HARMONIOUS HEALTHCARE SERVICES LLC
NPI 1639989775
Clinic/Center - Mental Health (Including Community Mental Health Center) in Hyattsville, MD
About Harmonious Healthcare Services Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARMONIOUS HEALTHCARE SERVICES LLC (NPI 1639989775) is a healthcare organization registered as a mental health (including community mental health center) in Hyattsville, Maryland and active in the NPI registry since January 2025. The organization lists Paul Ateghang, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Harmonious Healthcare 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 Harmonious Healthcare 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 Harmonious Healthcare Services LLC's NPI number?
The NPI number for Harmonious Healthcare Services LLC is 1639989775. It was assigned to this organization in the NPPES registry on January 10, 2025.
Where is Harmonious Healthcare Services LLC located?
Harmonious Healthcare Services LLC is located at 3601 Hamilton St Ste 205, Hyattsville, MD 20782. The listed phone number is (301) 254-5357.
What is Harmonious Healthcare Services LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is Harmonious Healthcare Services LLC enrolled in Medicare?
Yes. Harmonious Healthcare Services LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Harmonious Healthcare Services LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Harmonious Healthcare 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 Harmonious Healthcare Services LLC was last updated on January 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Harmonious Healthcare Services Llc · NPI 1639989775
Mental Health (Including Community Mental Health Center) organization in Hyattsville, Maryland. Organization record, active in the CMS NPPES registry since January 10, 2025.
## Identity
- **NPI:** 1639989775 (Entity type: Organization)
- **Enumerated:** January 10, 2025
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Organization subpart:** No
- **Authorized official:** Paul Ateghang, OWNER
## Practice location
- **Address:** 3601 HAMILTON ST STE 205, Hyattsville, MD 20782-3946
- **Phone:** (301) 254-5357
## 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 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639989775) · Data from the CMS NPPES public registry.