MATTHEW ASHTON
NPI 1740814409
Emergency Medicine in New York, NY
About Matthew Ashton NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW ASHTON (NPI 1740814409) is an individual emergency medicine provider in New York, New York, licensed in New York (335121-01) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Tulane University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 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 Ashton 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
2Medicare enrollment records show Matthew Ashton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 325 clinicians in this Medicare group
New York, NY 10017
- Reassigned Medicare billing, New York enrollment
- 208 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYNy Eye And Ear Infirmary Of Mount Sinai
Acute Care Hospitals · New York, NYMount Sinai Beth Israel
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 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.
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
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 Ashton's NPI number?
The NPI number for Matthew Ashton is 1740814409. It was assigned to this individual provider in the NPPES registry on March 2, 2020.
Where is Matthew Ashton located?
Matthew Ashton practices at 1468 Madison Ave, New York, NY 10029. The listed phone number is (212) 241-6500.
What is Matthew Ashton's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Ashton enrolled in Medicare?
Yes. Matthew Ashton 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 Matthew Ashton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Ashton reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Matthew Ashton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Ashton affiliated with any hospitals?
According to CMS data, Matthew Ashton is affiliated with Mount Sinai Hospital, Ny Eye And Ear Infirmary Of Mount Sinai and Mount Sinai Beth Israel.
When was this NPI record last updated?
The NPPES record for Matthew Ashton was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Matthew Ashton · NPI 1740814409
Emergency Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 2, 2020.
## Identity
- **NPI:** 1740814409 (Entity type: Individual)
- **Enumerated:** March 2, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 335121-01 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1468 MADISON AVE, New York, NY 10029-6508
- **Phone:** (212) 241-6500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1346908662, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1679083984, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** March 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1740814409) · Data from the CMS NPPES public registry.