NPPES file of Aug 9, 2026

Justin Leahy

Psychiatric/Mental Health Nurse Practitioner · Baltimore, MD

Justin Leahy is a psychiatric/mental health nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1134599475, issued on Sep 29, 2015. Check the license (Maryland R198201, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134599475
Name
Justin Leahy
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
R198201 MD
Self-reported in NPPES; status is on the state search
Practice location
2225 N Charles St, Baltimore, MD 21218
Phone
(410) 562-2867
Enumerated
Sep 29, 2015
Record last updated
Sep 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2225 N Charles St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Braxton Andrews, LCPCProfessional Counselor1538392907
  2. Vivian Archibong, LCSW-CClinical Social Worker1235340266
  3. Lynda Astle, LCPCMental Health Counselor1275696205
  4. Wardell Barksdale, LGSWAddiction (Substance Use Disorder) Counselor1780968172
  5. Brian Brady, CRNP-PMHPsychiatric/Mental Health Nurse Practitioner1225613094
  6. Rita Cabatac, RNRegistered Nurse1619119005

Verify Justin Leahy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R198201
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

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93% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

64 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Justin Leahy64
  2. Specialty average906

Most prescribed

  1. Adzenys Xr-Odt11 claims
  2. Bupropion Xl11 claims
  3. Trintellix11 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.

Justin Leahy among 2,373 psychiatric/mental health nurse practitioner records in Maryland

Justin Leahy 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 2015, is newer than 19% of them.

  • NPI issued2015 · 19% of these records are older, 78% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2015 · 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).

429 psychiatric/mental health nurse practitioner records list a practice address in Baltimore

They are 429 of the 35,183 NPPES records with a practice address in Baltimore, and 2,373 psychiatric/mental health nurse practitioner records in Maryland.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Lydia Asafo-AgyeiBaltimore, MD 212181265103089
  2. Ruth Atta, CRNP-PMHBaltimore, MD 212181407487101
  3. Brian Brady, CRNP-PMHBaltimore, MD 212181225613094
  4. Valencia Fairley, PMHNP-BCBaltimore, MD 212181518621200
  5. Aminata Kamara, NPBaltimore, MD 212181558942995
  6. James Luciuk, CRNPBaltimore, MD 212181639117591
  7. Paula Mascendaro, APRNBaltimore, MD 212181033220710
  8. Francis Oduah, PMHNPBaltimore, MD 212181790180727

Common questions

What is Justin Leahy's NPI number?

Justin Leahy's National Provider Identifier (NPI) is 1134599475, issued on Sep 29, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Justin Leahy located?

The NPPES record lists a practice address at 2225 N Charles St, Baltimore, MD, 21218. Phone: (410) 562-2867. Providers update this record themselves, so call before visiting.

How can I verify Justin Leahy's license?

NPPES lists Maryland license number R198201, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Justin Leahy prescribe under Medicare Part D?

In 2024, Justin Leahy had 64 Medicare Part D claims; 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.