DR. NADIA CAROLINA ORTEGA MD
NPI 1215511100
Emergency Medicine in New York, NY
About Dr. Nadia Carolina Ortega Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NADIA CAROLINA ORTEGA MD (NPI 1215511100) is an individual emergency medicine provider in New York, New York, licensed in Connecticut (81108) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with St Vincent Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Dr. Nadia Carolina Ortega 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
3Medicare enrollment records show Nadia Ortega reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waterbury, CT 06708
- Reassigned Medicare billing, Connecticut enrollment
- 125 clinicians in this Medicare group
North Providence, RI 02904
- Reassigned Medicare billing, Rhode Island enrollment
- 83 clinicians in this Medicare group
Worcester, MA 01608
- Reassigned Medicare billing, Massachusetts enrollment
- 90 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.
St Vincent Hospital
Acute Care Hospitals · Worcester, MARoger Williams Medical Center
Acute Care Hospitals · Providence, RIOur Lady Of Fatima Hospital
Acute Care Hospitals · North Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 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 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
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 Nadia Ortega's NPI number?
The NPI number for Nadia Ortega is 1215511100. It was assigned to this individual provider in the NPPES registry on May 7, 2021.
Where is Nadia Ortega located?
Nadia Ortega practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.
What is Nadia Ortega's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nadia Ortega enrolled in Medicare?
Yes. Nadia Ortega 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 Nadia Ortega's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nadia Ortega reassigns Medicare benefits to 3 organizations: Emergency Physicians Of Connecticut PC (Waterbury, CT), Emergency Care Services Of New England PC (North Providence, RI) and Emergency Physician Associates Of Massachusetts PC (Worcester, MA). 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 Nadia Ortega's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nadia Ortega accept?
Health plans from WellSense Health Plan list Nadia Ortega 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.
Is Nadia Ortega affiliated with any hospitals?
According to CMS data, Nadia Ortega is affiliated with St Vincent Hospital, Roger Williams Medical Center and Our Lady Of Fatima Hospital.
When was this NPI record last updated?
The NPPES record for Nadia Ortega was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Nadia Carolina Ortega, MD · NPI 1215511100
Emergency Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 7, 2021.
## Identity
- **NPI:** 1215511100 (Entity type: Individual)
- **Enumerated:** May 7, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 81108 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 1ST AVE, New York, NY 10016-6402
- **Phone:** (212) 263-5506
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Of Connecticut PC (NPI 1902278906, Waterbury, CT); Emergency Care Services Of New England PC (NPI 1639537335, North Providence, RI); Emergency Physician Associates Of Massachusetts PC (NPI 1730885252, Worcester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2021
## Record status
- **NPPES last updated:** November 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215511100) · Data from the CMS NPPES public registry.