ALEXANDRA VIALONGA MD
NPI 1982346599
Internal Medicine in New York, NY

Active since April 13, 2022PECOS EnrolledAccepts Medicare Assignment
250 W 57TH ST FL 15, NEW YORK, NY 10107(212) 523-4000 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 2, 2026, Aug 23, 2022, Apr 13, 2022 (3 updates tracked since 2022).

About Alexandra Vialonga Md NPPES

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

ALEXANDRA VIALONGA MD (NPI 1982346599) is an individual internal medicine provider in New York, New York, licensed in New Jersey (25MA12481900) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Carepoint Health - Bayonne Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1982346599
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALEXANDRA VIALONGACredential: MD
Location Address250 W 57TH ST FL 15New York, NY 10107-1307
Mailing Address250 W 57th St Fl 15New York, NY 10107-1307
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 13, 2022
Last NPPES UpdateMarch 2, 20263 updates tracked since enumeration
NPPES CertifiedMarch 2, 2026
NPI 1982346599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NJ · 25MA12481900
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 25MA12481900 (NJ)
250 W 57TH ST FL 15, New York, NY 10107

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alexandra Vialonga 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.

PECOS PAC ID2365970134
PECOS Enrollment IDI20250107001848
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Carepoint Health - Bayonne Medical Center

Acute Care Hospitals · Bayonne, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310025
Location29 East 29th StBayonne, NJ 07002 · Hudson County

Carepoint Health-Hoboken University Medical Center

Acute Care Hospitals · Hoboken, NJ
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number310040
Location308 Willow AveHoboken, NJ 07030 · Hudson County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10107 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
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.

Student in an Organized Health Care Education/Training Program
250 W 57TH ST FL 15
NEW YORK, NY 10107
Student in an Organized Health Care Education/Training Program
250 W 57TH ST FL 15
NEW YORK, NY 10107
Student in an Organized Health Care Education/Training Program
250 W 57TH ST FL 15
NEW YORK, NY 10107
Student in an Organized Health Care Education/Training Program
250 W 57TH ST FL 15
NEW YORK, NY 10107
Emergency Medicine
250 W 57TH ST FL 15
NEW YORK, NY 10107
Emergency Medicine
250 W 57TH ST FL 15
NEW YORK, NY 10107
Nurse Practitioner
250 W 57TH ST FL 15
NEW YORK, NY 10107
Emergency Medicine
250 W 57TH ST FL 15
NEW YORK, NY 10107

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 Vialonga's NPI number?

The NPI number for Alexandra Vialonga is 1982346599. It was assigned to this individual provider in the NPPES registry on April 13, 2022.

Where is Alexandra Vialonga located?

Alexandra Vialonga practices at 250 W 57th St Fl 15, New York, NY 10107. The listed phone number is (212) 523-4000.

What is Alexandra Vialonga's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alexandra Vialonga enrolled in Medicare?

Yes. Alexandra Vialonga 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.

Is Alexandra Vialonga affiliated with any hospitals?

According to CMS data, Alexandra Vialonga is affiliated with Carepoint Health - Bayonne Medical Center and Carepoint Health-Hoboken University Medical Center.

When was this NPI record last updated?

The NPPES record for Alexandra Vialonga was last updated on March 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.