Provider Profile
Liisa K. Field, PA-C
Unclaimed ProfileAbout Liisa Field
Liisa K. Field, PA-C is a physician assistant practicing in Warrenton, VA. Liisa trained at George Washington University School of Medicine, graduating in 1999. Liisa is also listed as specializing in physician assistant — medical. Medicare claims data shows Liisa provided 1,317 services to 798 patients. The services billed most often include residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (540) 347-4400
- Email not available
Practice Locations
493 BLACKWELL RD STE 202
Warrenton, VA 20186
Procedures Most Often Billed to Medicare
1,317 services · 798 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
76 | More often than most peers in Physician Assistant |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
29 | More often than most peers in Physician Assistant |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
226 | More often than most peers in Physician Assistant |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
224 | As often as other peers in Physician Assistant |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
141 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
139 | More often than most peers in Physician Assistant |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
99 | As often as other peers in Physician Assistant |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
63 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
59 | More often than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
54 | More often than most peers in Physician Assistant |
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.
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.
Other physician assistants in Warrenton 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in VA who bill this service to Medicare most often.
Common questions
What kind of doctor is Liisa K. Field?
Liisa K. Field is a physician assistant in Warrenton, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Liisa K. Field's address?
Liisa K. Field is listed at 493 Blackwell Rd Ste 202, 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 Liisa K. Field?
The number on file is (540) 347-4400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Liisa K. Field?
Liisa K. Field's National Provider Identifier is 1215921911. 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 Liisa K. Field train?
Liisa K. Field attended George Washington University School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Liisa K. Field have?
Liisa K. Field has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Liisa K. Field perform?
According to Medicare billing data, Liisa K. Field performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Liisa K. Field's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Liisa K. Field. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.