Doctor profile · Federal record
Dr. Erin Duff, N.P.
Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Knox, IN
- NPI 1629329867
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
104 E Culver RD Ste 102
Knox, IN 465342241
(574) 772-7918
fax (574) 772-0894 - Additional location
-
1919 Lake Ave Ste 102
Plymouth, IN 465637830
(574) 948-5070
fax (574) 948-5493 - Additional location
-
2855 Miller Dr Ste 119
Plymouth, IN 465638091
(574) 941-1000 - Mailing address
-
2022 Kelle Dr
Chesterton, IN 463048708
Credentials & registration
- NPI registered
- September 2012 — 14 yrs on file
- Profile last updated
- December 14, 2022
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Indiana #71004187A · Indiana #28172170A
- Medicaid
- IN #201116160
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629329867. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
469
Distinct HCPCS
4
Medicare allowed
$41,264
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 365 | 206 | $101 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 63 | 62 | $11 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 21 | $69 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 16 | 16 | $131 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 116. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$227
Transactions
11
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 4 | $73.60 | |
| Boston Scientific Corporation | 1 | $57.87 | |
| Merck Sharp & Dohme LLC | 3 | $45.96 | |
| Novo Nordisk Inc | 2 | $29.30 | |
| SCPHARMACEUTICALS INC. | 1 | $20.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,098
Patients
540
Total drug cost
$147,369
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 135 | 68 | $1,981 |
| Metoprolol Succinate | Generic | 123 | 58 | $3,126 |
| Ezetimibe | Generic | 100 | 53 | $6,684 |
| Amlodipine Besylate | Generic | 89 | 43 | $626 |
| Losartan Potassium | Generic | 82 | 39 | $706 |
| Carvedilol | Generic | 78 | 38 | $921 |
| Nitroglycerin | Generic | 65 | 49 | $1,183 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 64 | 28 | $1,275 |
| Eliquis (Apixaban) | Brand | 57 | 29 | $74,260 |
| Furosemide | Generic | 55 | 26 | $278 |
Hospital affiliations
Frequently asked questions
What is Dr. Erin Duff's medical specialty?
Dr. Erin Duff practices Family Nurse Practitioner in Knox, IN.
Where does Dr. Erin Duff practice?
Dr. Erin Duff practices at 104 E Culver RD Ste 102, Knox, IN 465342241. Office phone: 5747727918.
What is Dr. Erin Duff's NPI?
Dr. Erin Duff's National Provider Identifier (NPI) is 1629329867, issued by NPPES.
Does Dr. Erin Duff accept Medicare assignment?
Yes. Dr. Erin Duff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin Duff commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.