Doctor profile · Federal record
Dr. Walter Kao, MD
Cardiovascular Disease Physician (CMS: Advanced Heart Failure and Transplant Cardiology) · Madison, WI
- NPI 1457328940
- Accepts Medicare
- MIPS 85.7 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
700 S Park St
Madison, WI 53715
(608) 260-2900
fax (608) 260-2967
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- February 8, 2019
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Wisconsin #47856
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457328940. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
298
Distinct HCPCS
5
Medicare allowed
$34,409
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 105 | 69 | $120 | |
93016 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 72 | 72 | $20 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 64 | 64 | $203 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 42 | 37 | $169 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 15 | 15 | $14 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 112. This provider delivers 2.7× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 1 | $19.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,102
Patients
607
Total drug cost
$234,898
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 534 | 169 | $8,077 |
| Lisinopril | Generic | 289 | 84 | $1,645 |
| Furosemide | Generic | 163 | 46 | $910 |
| Eliquis (Apixaban) | Brand | 156 | 41 | $150,901 |
| Amlodipine Besylate | Generic | 140 | 52 | $920 |
| Valsartan | Generic | 128 | 32 | $4,846 |
| Carvedilol | Generic | 109 | 33 | $941 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 104 | 25 | $1,726 |
| Spironolactone | Generic | 93 | 22 | $745 |
| Atorvastatin Calcium | Generic | 87 | 28 | $877 |
Hospital affiliations
Frequently asked questions
What is Dr. Walter Kao's medical specialty?
Dr. Walter Kao practices Cardiovascular Disease Physician in Madison, WI.
Where does Dr. Walter Kao practice?
Dr. Walter Kao practices at 700 S Park St, Madison, WI 53715. Office phone: 6082602900.
What is Dr. Walter Kao's NPI?
Dr. Walter Kao's National Provider Identifier (NPI) is 1457328940, issued by NPPES.
Does Dr. Walter Kao accept Medicare assignment?
Yes. Dr. Walter Kao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Kao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (HCPCS 93016); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.