Doctor profile · Federal record
Dr. Joseph Nicholas, M.D.
Family Medicine Physician (CMS: Family Practice) · Greenfield, WI
- NPI 1528094588
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4448 W. Loomis RD., Ste 100
Greenfield, WI 532204851
(414) 281-5150
fax (414) 281-5767 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- June 25, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Wisconsin #49329-020
- Medicaid
- WI #34871200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528094588. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
867
Distinct HCPCS
10
Medicare allowed
$73,352
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 257 | 135 | $115 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 117 | 117 | $118 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 92 | 65 | $83 | |
G0108 |
Diabetes outpatient self-management training services, individual, per 30 minutes | 70 | 23 | $52 | |
83036 |
Hemoglobin a1c level | 66 | 39 | $9 | |
G0008 |
Administration of influenza virus vaccine | 65 | 63 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 57 | 55 | $72 | |
93793 |
Anticoagulant management of patient taking warfarin | 54 | 22 | $10 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 22 | 22 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 21 | 21 | $29 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 52. This provider delivers 17× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,300
Patients
922
Total drug cost
$209,231
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 558 | 165 | $8,069 |
| Amlodipine Besylate | Generic | 293 | 95 | $1,972 |
| Metoprolol Succinate | Generic | 268 | 77 | $5,184 |
| Pantoprazole Sodium | Generic | 228 | 69 | $4,283 |
| Losartan Potassium | Generic | 220 | 65 | $3,453 |
| Lisinopril | Generic | 217 | 62 | $1,495 |
| Levothyroxine Sodium | Generic | 208 | 53 | $3,904 |
| Gabapentin | Generic | 207 | 53 | $4,453 |
| Eliquis (Apixaban) | Brand | 176 | 36 | $162,189 |
| Tamsulosin Hcl | Generic | 170 | 46 | $2,584 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Nicholas's medical specialty?
Dr. Joseph Nicholas practices Family Medicine Physician in Greenfield, WI.
Where does Dr. Joseph Nicholas practice?
Dr. Joseph Nicholas practices at 4448 W. Loomis RD., Greenfield, WI 532204851. Office phone: 4142815150.
What is Dr. Joseph Nicholas's NPI?
Dr. Joseph Nicholas's National Provider Identifier (NPI) is 1528094588, issued by NPPES.
Does Dr. Joseph Nicholas accept Medicare assignment?
Yes. Dr. Joseph Nicholas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Nicholas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.