Provider Profile
Listed in the NPI registry as a nurse practitioner — family, Mari E. Parker, FNP-BC practices in Leesburg, VA. According to Medicare claims data, Mari cared for 1,053 Medicare patients across 1,522 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month, and ultrasound measurement of bladder capacity after voiding.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
224D CORNWALL ST NW STE 106
Leesburg, VA 20176
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
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Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
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Most searched procedures
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Chronic condition care
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Diagnostic screening
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Ear, nose & throat
Heart health
Hormones & endocrine
Injections
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Minor procedures
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1,522 services · 1,053 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
272 | More often than most peers in Nurse Practitioner, Family |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
97 | More often than most peers in Nurse Practitioner, Family |
| Injection procedure to cause erection | Procedure | 54235 |
15 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
314 | More often than most peers in Nurse Practitioner, Family |
| Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99426 |
272 | More often than most peers in Nurse Practitioner, Family |
| Urinalysis, manual test | Lab test | 81002 |
271 | More than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
205 | More often than most peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
36 | More often than most peers in Nurse Practitioner, Family |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
20 | Less often than most peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
20 | As often as other peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mari E. Parker is a nurse practitioner in Leesburg, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Mari E. Parker is listed at 224D Cornwall St Nw Ste 106, Leesburg, VA 20176. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (703) 955-5329. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mari E. Parker's National Provider Identifier is 1093066284. 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
Mari E. Parker attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
Mari E. Parker has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mari E. Parker performs procedures including ultrasound measurement of bladder capacity after voiding, insertion of needle into vein for collection of blood sample and injection procedure to cause erection, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mari E. Parker. 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.