MELLOW HEALTH SERVICES LLC
NPI 1043174238
Nurse Practitioner - Psychiatric/Mental Health in Upper Marlboro, MD
About Mellow Health Services Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELLOW HEALTH SERVICES LLC (NPI 1043174238) is a healthcare organization registered as a psychiatric/mental health in Upper Marlboro, Maryland and active in the NPI registry since December 2025. The organization lists Catherine Nwokeafor, Owner/administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mellow Health Services Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mellow Health Services LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mellow Health Services LLC's NPI number?
The NPI number for Mellow Health Services LLC is 1043174238. It was assigned to this organization in the NPPES registry on December 11, 2025.
Where is Mellow Health Services LLC located?
Mellow Health Services LLC is located at 15601 Humberside Way, Upper Marlboro, MD 20774. The listed phone number is (240) 604-7105.
What is Mellow Health Services LLC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mellow Health Services LLC enrolled in Medicare?
Yes. Mellow Health Services LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mellow Health Services LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Mellow Health Services LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mellow Health Services LLC was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mellow Health Services Llc · NPI 1043174238
Psychiatric/Mental Health organization in Upper Marlboro, Maryland. Organization record, active in the CMS NPPES registry since December 11, 2025.
## Identity
- **NPI:** 1043174238 (Entity type: Organization)
- **Enumerated:** December 11, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Organization subpart:** No
- **Authorized official:** Catherine Nwokeafor, OWNER/ADMINISTRATOR
## Practice location
- **Address:** 15601 HUMBERSIDE WAY, Upper Marlboro, MD 20774-8050
- **Phone:** (240) 604-7105
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1043174238) · Data from the CMS NPPES public registry.