2021 |
| Certified by provider | Jun 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 44763 | CO |
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 - Ophthalmology (CO) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,358 · 2,457 30-day fills |
|---|---|
| Patients | 329 |
| Total drug cost | $86,058 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Ophthalmology |
Medical group
- Colorado Permanente Medical Group PCDenver, CO · 1,327 clinicians
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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