Doctor profile · Federal record
Dr. Kristy Diffley, Nurse Practitioner
Family Nurse Practitioner (CMS: Nurse Practitioner) · Manassas, VA
- NPI 1154828150
- Accepts Medicare
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
8640 Sudley RD Ste 302
Manassas, VA 201104404
(703) 369-5959 - Additional location
-
75 W Lee Hwy
Warrenton, VA 201862149
(540) 351-0662 - Additional location
-
8988 Fern Park Dr
Burke, VA 22015
(703) 978-6061 - Mailing address
-
Po Box 748613
Atlanta, GA 303848613
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Virginia #0024176464
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154828150. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$689
Transactions
26
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 3 | $144.58 | |
| HEARTFLOW, INC. | 2 | $123.84 | |
| Merck Sharp & Dohme LLC | 3 | $66.27 | |
| Janssen Pharmaceuticals, Inc | 4 | $60.08 | |
| Boston Scientific Corporation | 2 | $58.01 | |
| CVRx, Inc. | 2 | $50.55 | |
| AstraZeneca Pharmaceuticals LP | 2 | $40.37 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $36.19 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 2 | $29.24 | |
| Novo Nordisk Inc | 1 | $26.13 | |
| PFIZER INC. | 1 | $23.15 | |
| SCPHARMACEUTICALS INC. | 1 | $15.40 | |
| Novartis Pharmaceuticals Corporation | 1 | $14.89 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
559
Patients
195
Total drug cost
$52,735
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 76 | 31 | $1,219 |
| Amlodipine Besylate | Generic | 70 | 32 | $440 |
| Furosemide | Generic | 63 | 30 | $274 |
| Atorvastatin Calcium | Generic | 59 | 27 | $654 |
| Carvedilol | Generic | 43 | 18 | $293 |
| Losartan Potassium | Generic | 42 | 14 | $450 |
| Eliquis (Apixaban) | Brand | 38 | 0 | $31,472 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 32 | 18 | $517 |
| Lisinopril | Generic | 29 | 14 | $123 |
| Potassium Chloride | Generic | 20 | 0 | $399 |
Hospital affiliations
Frequently asked questions
What is Dr. Kristy Diffley's medical specialty?
Dr. Kristy Diffley practices Family Nurse Practitioner in Manassas, VA.
Where does Dr. Kristy Diffley practice?
Dr. Kristy Diffley practices at 8640 Sudley RD Ste 302, Manassas, VA 201104404. Office phone: 7033695959.
What is Dr. Kristy Diffley's NPI?
Dr. Kristy Diffley's National Provider Identifier (NPI) is 1154828150, issued by NPPES.
Does Dr. Kristy Diffley accept Medicare assignment?
Yes. Dr. Kristy Diffley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.