Merlina Constantine, DNP
Psychiatric/Mental Health Nurse Practitioner · Baltimore, MD
Merlina Constantine, DNP is a psychiatric/mental health nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1942164868, issued on Dec 15, 2025. Check the license (Maryland R254853, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Merlina Constantine
- Credential
- DNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- R254853 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10 Heartwood CT, Baltimore, MD 21234
- Phone
- (347) 351-1067
- Enumerated
- Dec 15, 2025
- Record last updated
- Mar 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20260217001369); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,373 in Maryland → Look up another NPI →
Verify Merlina Constantine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R254853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Integrahealth LLCBaltimore, MD
- Spiritual HealingBaltimore, MD
- Toller Enterprises, LLCBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merlina Constantine among 2,373 psychiatric/mental health nurse practitioner records in Maryland
Merlina Constantine, DNP 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 2025, is newer than 85% of them.
- NPI issued2025 · 85% of these records are older, 5% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2025 · median 2021 among the 1,409 with a school on file
- Record last updated2026 · 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.
All 2,373 in Maryland → Every provider in Baltimore → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Clara AbitParkville, MD 212341053921551
- Vasty AdadeParkville, MD 212341760058069
- Okpenze Ballard, PMHNPParkville, MD 212341699552463
- Pamela DoveParkville, MD 212341316586662
- Roszina Holmes, NURSE PRACTITIONERParkville, MD 212341386992055
- Nkechi Jiabana, CRNP-PMHParkville, MD 212341194331934
- Mercy KannoParkville, MD 212341134838006
- Regina Karanja, AC-CRNP-PMHParkville, MD 212341982350484
Common questions
What is Merlina Constantine, DNP's NPI number?
Merlina Constantine, DNP's National Provider Identifier (NPI) is 1942164868, issued on Dec 15, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Merlina Constantine, DNP located?
The NPPES record lists a practice address at 10 Heartwood CT, Baltimore, MD, 21234. Phone: (347) 351-1067. Providers update this record themselves, so call before visiting.
How can I verify Merlina Constantine, DNP's license?
NPPES lists Maryland license number R254853, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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.