Quick answers
- Which hospitals does Than Oo work at?
- Medicare's official clinician data lists Than Oo at 5 hospitals: Borgess Medical Center, Bronson Battle Creek Hospital, Bronson Methodist Hospital, Hillsdale Hospital and Oaklawn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Than Oo see patients?
- Medicare's clinician data lists 8 practice locations, including Kalamazoo, MI, Marshall, MI and Battle Creek, MI. Call before your visit to confirm the address.
- What is Than Oo's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
- Does Than Oo accept Medicare assignment?
- Yes. Medicare's clinician data says Than Oo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Than Oo offer telehealth?
- Medicare's clinician data says Than Oo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Than Oo?
- (269) 226-7000, as listed in official Medicare / NPI Registry data.
- What is Than Oo's NPI number?
- 1184673709. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Than Oo works
Medicare's Facility Affiliation Data lists Than Oo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Borgess Medical CenterKalamazoo, MI · Acute Care Hospital · CCN 230117
- Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospital · CCN 230075
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · CCN 230017
- Hillsdale HospitalHillsdale, MI · Acute Care Hospital · CCN 230037
- Oaklawn HospitalMarshall, MI · Acute Care Hospital · CCN 230217
Practice locations
Addresses where Than Oo is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1521 Gull RdKalamazoo, MI 49048 (269) 226‑7000
- 200 N Madison St, Oaklawn HospitalMarshall, MI 49068 (269) 789‑7023
- 220 E Goodale Ave, Davita Battle CreekBattle Creek, MI 49037 (269) 968‑8401
- 233 E RooseveltBattle Creek, MI 49037
- 2845 Capital Ave SW, Fresenius Battle Creek SouthBattle Creek, MI 49015 (269) 979‑8865
Group practices
Medicare enrollment lists Than Oo as a member of this group (CMS data updated 2026-10-02).
- Paragon Health PC53 clinicians in the group
Specialties
- Internal Medicineprimary
- Nephrologyalso
Other internal medicine doctors in Kalamazoo
Clinicians with the same Medicare primary specialty in Kalamazoo, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1184673709 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians