Amy Lightner Day, M.D.
NPI 1164466173ActiveIndividual· Surgery· Chula Vista, CA
Surgery (M.D.) in Chula Vista, California, trained at University of California, Geffen School of Medicine (class of 1997). 189 Medicare patients in 2024, $67,795 paid; nearly all of their 76 Part D prescriptions were generic (97%). Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $688.73 in all, mostly food and beverage.
Overview
| NPI | 1164466173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Jul 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A71460 | CA |
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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 189 |
|---|---|
| Services billed | 474 across 47 procedure codes |
| Paid by Medicare | $67,795 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 76 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $733.27 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | General Surgery |
Medical group
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Hospital affiliation
- Scripps Green HospitalLa Jolla, CA
Industry payments (Open Payments)
- 2025$688.73 · 13 payments from 3 companies
- 2024$174.64 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $495.76 | 11 |
| Medtronic, Inc. | $102.62 | 1 |
| Mentor Worldwide LLC | $90.35 | 1 |
What the 2025 payments were for
- Food and Beverage$610.91 · 12 payments
- Education$77.82 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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