Doctor profile · Federal record
Dr. Gregory Spielbauer, MD
Internal Medicine Physician (CMS: Internal Medicine) · Brookfield, WI
- NPI 1609843663
- Accepts Medicare
- MIPS 80.9 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
17000 W North Ave, Suite 200E
Brookfield, WI 530054423
(262) 782-4270
fax (262) 784-9319
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 22, 2011
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Wisconsin #41867
- Medicaid
- WI #32529700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609843663. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,112
Distinct HCPCS
10
Medicare allowed
$106,055
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 372 | 254 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 233 | 161 | $122 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 215 | 215 | $125 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 71 | 64 | $14 | |
71046 |
X-ray of chest, 2 views | 46 | 39 | $20 | |
G0009 |
Administration of pneumococcal vaccine | 43 | 43 | $29 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 40 | 40 | $282 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 25 | 22 | $54 | |
G0008 |
Administration of influenza virus vaccine | 15 | 15 | $29 | |
69209 |
Removal of impacted ear wax by washing | 14 | 13 | $15 |
In context: peer comparison
Among 16 peers in Brookfield Internal Medicine Physician, average services per provider: 91. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,112
Patients
1,742
Total drug cost
$306,619
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 993 | 288 | $12,295 |
| Amlodipine Besylate | Generic | 717 | 206 | $5,264 |
| Lisinopril | Generic | 607 | 170 | $5,069 |
| Rosuvastatin Calcium | Generic | 551 | 154 | $11,421 |
| Olmesartan Medoxomil | Generic | 490 | 148 | $12,172 |
| Levothyroxine Sodium | Generic | 478 | 127 | $8,775 |
| Omeprazole | Generic | 367 | 106 | $7,016 |
| Hydrochlorothiazide | Generic | 326 | 96 | $1,790 |
| Metoprolol Succinate | Generic | 261 | 78 | $4,809 |
| Pantoprazole Sodium | Generic | 259 | 75 | $4,196 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Spielbauer's medical specialty?
Dr. Gregory Spielbauer practices Internal Medicine Physician in Brookfield, WI.
Where does Dr. Gregory Spielbauer practice?
Dr. Gregory Spielbauer practices at 17000 W North Ave, Brookfield, WI 530054423. Office phone: 2627824270.
What is Dr. Gregory Spielbauer's NPI?
Dr. Gregory Spielbauer's National Provider Identifier (NPI) is 1609843663, issued by NPPES.
Does Dr. Gregory Spielbauer accept Medicare assignment?
Yes. Dr. Gregory Spielbauer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Spielbauer 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.