MERLINA CONSTANTINE DNP
NPI 1942164868
Nurse Practitioner - Psychiatric/Mental Health in Baltimore, MD

Active since December 15, 2025PECOS EnrolledAccepts Medicare Assignment
10 HEARTWOOD CT, BALTIMORE, MD 21234(347) 351-1067 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 10, 2026, Dec 15, 2025 (2 updates tracked since 2025).

About Merlina Constantine Dnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MERLINA CONSTANTINE DNP (NPI 1942164868) is an individual psychiatric/mental health provider in Baltimore, Maryland, licensed in Maryland (R254853) and active in the NPI registry since December 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1942164868
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMERLINA CONSTANTINECredential: DNP
Location Address10 HEARTWOOD CTBaltimore, MD 21234-3407
Mailing Address10 Heartwood CtBaltimore, MD 21234-3407 · (347) 351-1067
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateDecember 15, 2025
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1942164868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MD · R254853
10 HEARTWOOD CT, Baltimore, MD 21234

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Merlina Constantine Dnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668952839
PECOS Enrollment IDI20260217001369, I20260217001642
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Merlina Constantine reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatric/Mental Health
4700 HARFORD RD
Baltimore, MD 21214
  • Reassigned Medicare billing, Maryland and District of Columbia enrollments
  • Also billed through NPI 1740049568 (District of Columbia)
  • 114 clinicians in this Medicare group
Psychiatric/Mental Health
2232 E MONUMENT ST
Baltimore, MD 21205
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 104 clinicians in this Medicare group
Pain Management
2232 E MONUMENT ST
Baltimore, MD 21205
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 132 clinicians in this Medicare group
Addiction Medicine
40 S DUNDALK AVE STE 400
Dundalk, MD 21222
  • Reassigned Medicare billing, Maryland enrollment
  • 49 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21234 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Merlina Constantine's NPI number?

The NPI number for Merlina Constantine is 1942164868. It was assigned to this individual provider in the NPPES registry on December 15, 2025.

Where is Merlina Constantine located?

Merlina Constantine practices at 10 Heartwood Ct, Baltimore, MD 21234. The listed phone number is (347) 351-1067.

What is Merlina Constantine's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Merlina Constantine enrolled in Medicare?

Yes. Merlina Constantine is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Merlina Constantine's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Merlina Constantine reassigns Medicare benefits to 4 organizations: Integrahealth LLC (Baltimore, MD), Spiritual Healing (Baltimore, MD), Toller Enterprises LLC (Baltimore, MD) and Matclinic Physicians Practice Group LLC (Dundalk, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Merlina Constantine's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Merlina Constantine was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.