MS. ALESSIA FIELD MD
NPI 1639797178
Student in an Organized Health Care Education/Training Program in Brooklyn, NY
About Ms. Alessia Field Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ALESSIA FIELD MD (NPI 1639797178) is an individual student in an organized health care education/training program in Brooklyn, New York and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, is affiliated with Crouse Hospital, and is a graduate of Other (2020).
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
Ms. Alessia Field 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 Alessia Field reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Syracuse, NY 13210
- Reassigned Medicare billing, New York enrollment
- 66 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.
Crouse Hospital
Acute Care Hospitals · Syracuse, NYUniversity Hospital S U N Y Health Science Center
Acute Care Hospitals · Syracuse, NYFrequently 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 Alessia Field's NPI number?
The NPI number for Alessia Field is 1639797178. It was assigned to this individual provider in the NPPES registry on July 10, 2020.
Where is Alessia Field located?
Alessia Field practices at 450 Clarkson Ave Suny Downstate Department Of Obstetrics And Gynecology-Msc24, Brooklyn, NY 11203. The listed phone number is (718) 270-2081.
What is Alessia Field's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Alessia Field enrolled in Medicare?
Yes. Alessia Field 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 Alessia Field's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alessia Field reassigns Medicare benefits to University Ob/Gyn Associates (Syracuse, 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 Alessia Field's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alessia Field affiliated with any hospitals?
According to CMS data, Alessia Field is affiliated with Crouse Hospital and University Hospital S U N Y Health Science Center.
When was this NPI record last updated?
The NPPES record for Alessia Field was last updated on December 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ms. Alessia Field, MD · NPI 1639797178
Student in an Organized Health Care Education/Training Program provider in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since July 10, 2020.
## Identity
- **NPI:** 1639797178 (Entity type: Individual)
- **Enumerated:** July 10, 2020
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 450 CLARKSON AVE SUNY DOWNSTATE, DEPARTMENT OF OBSTETRICS AND GYNECOLOGY-MSC24, Brooklyn, NY 11203-2012
- **Phone:** (718) 270-2081
## 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:** University Ob/Gyn Associates (NPI 1235170150, Syracuse, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** December 7, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1639797178) · Data from the CMS NPPES public registry.