Doctor profile · Federal record
Dr. Than Oo, MD
Nephrology Physician (CMS: Internal Medicine) · Kalamazoo, MI
- NPI 1184673709
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
521 E Michigan Ave, Suite 201
Kalamazoo, MI 490073889
(269) 349-6759
fax (269) 349-7450 - Additional location
-
233 Roosevelt Ave E Ste 103
Battle Creek, MI 490372810 - Additional location
-
3271 W Carleton RD
Hillsdale, MI 492429458
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- November 9, 2023
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Michigan #4301067357
- Medicaid (2)
- MI #104481555 · MI #104871612
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184673709. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
882
Distinct HCPCS
10
Medicare allowed
$147,072
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 243 | 37 | $342 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 200 | 155 | $97 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 138 | 80 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 72 | 69 | $126 | |
90935 |
Hemodialysis procedure with physician evaluation | 70 | 45 | $69 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 45 | 45 | $159 | |
81002 |
Urinalysis, manual test | 32 | 31 | $3 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 31 | 14 | $287 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 27 | 26 | $80 | |
90945 |
Dialysis procedure including 1 evaluation | 24 | 11 | $79 |
In context: peer comparison
Among 6 peers in Kalamazoo Nephrology Physician, average services per provider: 88. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$50
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 1 | $25.03 | |
| Amgen INC. | 1 | $24.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
640
Patients
115
Total drug cost
$95,876
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 90 | 30 | $436 |
| Sevelamer Carbonate | Generic | 90 | 26 | $18,556 |
| Amlodipine Besylate | Generic | 85 | 21 | $777 |
| Losartan Potassium | Generic | 70 | 25 | $1,094 |
| Hydralazine Hcl | Generic | 41 | 13 | $1,088 |
| Lisinopril | Generic | 38 | 0 | $160 |
| Potassium Chloride | Generic | 33 | 0 | $776 |
| Calcitriol | Generic | 32 | 0 | $739 |
| Hydrochlorothiazide | Generic | 31 | 0 | $139 |
| Lanthanum Carbonate | Generic | 25 | 0 | $36,634 |
Hospital affiliations
Frequently asked questions
What is Dr. Than Oo's medical specialty?
Dr. Than Oo practices Nephrology Physician in Kalamazoo, MI.
Where does Dr. Than Oo practice?
Dr. Than Oo practices at 521 E Michigan Ave, Kalamazoo, MI 490073889. Office phone: 2693496759.
What is Dr. Than Oo's NPI?
Dr. Than Oo's National Provider Identifier (NPI) is 1184673709, issued by NPPES.
Does Dr. Than Oo accept Medicare assignment?
Yes. Dr. Than Oo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Than Oo commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.