Doctor profile · Federal record
Dr. Alexandra Walker, PA-C
Physician Assistant · Washington, DC
- NPI 1134642903
- Accepts Medicare
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
900 23Rd St Nw
Washington, DC 200372342
(202) 715-4000
fax (202) 715-4015 - Additional location
-
110 Irving St Nw
Washington, DC 200103017
(202) 877-5287 - Mailing address
-
220 Century Pl Apt 3417
Alexandria, VA 223047509
Credentials & registration
- NPI registered
- July 2017 — 9 yrs on file
- Profile last updated
- December 5, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- District of Columbia #PA031372
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134642903. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
20
Distinct HCPCS
1
Medicare allowed
$4,017
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 20 | 11 | $201 |
In context: peer comparison
Among 67 peers in Washington Physician Assistant, average services per provider: 57. This provider delivers 0.4× the peer median.Frequently asked questions
What is Dr. Alexandra Walker's medical specialty?
Dr. Alexandra Walker practices Physician Assistant in Washington, DC.
Where does Dr. Alexandra Walker practice?
Dr. Alexandra Walker practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2027154000.
What is Dr. Alexandra Walker's NPI?
Dr. Alexandra Walker's National Provider Identifier (NPI) is 1134642903, issued by NPPES.
Does Dr. Alexandra Walker accept Medicare assignment?
Yes. Dr. Alexandra Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Walker commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.