Doctor profile · Federal record
Dr. Mark Muir, M.D.
Surgical Critical Care Physician (CMS: General Surgery) · Surgery Physician · San Antonio, TX
- NPI 1134332422
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4502 Medical Dr
San Antonio, TX 782294402
(210) 358-4000 - Mailing address
-
7703 Floyd Curl Dr, Department Surgery
San Antonio, TX 782293901
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- November 17, 2023
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 2086S0102X — NUCC code
- State license (1)
- Texas #N2675
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134332422. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
111
Distinct HCPCS
4
Medicare allowed
$16,083
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 41 | 28 | $209 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 26 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 19 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 21 | 13 | $116 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 22. This provider delivers 5.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Mark Muir's medical specialty?
Dr. Mark Muir practices Surgical Critical Care Physician in San Antonio, TX.
Where does Dr. Mark Muir practice?
Dr. Mark Muir practices at 4502 Medical Dr, San Antonio, TX 782294402. Office phone: 2103584000.
What is Dr. Mark Muir's NPI?
Dr. Mark Muir's National Provider Identifier (NPI) is 1134332422, issued by NPPES.
Does Dr. Mark Muir accept Medicare assignment?
Yes. Dr. Mark Muir accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Muir commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.