Doctor profile · Federal record
Dr. Shannon Markus, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Austin, TX
- NPI 1174057889
- Accepts Medicare
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 Red River St
Austin, TX 787011918
(512) 324-7010 - Mailing address
-
4535 Dressler RD Nw
Canton, OH 447182545
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- November 5, 2023
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Texas #T1456
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174057889. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
245
Distinct HCPCS
5
Medicare allowed
$30,161
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 85 | 84 | $176 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 61 | 58 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 47 | 47 | $119 | |
99291 |
Critical care, first 30-74 minutes | 38 | 38 | $214 | |
99283 |
Emergency department visit with low level of medical decision making | 14 | 14 | $73 |
In context: peer comparison
Among 62 peers in Austin Emergency Medicine Physician, average services per provider: 74. This provider delivers 3.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
26
Total drug cost
$253
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 14 | 14 | $132 |
| Dicyclomine Hcl | Generic | 12 | 12 | $121 |
Hospital affiliations
Frequently asked questions
What is Dr. Shannon Markus's medical specialty?
Dr. Shannon Markus practices Emergency Medicine Physician in Austin, TX.
Where does Dr. Shannon Markus practice?
Dr. Shannon Markus practices at 1500 Red River St, Austin, TX 787011918. Office phone: 5123247010.
What is Dr. Shannon Markus's NPI?
Dr. Shannon Markus's National Provider Identifier (NPI) is 1174057889, issued by NPPES.
Does Dr. Shannon Markus accept Medicare assignment?
Yes. Dr. Shannon Markus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shannon Markus commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.