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MRS. EWA BARBARA CHAUVIN NP
NPI 1649474966
Nurse Practitioner - Adult Health in New York, NY

Active since June 12, 2007PECOS Enrolled
1275 YORK AVE, NEW YORK, NY 10065(212) 639-8599(646) 422-1094 Get Directions Write a Review

NPPES record last updated: September 1, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Ewa Barbara Chauvin Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. EWA BARBARA CHAUVIN NP (NPI 1649474966) is an individual adult health provider in New York, New York, licensed in New York (303361) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649474966
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. EWA BARBARA CHAUVINCredential: NP
Location Address1275 YORK AVENew York, NY 10065-6007
Mailing Address243 E 38th St, Apt. 4bNew York, NY 10016-2723 · (212) 661-0145 · Fax (212) 604-6029
Phone(212) 639-8599
Fax(646) 422-1094
Sole ProprietorNo
Enumeration DateJune 12, 2007
Last NPPES UpdateSeptember 1, 2010
✔ NPI 1649474966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NY · 303361
1275 YORK AVE, New York, NY 10065
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Ewa Barbara Chauvin Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Ewa Chauvin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mskcc Clinical Practice Plan
Same address
Medical Oncology
1275 YORK AVE
New York, NY 10065
  • Reassigned Medicare billing, New York enrollment
  • 248 clinicians in this Medicare group
NPI 1588789341 (212) 639-2000
Memorial Hematology Lymphoma Group
Same address
Hematology & Oncology
1275 YORK AVE
New York, NY 10065
  • Reassigned Medicare billing, New York enrollment
  • 428 clinicians in this Medicare group
NPI 1891766366 (646) 227-3813

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 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MRS. ZANA CORREA NP
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
New York County (646) 422-4450
MS. NICOLE NOELLE REYNOLDS NP
Nurse Practitioner (Acute Care)
1275 YORK AVE
NEW YORK, NY 10065
New York County (212) 682-7326
MRS. SHARLENE SEECHARRAN RN, NP
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
New York County (212) 639-2203
CHRISTINA MADINABEITIA DURNEY
Nurse Practitioner (Pediatrics)
1275 YORK AVE
NEW YORK, NY 10065
New York County (212) 639-5164
ALISON GAIL MASSEY ANP
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
New York County (212) 639-2000
MICHAEL SCORDO
Internal Medicine (Hematology & Oncology)
1275 YORK AVE
NEW YORK, NY 10065
New York County (212) 639-2000
AMPARO G CAMACHO NP
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
New York County (646) 422-4417
DR. INES NIKOLOVSKI MBBS
Special Hospital
1275 YORK AVE, MEMORIAL SLOAN KETTERING CANCER CENTRE
NEW YORK, NY 10065
New York County (212) 639-2000

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 Ewa Chauvin's NPI number?

The NPI number for Ewa Chauvin is 1649474966. It was assigned to this individual provider in the NPPES registry on June 12, 2007.

Where is Ewa Chauvin located?

Ewa Chauvin practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 639-8599.

What is Ewa Chauvin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Ewa Chauvin enrolled in Medicare?

Yes. Ewa Chauvin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ewa Chauvin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ewa Chauvin reassigns Medicare benefits to 2 organizations: Mskcc Clinical Practice Plan (New York, NY) and Memorial Hematology Lymphoma Group (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 Ewa Chauvin'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 Ewa Chauvin was last updated on September 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.