Allison Aka, MD
NPI 1891130100ActiveIndividual· Colon & Rectal Surgery· Loma Linda, CA
Colon & Rectal Surgery (MD) in Loma Linda, California, trained at Loma Linda University School of Medicine (class of 2013). 68 Medicare patients in 2024, $31,294 paid; nearly all of their 87 Part D prescriptions were generic (98%). Applied Medical Resources Corporation was the largest of 2 companies reporting payments in 2025, $588.56 in all, mostly consulting fees.
Overview
| NPI | 1891130100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2013 |
| Last updated in NPPES | Jun 29, 2023 |
| Certified by provider | Jun 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | A168804 | 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 | 68 |
|---|---|
| Services billed | 174 across 32 procedure codes |
| Paid by Medicare | $31,294 |
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 89 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $3,554 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliation
- Loma Linda University Medical CenterLoma Linda, CA
Industry payments (Open Payments)
- 2025$588.56 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Applied Medical Resources Corporation | $562.50 | 1 |
| Hologic Sales and Service, LLC | $26.06 | 1 |
What the 2025 payments were for
- Consulting Fee$562.50 · 1 payment
- Food and Beverage$26.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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