DR. WILLIAM MARK OLCOTT M.D.
NPI 1164725206
Psychiatry & Neurology - Child & Adolescent Psychiatry in New York, NY

Q: What is William Olcott's NPI number?

The NPI number for William Olcott is 1164725206. It was assigned to this individual provider in the NPPES registry on December 12, 2010.

Q: What is William Olcott's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: When was this NPI record last updated?

The NPPES record for William Olcott was last updated on December 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since December 12, 2010

815 PARK AVE, 1B, NEW YORK, NY 10021(212) 794-0952(212) 639-1439 Get Directions Write a Review

NPPES record last updated: December 12, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. William Mark Olcott M.d. NPPES

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

DR. WILLIAM MARK OLCOTT M.D. (NPI 1164725206) is an individual child & adolescent psychiatry provider in New York, New York, licensed in New York (215371) and active in the NPI registry since December 2010.

NPPES Registry Identity

NPI1164725206

Entity TypeIndividualMale

Primary Taxonomy2084P0804X

Provider Legal NameDR. WILLIAM MARK OLCOTTCredential: M.D.

Location Address815 PARK AVE, 1BNew York, NY 10021-3295

Mailing Address815 Park Ave, 1bNew York, NY 10021-3295 · (212) 794-0952 · Fax (212) 639-1439

Phone(212) 794-0952

Fax(212) 639-1439

Sole ProprietorYes

Enumeration DateDecember 12, 2010

✔ NPI 1164725206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in NY · 215371

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

815 PARK AVE, New York, NY 10021

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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

METROPOLITAN PLASTIC SURGERY SERVICE INC

Plastic Surgery

815 PARK AVE
NEW YORK, NY 10021

New York County (718) 672-2824

ZOLTAN I SAARY MD PC

Obstetrics & Gynecology

815 PARK AVE
NEW YORK, NY 10021

New York County (212) 744-0300

SAMUEL L PAUKER M.D.

Psychiatry & Neurology (Psychiatry)

815 PARK AVE, SUITE 1B
NEW YORK, NY 10021

New York County (212) 737-6330

ZOLTAN I SAARY MD PC

Specialist

815 PARK AVE
NEW YORK, NY 10021

New York County (212) 744-0300

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 William Olcott's NPI number?

The NPI number for William Olcott is 1164725206. It was assigned to this individual provider in the NPPES registry on December 12, 2010.

Where is William Olcott located?

William Olcott practices at 815 Park Ave 1B, New York, NY 10021. The listed phone number is (212) 794-0952.

What is William Olcott's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

When was this NPI record last updated?

The NPPES record for William Olcott was last updated on December 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.