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Edit this profileAt a glance
- 19465 Deerfield Ave Ste 405, Leesburg, VA 20176
About Mary Walker
Mary E. Walker, PA-C is a physician assistant practicing in Leesburg, VA. Mary trained at University of Pittsburgh School of Medicine, graduating in 2012. Medicare claims data shows Mary provided 210 services to 132 patients. The services billed most often include injection, dexamethasone sodium phosphate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1104169549.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (703) 858-1800
- Email not available
Practice Locations
19465 DEERFIELD AVE STE 405
Leesburg, VA 20176
Procedures Most Often Billed to Medicare
210 services · 132 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
15 | Less often than most peers in Physician Assistant |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
12 | Less often than most peers in Physician Assistant |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
80 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
53 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
38 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
12 | Less 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.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 physician assistants in Leesburg 7
Same specialty, same city.
Trained at University of Pittsburgh School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at University of Pittsburgh School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection into tendon or ligament 8
Providers in VA who bill this service to Medicare most often.
Common questions
What does Mary E. Walker specialize in?
Mary E. Walker is a physician assistant in Leesburg, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary E. Walker located?
Mary E. Walker is listed at 19465 Deerfield Ave Ste 405, Leesburg, VA 20176. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary E. Walker's phone number?
The number on file is (703) 858-1800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mary E. Walker?
Mary E. Walker's National Provider Identifier is 1104169549. 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 Mary E. Walker train?
Mary E. Walker attended University of Pittsburgh School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary E. Walker have?
Mary E. Walker has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Mary E. Walker do most often?
According to Medicare billing data, Mary E. Walker performs procedures including injection into tendon or ligament; reads or performs imaging such as x-ray of finger, minimum of 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mary E. Walker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary E. Walker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.