Doctor profile · Federal record
Dr. Andrew Zack, AA
Anesthesiologist Assistant (CMS: Anesthesiology Assistant) · Saint Louis, MO
- NPI 1427793355
- Accepts Medicare
- 4 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
615 S New Ballas RD
Saint Louis, MO 631418221
(636) 386-9224
fax (636) 386-7679 - Mailing address
-
339 Consort Dr
Ballwin, MO 630114439
Credentials & registration
- NPI registered
- May 2022 — 4 yrs on file
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 367H00000X — NUCC code
- State license (1)
- Missouri #PENDING
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427793355. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
38
Distinct HCPCS
2
Medicare allowed
$2,507
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 23 | 23 | $67 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 15 | 15 | $65 |
In context: peer comparison
Among 33 peers in Saint Louis Anesthesiologist Assistant, average services per provider: 17. This provider delivers 2.2× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Andrew Zack's medical specialty?
Dr. Andrew Zack practices Anesthesiologist Assistant in Saint Louis, MO.
Where does Dr. Andrew Zack practice?
Dr. Andrew Zack practices at 615 S New Ballas RD, Saint Louis, MO 631418221. Office phone: 6363869224.
What is Dr. Andrew Zack's NPI?
Dr. Andrew Zack's National Provider Identifier (NPI) is 1427793355, issued by NPPES.
Does Dr. Andrew Zack accept Medicare assignment?
Yes. Dr. Andrew Zack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Zack commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.