Than T. Aung, MD
NPI 1578504841ActiveIndividual· Internal Medicine· Redding, CA
Internal Medicine (MD) in Redding, California, licensed in CA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $2,117,807 for 27,407 claims, against $823,636 paid for services in 2024. Novo Nordisk Inc was the largest of 19 companies reporting payments in 2025, $1,484 in all, mostly food and beverage. Lists Mercy Medical Center Redding and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1578504841 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Jul 18, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 00A616100 | 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 | 1,810 |
|---|---|
| Services billed | 11,139 across 43 procedure codes |
| Paid by Medicare | $823,636 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27,407 · 51,886 30-day fills |
|---|---|
| Patients | 1,407 |
| Total drug cost | $2,117,807 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Mercy Medical Center ReddingRedding, CA
- Oroville HospitalOroville, CA
- Shasta Regional Medical CenterRedding, CA
- St Elizabeth Community HospitalRed Bluff, CA
- Trinity HospitalWeaverville, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · Redding, CA
- Interim HealthcareHome health agency · Redding, CA
- Mercy Home CareHome health agency · Redding, CA
- Northstar Healthcare ServicesHome health agency · Sacramento, CA
- Valley View Healthcare Services LLCHome health agency · Chico, CA
- Vibra Hospital of Northern CaliforniaLong-term care hospital · Redding, CA
- Copper Ridge Care CenterNursing home · Redding, CA
- Marquis Care at ShastaNursing home · Redding, CA
- Quartz Hill Post AcuteNursing home · Redding, CA
Industry payments (Open Payments)
- 2025$1,484 · 75 payments from 19 companies
- 2024$2,067 · 123 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $203.63 | 9 |
| Amgen Inc. | $203.35 | 15 |
| Pfizer Inc. | $183.14 | 6 |
| Astrazeneca Pharmaceuticals LP | $135.37 | 11 |
| Abbvie Inc. | $114.12 | 5 |
What the 2025 payments were for
- Food and Beverage$1,464 · 74 payments
- Long term medical supply or device loan$19.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 internal medicine physicians in Redding · All internal medicine physicians in California