Courtney Marshall
Psychiatric/Mental Health Nurse Practitioner · Crofton, MD
Courtney Marshall is a psychiatric/mental health nurse practitioner with a practice address in Crofton, Maryland, and NPI 1871512350, issued on Jul 18, 2006. Check the license (Maryland R163464, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Courtney Marshall
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- R163464 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2124 Priest Bridge Dr Ste 10, Crofton, MD 21114
- Phone
- (410) 451-3000
- Enumerated
- Jul 18, 2006
- Record last updated
- Jan 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 630-7625
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,373 in Maryland → Look up another NPI →
Verify Courtney Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R163464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,069 Medicare Part D claims for 65 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Desvenlafaxine Succinate Er70 claims
- Lamotrigine65 claims
- Trazodone Hcl61 claims
- Dextroamphetamine-Amphetamine56 claims
- Alprazolam55 claims
- Duloxetine Hcl54 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.
Industry payments in 2024: $417.96
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 23,362 providers of this specialty with any payment received $1,027.77 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.
Courtney Marshall among 2,373 psychiatric/mental health nurse practitioner records in Maryland
Courtney Marshall is one of 2,373 psychiatric/mental health nurse practitioner records with a practice address in Maryland. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 98% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 19% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 psychiatric/mental health nurse practitioner records list a practice address in Crofton
They are 10 of the 488 NPPES records with a practice address in Crofton, and 2,373 psychiatric/mental health nurse practitioner records in Maryland.
All 2,373 in Maryland → Every provider in Crofton → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Sarah Langham, PMHNP-BCCrofton, MD 211141942668785
- Edith Linville, PMHNPCrofton, MD 211141316496326
- Gedeon Longtchi, FNPCrofton, MD 211141689157331
- Gwendolyn Merchant, CRNP-PMHCrofton, MD 211141578844601
- Emefua Njualem, DNPCrofton, MD 211141073108197
- Richard Nkwetta, APRN, PMHNP-BC.Crofton, MD 211141669124731
- Melanie OsefoCrofton, MD 211141629561584
- Mufutiat Oyegunle, PMHNP-BCCrofton, MD 211141386567311
Common questions
What is Courtney Marshall's NPI number?
Courtney Marshall's National Provider Identifier (NPI) is 1871512350, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Courtney Marshall located?
The NPPES record lists a practice address at 2124 Priest Bridge Dr Ste 10, Crofton, MD, 21114. Phone: (410) 451-3000. Providers update this record themselves, so call before visiting.
How can I verify Courtney Marshall's license?
NPPES lists Maryland license number R163464, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Courtney Marshall prescribe under Medicare Part D?
In 2024, Courtney Marshall had 1,069 Medicare Part D claims for 65 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.