Doctor profile · Federal record
Dr. Christopher Irwin, M.D
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Fort Sam Houston, TX
- NPI 1033506191
- Accepts Medicare
- MIPS 89.2 / 100 · 2023
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
(916) 210-2338 - Additional location
-
1320 Maplewood Ave
Ronceverte, WV 249708016
(304) 647-4411 - Mailing address
-
3551 Roger Brooke Drive, Quality Services/7Th Floor Attn: McHe-Zqq
Fort Sam Houston, TX 782344504
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- November 7, 2023
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Nebraska #29445 · West Virginia #32890
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033506191. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,455
Distinct HCPCS
9
Medicare allowed
$274,882
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,225 | 389 | $114 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 475 | 224 | $76 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 320 | 284 | $166 | |
99239 |
Hospital discharge day management, more than 30 minutes | 249 | 223 | $110 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 72 | 23 | $102 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 56 | 17 | $71 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 | $125 | |
99238 |
Hospital discharge day management, 30 minutes or less | 22 | 22 | $77 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 11 | 11 | $175 |
In context: peer comparison
Among 2 peers in Fort Sam Houston Internal Medicine Physician, average services per provider: 247. This provider delivers 9.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Christopher Irwin's medical specialty?
Dr. Christopher Irwin practices Internal Medicine Physician in Fort Sam Houston, TX.
Where does Dr. Christopher Irwin practice?
Dr. Christopher Irwin practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 782344504. Office phone: 9162102338.
What is Dr. Christopher Irwin's NPI?
Dr. Christopher Irwin's National Provider Identifier (NPI) is 1033506191, issued by NPPES.
Does Dr. Christopher Irwin accept Medicare assignment?
Yes. Dr. Christopher Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Irwin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.