Doctor profile · Federal record
Dr. Mariko Harper, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Seattle, WA
- NPI 1336448513
- Accepts Medicare
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1100 9Th Ave
Seattle, WA 981012756
(206) 341-1111
fax (206) 223-8824 - Additional location
-
1959 Ne Pacific St Rm Bb-527, Box 356421
Seattle, WA 981956421
(206) 543-3605
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- March 17, 2018
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Washington #MD60395120
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336448513. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,293
Distinct HCPCS
10
Medicare allowed
$191,248
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 451 | 362 | $9 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 344 | 322 | $73 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 224 | 130 | $168 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 176 | 166 | $3 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 161 | 149 | $83 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 158 | 100 | $155 | |
93793 |
Anticoagulant management of patient taking warfarin | 150 | 111 | $13 | |
93321 |
Ultrasound of heart blood flow, valves and chambers, follow-up | 146 | 136 | $8 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 137 | 123 | $9 | |
93321 |
Ultrasound of heart blood flow, valves and chambers, follow-up | 133 | 123 | $12 |
In context: peer comparison
Among 40 peers in this city , average services per provider: 87. This provider delivers 38× the peer median.Open Payments
Industry payments received
All-time total
$64,572
Transactions
60
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 56 | $64,284.26 | |
| Medtronic, Inc. | 1 | $129.83 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $109.50 | |
| Novo Nordisk Inc | 1 | $33.69 | |
| Boston Scientific Corporation | 1 | $15.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,966
Patients
643
Total drug cost
$1,427,572
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 373 | 125 | $8,817 |
| Eliquis (Apixaban) | Brand | 279 | 82 | $367,879 |
| Atorvastatin Calcium | Generic | 238 | 79 | $4,147 |
| Rosuvastatin Calcium | Generic | 157 | 53 | $3,355 |
| Camzyos (Mavacamten) | Brand | 115 | 19 | $958,256 |
| Furosemide | Generic | 113 | 50 | $928 |
| Losartan Potassium | Generic | 113 | 40 | $1,559 |
| Carvedilol | Generic | 99 | 31 | $1,032 |
| Amlodipine Besylate | Generic | 98 | 35 | $760 |
| Lisinopril | Generic | 87 | 32 | $720 |
Hospital affiliations
Frequently asked questions
What is Dr. Mariko Harper's medical specialty?
Dr. Mariko Harper practices Cardiovascular Disease Physician in Seattle, WA.
Where does Dr. Mariko Harper practice?
Dr. Mariko Harper practices at 1100 9Th Ave, Seattle, WA 981012756. Office phone: 2063411111.
What is Dr. Mariko Harper's NPI?
Dr. Mariko Harper's National Provider Identifier (NPI) is 1336448513, issued by NPPES.
Does Dr. Mariko Harper accept Medicare assignment?
Yes. Dr. Mariko Harper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariko Harper commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.