Doctor profile · Federal record
Dr. John Askew, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Rochester, MN
- NPI 1568436632
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- August 11, 2020
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Minnesota #47843
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568436632. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
447
Distinct HCPCS
9
Medicare allowed
$15,785
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 88 | 88 | $68 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 81 | 81 | $14 | |
93016 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 80 | 80 | $21 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 60 | 60 | $3 | |
93321 |
Ultrasound of heart blood flow, valves and chambers, follow-up | 49 | 49 | $7 | |
93351 |
Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | 42 | 42 | $81 | |
93308 |
Ultrasound of heart, follow-up | 20 | 20 | $24 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 13 | $177 | |
93356 |
Heart muscle strain imaging | 13 | 13 | $11 |
In context: peer comparison
Among 84 peers in this city , average services per provider: 88. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
245
Patients
23
Total drug cost
$22,889
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 35 | 11 | $928 |
| Metoprolol Succinate | Generic | 34 | 12 | $945 |
| Diltiazem 24hr Er (Cd) (Diltiazem Hcl) | Brand | 27 | 0 | $731 |
| Rosuvastatin Calcium | Generic | 20 | 0 | $986 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 18 | 0 | $1,385 |
| Losartan Potassium | Generic | 17 | 0 | $303 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 16 | 0 | $98 |
| Eliquis (Apixaban) | Brand | 15 | 0 | $14,292 |
| Ezetimibe | Generic | 15 | 0 | $2,411 |
| Lisinopril | Generic | 14 | 0 | $294 |
Hospital affiliations
Frequently asked questions
What is Dr. John Askew's medical specialty?
Dr. John Askew practices Cardiovascular Disease Physician in Rochester, MN.
Where does Dr. John Askew practice?
Dr. John Askew practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. John Askew's NPI?
Dr. John Askew's National Provider Identifier (NPI) is 1568436632, issued by NPPES.
Does Dr. John Askew accept Medicare assignment?
Yes. Dr. John Askew accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Askew commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (HCPCS 93018); Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (HCPCS 93016). Source: CMS Medicare Physician & Other Practitioners file.