Doctor profile · Federal record
Dr. William Mallott, MD
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · San Antonio, TX
- NPI 1679670624
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4502 Medical Dr
San Antonio, TX 782294402
(210) 358-4000 - Additional location
-
8811 Village Drive
San Antonio, TX 78217
(210) 297-2311
fax (210) 297-2098
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- November 11, 2024
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Texas #L9336
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679670624. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
156
Distinct HCPCS
3
Medicare allowed
$25,762
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 115 | 115 | $164 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 29 | 29 | $166 | |
99285 |
Emergency department visit with high level of medical decision making | 12 | 12 | $171 |
In context: peer comparison
Among 51 peers in San Antonio Hospitalist Physician, average services per provider: 87. This provider delivers 1.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. William Mallott's medical specialty?
Dr. William Mallott practices Hospitalist Physician in San Antonio, TX.
Where does Dr. William Mallott practice?
Dr. William Mallott practices at 4502 Medical Dr, San Antonio, TX 782294402. Office phone: 2103584000.
What is Dr. William Mallott's NPI?
Dr. William Mallott's National Provider Identifier (NPI) is 1679670624, issued by NPPES.
Does Dr. William Mallott accept Medicare assignment?
Yes. Dr. William Mallott accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Mallott commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.