Sunny Lo, D.O.
NPI 1891053187ActiveIndividual· Internal Medicine, Gastroenterology· Arcadia, CA
Internal Medicine, Gastroenterology (D.O.) in Arcadia, California, trained at Western University of Health Sciences College of Dental Med (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $333,314 for 892 claims, against $104,361 paid for services in 2024. Janssen Biotech, Inc. was the largest of 14 companies reporting payments in 2025, $1,951 in all, mostly food and beverage.
Overview
| NPI | 1891053187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 25, 2012 |
| Last updated in NPPES | Aug 14, 2023 |
| Certified by provider | Aug 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 20A13069 | CA |
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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 993 across 36 procedure codes |
| Paid by Medicare | $104,361 |
Part D prescriptions in 2024
| Prescriptions (claims) | 892 · 1,430 30-day fills |
|---|---|
| Patients | 464 |
| Total drug cost | $333,314 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Western University of Health Sciences College of Dental Med |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Gastroenterology |
Hospital affiliations
- Huntington HospitalPasadena, CA
- Usc Arcadia HospitalArcadia, CA
Industry payments (Open Payments)
- 2025$1,951 · 73 payments from 14 companies
- 2024$2,296 · 53 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $480.04 | 16 |
| Ardelyx, Inc. | $402.86 | 14 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $174.86 | 9 |
| Madrigal Pharmaceuticals | $174.84 | 6 |
| Abbvie Inc. | $146.80 | 9 |
What the 2025 payments were for
- Food and Beverage$1,862 · 72 payments
- Education$89.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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