DR. AARON FELIX ALEXANDER-BLOCH M.D., PH.D.
NPI 1023405180
Psychiatry & Neurology - Psychiatry in Philadelphia, PA

Active since April 16, 2015
3400 SPRUCE STREET, GATES BUILDING 10TH FLOOR, PHILADELPHIA, PA 19134(215) 662-2826(215) 662-2434 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 6, 2025, Nov 2, 2020 (2 updates tracked since 2020).

About Dr. Aaron Felix Alexander-bloch M.d., Ph.d. NPPES

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

DR. AARON FELIX ALEXANDER-BLOCH M.D., PH.D. (NPI 1023405180) is an individual psychiatry provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD469148) and active in the NPI registry since April 2015.

NPPES Registry Identity

NPI1023405180
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. AARON FELIX ALEXANDER-BLOCHCredential: M.D., PH.D.
Location Address3400 SPRUCE STREET, GATES BUILDING 10TH FLOORPhiladelphia, PA 19134-4222
Mailing Address3400 Spruce StPhiladelphia, PA 19104-4238 · (215) 662-2826 · Fax (215) 662-2434
Fax(215) 662-2434
Sole ProprietorYes
Enumeration DateApril 16, 2015
Last NPPES UpdateNovember 6, 20252 updates tracked since enumeration
NPPES CertifiedNovember 6, 2025
NPI 1023405180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in PA · MD469148
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.
3400 SPRUCE STREET, Philadelphia, PA 19134

Other Providers at the Same Location NPPES

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

Psychiatry & Neurology (Psychiatry)
3400 SPRUCE STREET, GATES BUILDING 10TH FLOOR
PHILADELPHIA, PA 19134

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 Aaron Alexander-bloch's NPI number?

The NPI number for Aaron Alexander-bloch is 1023405180. It was assigned to this individual provider in the NPPES registry on April 16, 2015.

Where is Aaron Alexander-bloch located?

Aaron Alexander-bloch practices at 3400 Spruce Street Gates Building 10th Floor, Philadelphia, PA 19134. The listed phone number is (215) 662-2826.

What is Aaron Alexander-bloch'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 Aaron Alexander-bloch was last updated on November 6, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.