Doctor profile · Federal record
Dr. Guinevere Lillie, NP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Fairfax, VA
- NPI 1639704786
- Accepts Medicare
- 6 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8081 Innovation Park Dr
Fairfax, VA 220314867
(571) 472-4724 - Mailing address
-
Po Box 37174
Baltimore, MD 212973174
Credentials & registration
- NPI registered
- March 2020 — 6 yrs on file
- Profile last updated
- May 6, 2022
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Virginia #0024179561 · Virginia #0001271747
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639704786. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
222
Distinct HCPCS
2
Medicare allowed
$27,197
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 158 | 46 | $135 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 42 | $92 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 74. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$297
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 2 | $227.15 | |
| Tempus AI, Inc | 1 | $43.22 | |
| Celgene Corporation | 1 | $26.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
39
Patients
0
Total drug cost
$567
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 15 | 0 | $330 |
| Gabapentin | Generic | 13 | 0 | $113 |
| Oxycodone Hcl | Generic | 11 | 0 | $124 |
Hospital affiliations
Frequently asked questions
What is Dr. Guinevere Lillie's medical specialty?
Dr. Guinevere Lillie practices Family Nurse Practitioner in Fairfax, VA.
Where does Dr. Guinevere Lillie practice?
Dr. Guinevere Lillie practices at 8081 Innovation Park Dr, Fairfax, VA 220314867. Office phone: 5714724724.
What is Dr. Guinevere Lillie's NPI?
Dr. Guinevere Lillie's National Provider Identifier (NPI) is 1639704786, issued by NPPES.
Does Dr. Guinevere Lillie accept Medicare assignment?
Yes. Dr. Guinevere Lillie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guinevere Lillie commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.