Doctor profile · Federal record
Dr. William Maclellan, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Seattle, WA
- NPI 1427077320
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1959 Ne Pacific St, Box 356422
Seattle, WA 981956422
(206) 616-1040
fax (206) 616-4847
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 22, 2013
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- California #G84856
- Medicaid
- CA #00G848560
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427077320. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
578
Distinct HCPCS
8
Medicare allowed
$20,647
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 371 | 269 | $9 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 61 | 60 | $9 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 44 | 24 | $85 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 35 | 15 | $127 | |
99238 |
Hospital discharge day management, 30 minutes or less | 19 | 18 | $87 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 16 | $154 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 16 | $105 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $186 |
In context: peer comparison
Among 40 peers in Seattle Cardiovascular Disease Physician, average services per provider: 87. This provider delivers 6.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
83
Patients
0
Total drug cost
$16,462
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 19 | 0 | $197 |
| Atorvastatin Calcium | Generic | 15 | 0 | $159 |
| Carvedilol | Generic | 15 | 0 | $248 |
| Amlodipine Besylate | Generic | 12 | 0 | $83 |
| Eliquis (Apixaban) | Brand | 11 | 0 | $15,139 |
| Rosuvastatin Calcium | Generic | 11 | 0 | $636 |
Hospital affiliations
Frequently asked questions
What is Dr. William Maclellan's medical specialty?
Dr. William Maclellan practices Cardiovascular Disease Physician in Seattle, WA.
Where does Dr. William Maclellan practice?
Dr. William Maclellan practices at 1959 Ne Pacific St, Seattle, WA 981956422. Office phone: 2066161040.
What is Dr. William Maclellan's NPI?
Dr. William Maclellan's National Provider Identifier (NPI) is 1427077320, issued by NPPES.
Does Dr. William Maclellan accept Medicare assignment?
Yes. Dr. William Maclellan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Maclellan commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.