Doctor profile · Federal record
Dr. Margaret Walker, PA-C
Physician Assistant · Medical Physician Assistant · Seattle, WA
- NPI 1063765741
- Accepts Medicare
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1550 N 115Th St
Seattle, WA 981338401
(206) 520-5000 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- October 2012 — 14 yrs on file
- Profile last updated
- August 2, 2021
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Washington #PA60267720
- Medicaid
- WA #1063765741
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063765741. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
339
Distinct HCPCS
5
Medicare allowed
$27,679
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 186 | 101 | $71 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 84 | 80 | $117 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 35 | 31 | $44 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 17 | 17 | $74 | |
99284 |
Emergency department visit with moderate level of medical decision making | 17 | 17 | $106 |
In context: peer comparison
Among 177 peers in Seattle Physician Assistant, average services per provider: 71. This provider delivers 4.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Margaret Walker's medical specialty?
Dr. Margaret Walker practices Physician Assistant in Seattle, WA.
Where does Dr. Margaret Walker practice?
Dr. Margaret Walker practices at 1550 N 115Th St, Seattle, WA 981338401. Office phone: 2065205000.
What is Dr. Margaret Walker's NPI?
Dr. Margaret Walker's National Provider Identifier (NPI) is 1063765741, issued by NPPES.
Does Dr. Margaret Walker accept Medicare assignment?
Yes. Dr. Margaret Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.