Mari E. Parker, FNP-BC
- Medicare patients, 2024
- 466
- Part D claims, 2024
- 926
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Industry payments
- $405
- Practice address
- 19415 Deerfield Ave, Leesburg, VA 20176
- Practice phone
- Call (703) 729-2626
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Loudoun Medical Care
Leesburg, Virginia
Find Mari Parker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mari E. Parker is a family nurse practitioner in Leesburg, Virginia
Mari Parker practices at Loudoun Medical Care in Leesburg, Virginia.
Mari Parker's NPI, 1093066284, was assigned on September 27, 2012. Mari Parker holds Virginia license 0024170395.
- NPI
- 1093066284NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476705047
- NPI enumeration date
- September 27, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (703) 729-2626
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mari E. Parker practices at Loudoun Medical Care in Leesburg, Virginia
Mari Parker's primary practice is Loudoun Medical Care, at 19415 Deerfield Ave, Leesburg, VA 20176 in Loudoun County. The practice phone is (703) 729-2626.
- Loudoun Medical Care19415 Deerfield Ave, Leesburg, VA 20176 · Loudoun CountyPhone(703) 729-2626
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mari E. Parker is affiliated with 5 sites of care and 2 medical groups
Mari Parker's primary practice is Loudoun Medical Care in Leesburg, Virginia. Mari Parker is also affiliated with Inova Loudoun Hospital. The medical group on file is Loudoun Medical Group. Dmand AI also links Mari Parker to 2 more group practices and clinics, 1 physician office and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mari E. Parker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mari Parker practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loudoun Medical Care | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mari E. Parker is one of 4,876 family nurse practitioners in Virginia
Family is Mari Parker's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mari Parker is licensed in Virginia.
Specialties and state licenses
- Family nurse practitioner, VirginiaPrimary
Family nurse practitioners near Mari Parker
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mari E. Parker treated 466 Medicare patients in 2024, average age 77
CMS counts 466 Medicare patients who saw Mari Parker in 2024. The largest group is 65 to 74, with 189 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mari Parker's median patient age at 64, with 27% women.
Mari Parker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mari Parker's Medicare patients by sex, 2024
- Women13729%
- Men32971%
Chronic conditions among Mari Parker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease34%
- Diabetes31%
- Chronic kidney disease29%
- Anxiety26%
- Atrial fibrillation24%
Share of Medicare patients with each condition. A patient can have several.
Mari Parker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women27%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mari E. Parker wrote 926 Medicare Part D claims in 2024
In 2024, Mari Parker wrote 926 Medicare Part D claims for 293 patients. 83% of them were for generic drugs.
Mari Parker's Part D claims by kind of drug, 2024
- Generic764 claims83%
- Brand-name162 claims17%
Drug classes CMS tracks in Mari Parker's Part D claims, 2024
- Antibiotics16%145 of 926 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mari E. Parker scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Mari Parker for performance year 2024, reported through an alternative payment model (APM). Mari Parker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mari Parker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Mari Parker's MIPS scores, performance year 2024
- 93of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Mari E. Parker received $405 in industry payments in 2025
CMS Open Payments shows 16 general payments to Mari Parker from 12 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Antares Pharma, Inc. paid the most, $60.
Companies that paid Mari Parker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mari E. Parker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mari E. Parker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mari E. Parker's NPI number?
Mari E. Parker's NPI number is 1093066284. It was assigned on September 27, 2012, and it is active in the NPI Registry.
What does Mari E. Parker specialize in?
Mari E. Parker is a family nurse practitioner in Leesburg, Virginia. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Mari E. Parker practice?
Mari Parker practices at 19415 Deerfield Ave, Leesburg, VA 20176. Mari Parker's primary practice is Loudoun Medical Care in Leesburg, Virginia. Dmand AI also links Mari Parker to 2 group practices and clinics, 1 physician office and 1 medical group.
What is Mari E. Parker's office phone number?
The practice phone on file for Mari Parker is (703) 729-2626.
What is Mari E. Parker's medical license number?
Mari Parker holds Virginia license 0024170395.
Which hospitals is Mari E. Parker affiliated with?
Mari Parker is affiliated with Inova Loudoun Hospital.
What medical group is Mari E. Parker part of?
Mari Parker is linked to Loudoun Medical Group. Dmand AI links Mari Parker to 1 more medical group.
Does Mari E. Parker accept Medicare?
Yes. CMS lists Mari Parker as accepting Medicare assignment.
Does Mari E. Parker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mari Parker as offering telehealth services.
What is Mari E. Parker's MIPS score?
Mari Parker's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
Show 3 more questionsShow fewer questions
How many Medicare patients does Mari E. Parker see?
CMS counts 466 Medicare patients who saw Mari Parker in 2024, with an average age of 77.
Has Mari E. Parker received payments from drug or device companies?
CMS Open Payments shows $405 in general payments to Mari Parker from 12 companies from 2025 to 2025. The largest total came from Antares Pharma, Inc.
How long has Mari E. Parker been practicing?
Mari Parker graduated from medical school in 2012, 14 years ago.
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