Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NELISH ARDESHNA MD
NPI 1467077818
Internal Medicine - Critical Care Medicine in New York, NY

Q: What is Nelish Ardeshna's NPI number?

The NPI number for Nelish Ardeshna is 1467077818. It was assigned to this individual provider in the NPPES registry on June 11, 2020.

Q: What is Nelish Ardeshna's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Nelish Ardeshna was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.

Active since June 11, 2020

550 1ST AVE, NEW YORK, NY 10016(646) 929-7800 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 6, 2023, May 19, 2023, Jun 11, 2020 (3 updates tracked since 2020).

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About Dr. Nelish Ardeshna Md NPPES

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

DR. NELISH ARDESHNA MD (NPI 1467077818) is an individual critical care medicine provider in New York, New York, licensed in New York (342180) and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1467077818

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameDR. NELISH ARDESHNACredential: MD

Location Address550 1ST AVENew York, NY 10016-6402

Mailing Address550 1st AveNew York, NY 10016-6402

Phone(646) 929-7800

Sole ProprietorNo

Enumeration DateJune 11, 2020

Last NPPES UpdateJune 15, 20263 updates tracked since enumeration

NPPES CertifiedJune 15, 2026

✔ NPI 1467077818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in NY · 342180

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License 342180 (NY)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 342180 (NY)

550 1ST AVE, New York, NY 10016

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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.

DR. SHARON URALIL D.O.

Internal Medicine

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-3293

DR. DIANA TREVAS FLEISHER

Emergency Medicine (Pediatric Emergency Medicine)

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-3293

DR. MONICA GUPTA M.D.

Allergy & Immunology

550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016

New York County (212) 263-6397

CHRISTINE CHAN M.D.

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

DR. MATTHEW CHIARELLO MD

Radiology (Vascular & Interventional Radiology)

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

DR. MEGAN ELIZABETH JENKINS M.D.

Surgery

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-7300

DR. MANAN PATEL M.D.

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

VICKY CHIANG

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

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 Nelish Ardeshna's NPI number?

The NPI number for Nelish Ardeshna is 1467077818. It was assigned to this individual provider in the NPPES registry on June 11, 2020.

Where is Nelish Ardeshna located?

Nelish Ardeshna practices at 550 1st Ave, New York, NY 10016. The listed phone number is (646) 929-7800.

What is Nelish Ardeshna's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

When was this NPI record last updated?

The NPPES record for Nelish Ardeshna was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.