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

ALEXANDER RICHARDSON MD
NPI 1023758299
Psychiatry & Neurology - Psychiatry in New York, NY

Active since March 29, 2022
109 W 27TH ST RM 5S, NEW YORK, NY 10001(716) 241-1004 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Alexander Richardson Md NPPES

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

ALEXANDER RICHARDSON MD (NPI 1023758299) is an individual psychiatry provider in New York, New York, licensed in New York (330964) and active in the NPI registry since March 2022. He maintains a secondary practice location in Delaware.

NPPES Registry Identity

NPI1023758299
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameALEXANDER RICHARDSONCredential: MD
Location Address109 W 27TH ST RM 5SNew York, NY 10001-6208
Mailing Address109 W 27th St Rm 5sNew York, NY 10001-6208
Sole ProprietorNo
Enumeration DateMarch 29, 2022
Last NPPES UpdateSeptember 3, 2026
NPPES CertifiedSeptember 3, 2026
NPI 1023758299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses Licensed in NY · 330964 Licensed in OH · 35.157106
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
109 W 27TH ST RM 5S, New York, NY 10001

Secondary Practice Location 1

Location 11 W Winter St., Suite 200 (Private Office 202)Delaware, OH 43015 · Phone (716) 241-1004

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.

Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
109 W 27TH ST RM 5S
NEW YORK, NY 10001
Nurse Practitioner (Psychiatric/Mental Health)
109 W 27TH ST RM 5S
NEW YORK, NY 10001

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 Alexander Richardson's NPI number?

The NPI number for Alexander Richardson is 1023758299. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Where is Alexander Richardson located?

Alexander Richardson practices at 109 W 27th St Rm 5S, New York, NY 10001. The listed phone number is (716) 241-1004.

What is Alexander Richardson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Alexander Richardson was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.