Doctor profile · Federal record
Dr. Mary Beth Walker, FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Saint Louis, MO
- NPI 1003309147
- Accepts Medicare
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
615 S New Ballas RD
Saint Louis, MO 631418221
(314) 251-6000
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Missouri #2018013788
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003309147. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
78
Distinct HCPCS
1
Medicare allowed
$5,149
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 78 | 63 | $66 |
In context: peer comparison
Among 146 peers in Saint Louis Family Nurse Practitioner, average services per provider: 97. This provider delivers 0.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Mary Beth Walker's medical specialty?
Dr. Mary Beth Walker practices Family Nurse Practitioner in Saint Louis, MO.
Where does Dr. Mary Beth Walker practice?
Dr. Mary Beth Walker practices at 615 S New Ballas RD, Saint Louis, MO 631418221. Office phone: 3142516000.
What is Dr. Mary Beth Walker's NPI?
Dr. Mary Beth Walker's National Provider Identifier (NPI) is 1003309147, issued by NPPES.
Does Dr. Mary Beth Walker accept Medicare assignment?
Yes. Dr. Mary Beth Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Beth Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.