Marie Katherine Clark, ACNP
Acute Care Nurse Practitioner · Arlington, VA
Marie Katherine Clark, ACNP is an acute care nurse practitioner with a practice address in Arlington, Virginia, and NPI 1245478833, issued on Feb 4, 2009. Check the license (Virginia 0024000047, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marie Katherine Clark
- Credential
- ACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 0024000047 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1625 N George Mason Dr Ste 288, Arlington, VA 22205
- Phone
- (703) 558-6300
- Enumerated
- Feb 4, 2009
- Record last updated
- Feb 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 931 in Virginia → Look up another NPI →
Also registered at 1625 N George Mason Dr Ste 288
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Megan Lange, CRNPAcute Care Nurse Practitioner1649615758
- Jillian Stewart, MSN, NP-CFamily Nurse Practitioner1033589312
Verify Marie Katherine Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0024000047Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
54 Medicare Part D claims for 14 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $32.59
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marie Katherine Clark among 931 acute care nurse practitioner records in Virginia
Marie Katherine Clark, ACNP is one of 931 acute care nurse practitioner records with a practice address in Virginia. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 12% of them.
- NPI issued2009 · 12% of these records are older, 87% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Virginia
There are 931 acute care nurse practitioner records in Virginia.
All 931 in Virginia → Every provider in Arlington → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Lauren Abate, CRNPArlington, VA 222051306240833
- Lori Brien, NPArlington, VA 222051245455567
- Rebecca Donahue, DNP, APRN-NP & CNSArlington, VA 222051891153276
- Michelle Erli, DNP, RN, ACNPC-AGArlington, VA 222051417486168
- Daniel HaldemanArlington, VA 222051265803910
- Megan Lange, CRNPArlington, VA 222051649615758
- Kara Maceda, ACNP-BC, ANP-BCArlington, VA 222051588956098
- Alexandra Olsen, AGACNP-BCArlington, VA 222051538935903
Common questions
What is Marie Katherine Clark, ACNP's NPI number?
Marie Katherine Clark, ACNP's National Provider Identifier (NPI) is 1245478833, issued on Feb 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Marie Katherine Clark, ACNP located?
The NPPES record lists a practice address at 1625 N George Mason Dr Ste 288, Arlington, VA, 22205. Phone: (703) 558-6300. Providers update this record themselves, so call before visiting.
How can I verify Marie Katherine Clark, ACNP's license?
NPPES lists Virginia license number 0024000047, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Marie Katherine Clark, ACNP prescribe under Medicare Part D?
In 2024, Marie Katherine Clark, ACNP had 54 Medicare Part D claims for 14 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.