Andrew Havens Ramsey Singleton
NPI 1639312663ActiveIndividual· Surgery, Surgical Critical Care· Pasadena, CA
Surgery, Surgical Critical Care in Pasadena, California, trained at Jefferson Medical College of Thomas Jefferson University (class of 2009). Medicare paid $75,996 for services to 363 patients in 2024. Galderma Laboratories, L.P. reported $16.79 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1639312663 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 6, 2009 |
| Last updated in NPPES | Jun 21, 2020 |
| Certified by provider | Jun 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Critical Care Primary | 2086S0102X | A135966 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 363 |
|---|---|
| Services billed | 941 across 44 procedure codes |
| Paid by Medicare | $75,996 |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | General Surgery |
Medical group
- Desert Trauma Surgeons IncLynwood, CA · 33 clinicians
Hospital affiliations
- Huntington HospitalPasadena, CA
- Saint Francis Medical CenterLynwood, CA
Industry payments (Open Payments)
- 2025$16.79 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $16.79 | 1 |
What the 2025 payments were for
- Food and Beverage$16.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Surgical Critical Care providers in Pasadena
- 1497911804
- 1184938359