Than N. Oo, MD
NPI 1184673709ActiveIndividual· Internal Medicine, Nephrology· Kalamazoo, MI
Internal Medicine, Nephrology (MD) with Paragon Health PC, practicing in Kalamazoo, Michigan. In 2024 Medicare paid $82,360 for 285 patients, and Part D covered 899 of their prescriptions, 89% of them generic. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $134.33 in all, mostly food and beverage. Lists Borgess Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1184673709 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 10, 2006 |
| Last updated in NPPES | Nov 9, 2023 |
| Certified by provider | Nov 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 4301067357 | MI |
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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 285 |
|---|---|
| Services billed | 744 across 16 procedure codes |
| Paid by Medicare | $82,360 |
Part D prescriptions in 2024
| Prescriptions (claims) | 899 · 1,683 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $122,893 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Paragon Health PCKalamazoo, MI · 53 clinicians
Hospital affiliations
- Borgess Medical CenterKalamazoo, MI
- Bronson Battle Creek HospitalBattle Creek, MI
- Bronson Methodist HospitalKalamazoo, MI
- Hillsdale HospitalHillsdale, MI
- Oaklawn HospitalMarshall, MI
Other facilities
- Fmc - Battle Creek NorthDialysis facility · Battle Creek, MI
- Fmc - HillsdaleDialysis facility · Jonesville, MI
Industry payments (Open Payments)
- 2025$134.33 · 6 payments from 4 companies
- 2024$49.50 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $70.91 | 3 |
| Travere Therapeutics, Inc. | $25.93 | 1 |
| Boston Scientific Corporation | $23.49 | 1 |
| Fresenius USA Marketing, Inc. | $14.00 | 1 |
What the 2025 payments were for
- Food and Beverage$134.33 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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