Doctor profile · Federal record
Dr. Brenna Zack, ACNP
Nurse Practitioner · Gerontology Nurse Practitioner · Saint Louis, MO
- NPI 1699307231
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div Im Hospitalist
Saint Louis, MO 631101003
(314) 362-1700
fax (314) 362-9878 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- February 2020 — 6 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Missouri #2020005013
- Medicaid
- MO #420081763
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699307231. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
193
Distinct HCPCS
3
Medicare allowed
$15,960
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 95 | 44 | $67 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 64 | 37 | $99 | |
99239 |
Hospital discharge day management, more than 30 minutes | 34 | 34 | $96 |
In context: peer comparison
Among 112 peers in Saint Louis Nurse Practitioner, average services per provider: 76. This provider delivers 2.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$92
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 11 | 0 | $92 |
Hospital affiliations
Frequently asked questions
What is Dr. Brenna Zack's medical specialty?
Dr. Brenna Zack practices Nurse Practitioner in Saint Louis, MO.
Where does Dr. Brenna Zack practice?
Dr. Brenna Zack practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143621700.
What is Dr. Brenna Zack's NPI?
Dr. Brenna Zack's National Provider Identifier (NPI) is 1699307231, issued by NPPES.
Does Dr. Brenna Zack accept Medicare assignment?
Yes. Dr. Brenna Zack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brenna Zack commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.