ALEXANDRA LIVANOS MD, PHD
NPI 1184019424
Internal Medicine - Gastroenterology in New York, NY
About Alexandra Livanos Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA LIVANOS MD, PHD (NPI 1184019424) is an individual gastroenterology provider in New York, New York, licensed in New York (292587) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Alexandra Livanos Md, Phd 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 Alexandra Livanos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 104 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYMount Sinai St Luke's Roosevelt Hospital
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.
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 Alexandra Livanos's NPI number?
The NPI number for Alexandra Livanos is 1184019424. It was assigned to this individual provider in the NPPES registry on April 3, 2015.
Where is Alexandra Livanos located?
Alexandra Livanos practices at 17 E 102nd St, New York, NY 10029. The listed phone number is (212) 241-8100.
What is Alexandra Livanos's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Alexandra Livanos enrolled in Medicare?
Yes. Alexandra Livanos 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 Alexandra Livanos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Livanos reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Alexandra Livanos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexandra Livanos affiliated with any hospitals?
According to CMS data, Alexandra Livanos is affiliated with Mount Sinai Hospital and Mount Sinai St Luke's Roosevelt Hospital.
When was this NPI record last updated?
The NPPES record for Alexandra Livanos was last updated on March 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Alexandra Livanos, MD, PHD · NPI 1184019424
Gastroenterology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 3, 2015.
## Identity
- **NPI:** 1184019424 (Entity type: Individual)
- **Enumerated:** April 3, 2015
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 292587 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 17 E 102ND ST, New York, NY 10029-5204
- **Phone:** (212) 241-8100 · **Fax:** (646) 537-8921
## 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:** Icahn School Of Medicine At Mount Sinai (NPI 1730440777, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** March 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1184019424) · Data from the CMS NPPES public registry.