Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C
Adult Health Nurse Practitioner · Oxon Hill, MD
Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C is an adult health nurse practitioner with a practice address in Oxon Hill, Maryland, and NPI 1295503829, issued on Dec 13, 2023. Check the license (Maryland R228560, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Wallace
- Credential
- DNP, CRNP, A-GNP-C
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- R228560 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6178 Oxon Hill RD, Oxon Hill, MD 20745
- Phone
- (301) 292-9220
- Enumerated
- Dec 13, 2023
- Record last updated
- Dec 13, 2023
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 902 in Maryland → Look up another NPI →
Also registered at 6178 Oxon Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley JeffersFamily Nurse Practitioner1871962449
- Brynda LucasCounselor1548452931
- Lurlene Sweeney, LCPC, NCCProfessional Counselor1245448919
Verify Mary Elizabeth Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R228560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
699 Medicare Part D claims for 142 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 102 claims were for opioids.
Most prescribed
- Oxycodone Hcl41 claims
- Gabapentin31 claims
- Sertraline Hcl31 claims
- Tramadol Hcl27 claims
- Clonazepam19 claims
- Duloxetine Hcl17 claims
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.
Mary Elizabeth Wallace among 902 adult health nurse practitioner records in Maryland
Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C is one of 902 adult health nurse practitioner records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 91% of them.
- NPI issued2023 · 91% of these records are older, 5% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Maryland
There are 902 adult health nurse practitioner records in Maryland.
All 902 in Maryland → Every provider in Oxon Hill → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Claire McKenzie, NURSE PRACTITIONERFort Washington, MD 207441386392751
- Christina Walker, CRNPFort Washington, MD 207441003382433
- Koosha AdhamTemple Hills, MD 207481255951547
- Gail Cavallo, CRNPTemple Hills, MD 207481871651778
- Donna Jacobs, NPCollege Park, MD 207421306061338
- Diane Orth, CRNPCollege Park, MD 207421699894311
- Maria Perrotta, CRNPCollege Park, MD 207421619005964
- Marian Jones, CRNPRiverdale, MD 207371366760571
Common questions
What is Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C's NPI number?
Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C's National Provider Identifier (NPI) is 1295503829, issued on Dec 13, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C located?
The NPPES record lists a practice address at 6178 Oxon Hill RD, Oxon Hill, MD, 20745. Phone: (301) 292-9220. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C's license?
NPPES lists Maryland license number R228560, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C prescribe under Medicare Part D?
In 2024, Mary Elizabeth Wallace, DNP, CRNP, A-GNP-C had 699 Medicare Part D claims for 142 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.