ALEXANDRA ALFIERO MD
NPI 1629650890
Obstetrics & Gynecology in New York, NY
About Alexandra Alfiero Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA ALFIERO MD (NPI 1629650890) is an individual obstetrics & gynecology provider in New York, New York, licensed in New York (336423) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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 Alfiero 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 Alexandra Alfiero 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
- 134 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10028 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 6
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 Alfiero's NPI number?
The NPI number for Alexandra Alfiero is 1629650890. It was assigned to this individual provider in the NPPES registry on April 26, 2021.
Where is Alexandra Alfiero located?
Alexandra Alfiero practices at 234 E 85th St Fl 3, New York, NY 10028. The listed phone number is (716) 323-0631.
What is Alexandra Alfiero's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alexandra Alfiero enrolled in Medicare?
Yes. Alexandra Alfiero 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 Alfiero's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Alfiero 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 Alfiero's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexandra Alfiero was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Alexandra Alfiero, MD · NPI 1629650890
Obstetrics & Gynecology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 26, 2021.
## Identity
- **NPI:** 1629650890 (Entity type: Individual)
- **Enumerated:** April 26, 2021
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 336423 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 234 E 85TH ST FL 3, New York, NY 10028-3001
- **Phone:** (716) 323-0631
## 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 1124392212, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** April 7, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1629650890) · Data from the CMS NPPES public registry.