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DR. NICHOLAS FLETCHER CASTELLANOS MD
NPI 1013840214
Student in an Organized Health Care Education/Training Program in New York, NY

Active since June 05, 2026
462 1ST AVE, NEW YORK, NY 10016(212) 562-4141 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Nicholas Fletcher Castellanos Md NPPES

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

DR. NICHOLAS FLETCHER CASTELLANOS MD (NPI 1013840214) is an individual student in an organized health care education/training program in New York, New York and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1013840214
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. NICHOLAS FLETCHER CASTELLANOSCredential: MD
Location Address462 1ST AVENew York, NY 10016-9196
Mailing Address179 Orchard St Apt 10New York, NY 10002-1488 · (205) 907-8197
Phone(212) 562-4141
Sole ProprietorNo
Enumeration DateJune 5, 2026
NPPES CertifiedJune 5, 2026
✔ NPI 1013840214 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

462 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. MELISSA W HULL M.D.
Anesthesiology
462 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-6343
SAPANA J SHAH MD, MPH
Internal Medicine
462 1ST AVE, BELLEVUE AMBULATORY CARE PAVILION 2ND FLOOR
NEW YORK, NY 10016
New York County (212) 562-1686
DR. RICHARD STANLEY LEFLEUR M.D.
Radiology (Diagnostic Radiology)
462 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-0050
DR. ERIC MITCHELL LEIBERT M.D.
Internal Medicine (Pulmonary Disease)
462 1ST AVE, 7 NORTH 24
NEW YORK, NY 10016
New York County (212) 263-6479
MR. VADIM KAZIYEV PA
Physician Assistant (Surgical)
462 1ST AVE, 10 SOUTH 1
NEW YORK, NY 10016
New York County (212) 562-2227
DR. JULIE ANN PROBST-RIORDAN M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
462 1ST AVE, BELLEVUE HOSPITAL DEPT OF MEDICINE NBV 16SOUTH12
NEW YORK, NY 10016
New York County (212) 263-0422
MS. NANCY JANE MURAKAMI LCSW
Social Worker (Clinical)
462 1ST AVE, CD745
NEW YORK, NY 10016
New York County (347) 549-3975
DR. AMITASRIGOWRI SREENIVASA MURTHY MD, MPH
Obstetrics & Gynecology
462 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-1404

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 Nicholas Castellanos's NPI number?

The NPI number for Nicholas Castellanos is 1013840214. It was assigned to this individual provider in the NPPES registry on June 5, 2026.

Where is Nicholas Castellanos located?

Nicholas Castellanos practices at 462 1st Ave, New York, NY 10016. The listed phone number is (212) 562-4141.

What is Nicholas Castellanos's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Nicholas Castellanos was last updated on June 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.