MARJORIE M DIAZ MD
NPI 1609456763
Emergency Medicine in Bronx, NY
About Marjorie M Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARJORIE M DIAZ MD (NPI 1609456763) is an individual emergency medicine provider in Bronx, New York, licensed in New York (334193) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with United Health Services Hospitals, Inc, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marjorie M Diaz 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
United Health Services Hospitals, Inc
Acute Care Hospitals · Binghamton, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10451 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.
BRONX, NY 10451
BRONX, NY 10451
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 Marjorie Diaz's NPI number?
The NPI number for Marjorie Diaz is 1609456763. It was assigned to this individual provider in the NPPES registry on April 13, 2021.
Where is Marjorie Diaz located?
Marjorie Diaz practices at 234 E 149th St, Bronx, NY 10451. The listed phone number is (718) 579-5000.
What is Marjorie Diaz's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marjorie Diaz enrolled in Medicare?
Yes. Marjorie Diaz 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.
Is Marjorie Diaz affiliated with any hospitals?
According to CMS data, Marjorie Diaz is affiliated with United Health Services Hospitals, Inc.
When was this NPI record last updated?
The NPPES record for Marjorie Diaz was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Marjorie M Diaz, MD · NPI 1609456763
Emergency Medicine physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since April 13, 2021.
## Identity
- **NPI:** 1609456763 (Entity type: Individual)
- **Enumerated:** April 13, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 334193 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 234 E 149TH ST, Bronx, NY 10451-5504
- **Phone:** (718) 579-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1609456763) · Data from the CMS NPPES public registry.