Doctor profile · Federal record
Dr. William Pierson, M.D.
Psychiatry Physician (CMS: Psychiatry) · Bellevue, WA
- NPI 1528357001
- Accepts Medicare
- MIPS 79.2 / 100 · 2023
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1750 112Th Ave Ne, Suite B102
Bellevue, WA 980043752
(425) 688-5460
fax (425) 739-4667
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- June 28, 2016
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Washington #MD60554339
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528357001. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
171
Distinct HCPCS
2
Medicare allowed
$16,536
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 147 | 57 | $102 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 24 | 17 | $63 |
In context: peer comparison
Among 11 peers in Bellevue Psychiatry Physician, average services per provider: 125. This provider delivers 1.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,061
Patients
210
Total drug cost
$23,993
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lamotrigine | Generic | 109 | 25 | $2,049 |
| Trazodone Hcl | Generic | 106 | 31 | $1,964 |
| Quetiapine Fumarate | Generic | 97 | 25 | $2,687 |
| Clonazepam | Generic | 86 | 17 | $722 |
| Buspirone Hcl | Generic | 73 | 20 | $2,432 |
| Olanzapine | Generic | 71 | 0 | $2,607 |
| Lorazepam | Generic | 68 | 15 | $845 |
| Fluoxetine Hcl | Generic | 66 | 18 | $1,111 |
| Bupropion Xl (Bupropion Hcl) | Brand | 64 | 14 | $1,892 |
| Duloxetine Hcl | Generic | 62 | 11 | $1,841 |
Hospital affiliations
Frequently asked questions
What is Dr. William Pierson's medical specialty?
Dr. William Pierson practices Psychiatry Physician in Bellevue, WA.
Where does Dr. William Pierson practice?
Dr. William Pierson practices at 1750 112Th Ave Ne, Bellevue, WA 980043752. Office phone: 4256885460.
What is Dr. William Pierson's NPI?
Dr. William Pierson's National Provider Identifier (NPI) is 1528357001, issued by NPPES.
Does Dr. William Pierson accept Medicare assignment?
Yes. Dr. William Pierson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Pierson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.