MARY YOUSSEF, MD
NPI 1851098933
Clinic/Center - Adult Mental Health in Ridgewood, NJ
About Mary Youssef, Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY YOUSSEF, MD (NPI 1851098933) is a healthcare organization registered as an adult mental health in Ridgewood, New Jersey and active in the NPI registry since February 2023. The organization lists Mary Youssef, Provider, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 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)
Mary Youssef, Md 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 Mary Youssef, MD, 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 Mary Youssef MD's NPI number?
The NPI number for Mary Youssef MD is 1851098933. It was assigned to this organization in the NPPES registry on February 9, 2023. The provider is doing business as Mary Youssef, MD.
Where is Mary Youssef MD located?
Mary Youssef MD is located at 61 N Maple Ave Ste 304, Ridgewood, NJ 07450. The listed phone number is (201) 857-0988.
What is Mary Youssef MD's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.
Is Mary Youssef MD enrolled in Medicare?
Yes. Mary Youssef MD is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mary Youssef MD?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Mary Youssef MD. 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 Mary Youssef MD was last updated on April 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Mary Youssef, Md · NPI 1851098933
Adult Mental Health organization in Ridgewood, New Jersey. Organization record, active in the CMS NPPES registry since February 9, 2023.
## Identity
- **NPI:** 1851098933 (Entity type: Organization)
- **Enumerated:** February 9, 2023
- **Primary specialty:** Clinic/Center - Adult Mental Health · taxonomy 261QM0850X
- **Legal business name:** Mary Youssef Md
- **Organization subpart:** No
- **Authorized official:** Mary Youssef, PROVIDER
## Practice location
- **Address:** 61 N MAPLE AVE STE 304, Ridgewood, NJ 07450-3232
- **Phone:** (201) 857-0988
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Psychiatry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 12, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1851098933) · Data from the CMS NPPES public registry.