Doctor profile · Federal record
Dr. Brian Mulrennan, MD
Internal Medicine Physician · La Crosse, WI
- NPI 1073515391
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- June 2, 2015
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Wisconsin #26840
- Medicaid
- WI #30817200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073515391. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
108
Distinct HCPCS
3
Medicare allowed
$7,175
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 57 | 30 | $47 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 32 | 15 | $76 | |
99239 |
Hospital discharge day management, more than 30 minutes | 19 | 19 | $109 |
In context: peer comparison
Among 36 peers in this city , average services per provider: 83. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
121
Patients
0
Total drug cost
$17,729
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 33 | 0 | $16,698 |
| Metoprolol Tartrate | Generic | 22 | 0 | $139 |
| Sertraline Hcl | Generic | 17 | 0 | $155 |
| Atorvastatin Calcium | Generic | 15 | 0 | $190 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 12 | 0 | $128 |
| Allopurinol | Generic | 11 | 0 | $246 |
| Omeprazole | Generic | 11 | 0 | $173 |
Frequently asked questions
What is Dr. Brian Mulrennan's medical specialty?
Dr. Brian Mulrennan practices Internal Medicine Physician in La Crosse, WI.
Where does Dr. Brian Mulrennan practice?
Dr. Brian Mulrennan practices at 1836 South Ave, La Crosse, WI 546015429. Office phone: 6087827300.
What is Dr. Brian Mulrennan's NPI?
Dr. Brian Mulrennan's National Provider Identifier (NPI) is 1073515391, issued by NPPES.
What procedures does Dr. Brian Mulrennan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.