Doctor profile · Federal record
Dr. Floyd Elftman, FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Greenfield, WI
- NPI 1275656597
- Accepts Medicare
- MIPS 99.2 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4131 W Loomis RD, Suite 300
Greenfield, WI 532212057
(414) 325-7246
fax (414) 325-3770
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- November 21, 2014
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Wisconsin #1697-033
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275656597. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
715
Distinct HCPCS
2
Medicare allowed
$67,210
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 625 | 167 | $99 | |
80307 |
Testing for presence of drug, by chemistry analyzers | 90 | 82 | $59 |
In context: peer comparison
Among 4 peers in Greenfield Family Nurse Practitioner, average services per provider: 94. This provider delivers 7.6× the peer median.Open Payments
Industry payments received
All-time total
$199
Transactions
11
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Collegium Pharmaceutical, INC. | 7 | $132.33 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $48.78 | |
| Ibsa Pharma INC. | 1 | $17.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,850
Patients
822
Total drug cost
$170,834
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 1,481 | 212 | $47,576 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 835 | 138 | $32,540 |
| Oxycodone Hcl | Generic | 638 | 113 | $16,899 |
| Gabapentin | Generic | 331 | 66 | $6,388 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 296 | 46 | $5,246 |
| Tizanidine Hcl | Generic | 255 | 58 | $2,915 |
| Pregabalin | Generic | 227 | 38 | $8,624 |
| Tramadol Hcl | Generic | 196 | 33 | $2,423 |
| Meloxicam | Generic | 164 | 31 | $441 |
| Lidocaine | Generic | 91 | 30 | $9,574 |
Frequently asked questions
What is Dr. Floyd Elftman's medical specialty?
Dr. Floyd Elftman practices Family Nurse Practitioner in Greenfield, WI.
Where does Dr. Floyd Elftman practice?
Dr. Floyd Elftman practices at 4131 W Loomis RD, Greenfield, WI 532212057. Office phone: 4143257246.
What is Dr. Floyd Elftman's NPI?
Dr. Floyd Elftman's National Provider Identifier (NPI) is 1275656597, issued by NPPES.
Does Dr. Floyd Elftman accept Medicare assignment?
Yes. Dr. Floyd Elftman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Floyd Elftman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Testing for presence of drug, by chemistry analyzers (HCPCS 80307). Source: CMS Medicare Physician & Other Practitioners file.