MAHMOUD YAZIED DWEIK MD
NPI 1285193235
Psychiatry & Neurology - Psychiatry in Brooklyn, NY
About Mahmoud Yazied Dweik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAHMOUD YAZIED DWEIK MD (NPI 1285193235) is an individual psychiatry provider in Brooklyn, New York, licensed in New York (317738) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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
Mahmoud Yazied Dweik Md 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.
Medicare Billing Reassignments
4Medicare enrollment records show Mahmoud Dweik reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11215
- Reassigned Medicare billing, New York enrollment
- 1,029 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 32 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 385 clinicians in this Medicare group
Ansonia, CT 06401
- Reassigned Medicare billing, Connecticut enrollment
- 83 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11215
BROOKLYN, NY 11215
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 Mahmoud Dweik's NPI number?
The NPI number for Mahmoud Dweik is 1285193235. It was assigned to this individual provider in the NPPES registry on March 19, 2019.
Where is Mahmoud Dweik located?
Mahmoud Dweik practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (718) 780-3148.
What is Mahmoud Dweik's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mahmoud Dweik enrolled in Medicare?
Yes. Mahmoud Dweik 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 Mahmoud Dweik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mahmoud Dweik reassigns Medicare benefits to 4 organizations: Kings Physician Services, PC (Brooklyn, NY), Hamaspik Of Kings County (Brooklyn, NY), Icahn School Of Medicine At Mount Sinai (New York, NY) and Bhcare, Inc. (Ansonia, CT). 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 Mahmoud Dweik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mahmoud Dweik accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas, Cigna HealthCare of Florida, Inc., Cigna Healthcare and Oscar Health and 2 other insurers list Mahmoud Dweik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mahmoud Dweik was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.
# Mahmoud Yazied Dweik, MD · NPI 1285193235
Psychiatry physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since March 19, 2019.
## Identity
- **NPI:** 1285193235 (Entity type: Individual)
- **Enumerated:** March 19, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 317738 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 506 6TH ST, Brooklyn, NY 11215-3609
- **Phone:** (718) 780-3148
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Kings Physician Services, PC (NPI 1083045090, Brooklyn, NY); Hamaspik Of Kings County (NPI 1700120888, Brooklyn, NY); Icahn School Of Medicine At Mount Sinai (NPI 1033482518, New York, NY); Bhcare, Inc. (NPI 1306042700, Ansonia, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 23, 2026
- **Other identifiers:** Medicaid 07374752 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1285193235) · Data from the CMS NPPES public registry.