Doctor profile · Federal record
Dr. Brian Gerrelts, MD
Surgery Physician · Waterloo, IA
- NPI 1003869397
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1753 W Ridgeway Ave, Ste 107
Waterloo, IA 507014588
(319) 833-5907
fax (319) 833-5908 - Mailing address
-
Po Box 2758
Waterloo, IA 507042758
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 4, 2022
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Iowa #29250
- Medicaid
- IA #1098236
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003869397. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
147
Distinct HCPCS
4
Medicare allowed
$14,192
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 54 | $84 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 49 | 48 | $117 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 24 | 20 | $62 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $154 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 49. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Smith+Nephew, Inc. | 1 | $17.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
79
Patients
79
Total drug cost
$516
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 43 | 43 | $202 |
| Erythromycin (Erythromycin Base) | Brand | 19 | 19 | $275 |
| Neomycin Sulfate | Generic | 17 | 17 | $40 |
Frequently asked questions
What is Dr. Brian Gerrelts's medical specialty?
Dr. Brian Gerrelts practices Surgery Physician in Waterloo, IA.
Where does Dr. Brian Gerrelts practice?
Dr. Brian Gerrelts practices at 1753 W Ridgeway Ave, Waterloo, IA 507014588. Office phone: 3198335907.
What is Dr. Brian Gerrelts's NPI?
Dr. Brian Gerrelts's National Provider Identifier (NPI) is 1003869397, issued by NPPES.
What procedures does Dr. Brian Gerrelts commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.