MATTHEW S. DAI MD
NPI 1174020135
Internal Medicine - Clinical Cardiac Electrophysiology in Brooklyn, NY
About Matthew S. Dai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW S. DAI MD (NPI 1174020135) is an individual clinical cardiac electrophysiology provider in Brooklyn, New York, licensed in New York (306503) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Matthew S. Dai 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 Reassignment
Medicare enrollment records show Matthew Dai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Matthew Dai's NPI number?
The NPI number for Matthew Dai is 1174020135. It was assigned to this individual provider in the NPPES registry on April 6, 2018.
Where is Matthew Dai located?
Matthew Dai practices at 2310 65th St Ste 2, Brooklyn, NY 11204. The listed phone number is (718) 998-0100.
What is Matthew Dai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Matthew Dai enrolled in Medicare?
Yes. Matthew Dai 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 organization bills Medicare for Matthew Dai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Dai reassigns Medicare benefits to New York University (Boynton Beach, FL). The 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 Matthew Dai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Dai affiliated with any hospitals?
According to CMS data, Matthew Dai is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Matthew Dai was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.
# Matthew S. Dai, MD · NPI 1174020135
Clinical Cardiac Electrophysiology physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since April 6, 2018.
## Identity
- **NPI:** 1174020135 (Entity type: Individual)
- **Enumerated:** April 6, 2018
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** 306503 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2310 65TH ST STE 2, Brooklyn, NY 11204-4089
- **Phone:** (718) 998-0100
## 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:** New York University (NPI 1285826438, Boynton Beach, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 1, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1174020135) · Data from the CMS NPPES public registry.