Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. HOWARD J AIZENSTEIN MD
NPI 1447222898
Specialist in Pittsburgh, PA

Active since February 01, 2006PECOS Enrolled
3811 OHARA ST, SUITE 274, PITTSBURGH, PA 15213(412) 246-5325 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Howard J Aizenstein Md NPPES

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

DR. HOWARD J AIZENSTEIN MD (NPI 1447222898) is an individual specialist in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD064327L) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447222898
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. HOWARD J AIZENSTEINCredential: MD
Location Address3811 OHARA ST, SUITE 274Pittsburgh, PA 15213-2593
Mailing Address3811 Ohara St, Suite 274Pittsburgh, PA 15213-2593 · (412) 246-5325
Sole ProprietorNo
Enumeration DateFebruary 1, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1447222898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License Licensed in PA · MD064327L
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3811 OHARA ST, Pittsburgh, PA 15213

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Howard J Aizenstein Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Pharmacist
3811 OHARA ST
PITTSBURGH, PA 15213
Social Worker (Clinical)
3811 OHARA ST
PITTSBURGH, PA 15213
Psychiatry & Neurology (Psychiatry)
3811 OHARA ST
PITTSBURGH, PA 15213
Specialist
3811 OHARA ST, SUITE 1135-E
PITTSBURGH, PA 15213
Psychiatry & Neurology (Psychiatry)
3811 OHARA ST
PITTSBURGH, PA 15213
Counselor (Mental Health)
3811 OHARA ST
PITTSBURGH, PA 15213
Counselor (Mental Health)
3811 OHARA ST
PITTSBURGH, PA 15213
Counselor (Addiction (Substance Use Disorder))
3811 OHARA ST
PITTSBURGH, PA 15213

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 Howard Aizenstein's NPI number?

The NPI number for Howard Aizenstein is 1447222898. It was assigned to this individual provider in the NPPES registry on February 1, 2006.

Where is Howard Aizenstein located?

Howard Aizenstein practices at 3811 Ohara St Suite 274, Pittsburgh, PA 15213. The listed phone number is (412) 246-5325.

What is Howard Aizenstein's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Howard Aizenstein enrolled in Medicare?

Yes. Howard Aizenstein is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Howard Aizenstein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.