Doctor profile · Federal record
Dr. Gretchen Wagner, MD
Family Medicine Physician (CMS: Family Practice) · Addiction Medicine (Family Medicine) Physician · Greenville, WI
- NPI 1194187864
- Accepts Medicare
- MIPS 94.3 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
W6981 Parkview Dr
Greenville, WI 549428034
(920) 882-2400 - Additional location
-
1121 E North Ave
Milwaukee, WI 532123515
(414) 267-6502
fax (414) 267-3892
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- October 16, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Wisconsin #67986-20
- Medicaid
- WI #100071647
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194187864. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
288
Distinct HCPCS
5
Medicare allowed
$23,500
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 128 | 64 | $120 | |
36415 |
Insertion of needle into vein for collection of blood sample | 82 | 54 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 41 | 41 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 23 | $87 | |
G0008 |
Administration of influenza virus vaccine | 11 | 11 | $9 |
In context: peer comparison
Among 4 peers in Greenville Family Medicine Physician, average services per provider: 37. This provider delivers 7.8× the peer median.Open Payments
Industry payments received
All-time total
$27
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Dynavax Technologies Corporation | 1 | $26.82 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,385
Patients
360
Total drug cost
$29,839
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 218 | 58 | $3,279 |
| Amlodipine Besylate | Generic | 142 | 38 | $1,538 |
| Omeprazole | Generic | 140 | 38 | $2,266 |
| Losartan Potassium | Generic | 122 | 34 | $1,639 |
| Lisinopril | Generic | 102 | 29 | $921 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 89 | 25 | $1,534 |
| Levothyroxine Sodium | Generic | 87 | 24 | $1,519 |
| Metoprolol Succinate | Generic | 76 | 22 | $1,447 |
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 70 | 0 | $10,358 |
| Simvastatin | Generic | 67 | 18 | $845 |
Frequently asked questions
What is Dr. Gretchen Wagner's medical specialty?
Dr. Gretchen Wagner practices Family Medicine Physician in Greenville, WI.
Where does Dr. Gretchen Wagner practice?
Dr. Gretchen Wagner practices at W6981 Parkview Dr, Greenville, WI 549428034. Office phone: 9208822400.
What is Dr. Gretchen Wagner's NPI?
Dr. Gretchen Wagner's National Provider Identifier (NPI) is 1194187864, issued by NPPES.
Does Dr. Gretchen Wagner accept Medicare assignment?
Yes. Dr. Gretchen Wagner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Wagner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.