Max Akihiro Macmillan, MD
NPI 1295355303ActiveIndividual· Internal Medicine· La Mesa, CA
Internal Medicine (MD) in La Mesa, California, trained at University of California, San Diego School of Medicine (class of 2020). 94 Medicare patients in 2024, $21,731 paid; nearly all of their 143 Part D prescriptions were generic (90%). Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 6 companies reporting payments in 2025, $386.93 in all, mostly food and beverage.
Overview
| NPI | 1295355303 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2020 |
| Last updated in NPPES | Aug 26, 2024 |
| Certified by provider | Aug 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A186038 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 271 across 22 procedure codes |
| Paid by Medicare | $21,731 |
Part D prescriptions in 2024
| Prescriptions (claims) | 143 · 233 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $11,022 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
| Telehealth | Offers telehealth |
Medical group
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Hospital affiliations
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
- Scripps Mercy HospitalSan Diego, CA
Other facilities
- Jtc Home Health IncHome health agency · San Diego, CA
Industry payments (Open Payments)
- 2025$386.93 · 19 payments from 6 companies
- 2024$123.97 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $97.78 | 5 |
| Astrazeneca Pharmaceuticals LP | $74.68 | 4 |
| Amgen Inc. | $73.54 | 3 |
| Pfizer Inc. | $65.79 | 3 |
| Lilly USA, LLC | $42.75 | 2 |
What the 2025 payments were for
- Food and Beverage$386.93 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 91 internal medicine physicians in La Mesa · All internal medicine physicians in California