Physician Profile
Unclaimed ProfileAbout FERRELL
Listed in the NPI registry as a nurse practitioner, Donald Lannis Ferrell, FNP-C practices in Warrenton, VA. According to Medicare claims data, Donald cared for 542 Medicare patients across 2,461 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (540) 437-5200
- Email not available
Practice Locations
493 BLACKWELL RD STE 101B
Warrenton, VA 20186
Procedures Most Often Billed to Medicare
2,461 services · 542 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
61 |
| Inhalation treatment for airway obstruction or sputum production | Treatment | 94640 |
20 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,858 |
| Injection, ceftriaxone sodium, per 250 mg | Drug given | J0696 |
67 |
| Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme | Drug given | J7620 |
18 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
217 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
102 |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
56 |
| Automated urinalysis test | Lab test | 81003 |
33 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
29 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other nurse practitioners in Warrenton 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Ferrell?
Dr. Ferrell is a nurse practitioner in Warrenton, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
What is Dr. Ferrell's address?
Dr. Ferrell is listed at 493 BLACKWELL RD STE 101B, Warrenton, VA 20186. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ferrell?
The number on file is (540) 437-5200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ferrell's NPI number?
Dr. Ferrell's National Provider Identifier is 1801504634. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Ferrell train?
Dr. Ferrell attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ferrell been practicing?
Dr. Ferrell has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ferrell perform?
According to Medicare billing data, Dr. Ferrell provides treatments such as injection of drug or substance under skin or into muscle and inhalation treatment for airway obstruction or sputum production, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ferrell confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ferrell. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.