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

Q: 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.

Q: What is Alexander Richardson's specialty?

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

Active since March 29, 2022

109 W 27TH ST RM 5S, NEW YORK, NY 10001(917) 634-5311(888) 815-3583 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 29, 2026, Sep 16, 2026, Sep 3, 2026 (3 updates tracked since 2026).

On this page

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 2 additional practice locations.

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 AddressPo Box 24449New York, NY 10087-0589 · (833) 351-8255 · Fax (888) 815-3583

Phone(917) 634-5311

Fax(888) 815-3583

Sole ProprietorNo

Enumeration DateMarch 29, 2022

Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 29, 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✔ Licensed in KY · 62501

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

Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 W Winter St., Suite 200 (Private Office 202)Delaware, OH 43015 · Phone (917) 634-5311 · Fax (888) 815-3583

Location 22300 Litton Lane, Suite 250 (Private Office 214)Hebron, KY 41048 · Phone (917) 634-5311 · Fax (888) 815-3583

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. KENNETH ZON MD

Psychiatry & Neurology (Psychiatry)