MR. ALEXANDER AARON BLEIWEIS LMSW
NPI 1205421682
Social Worker - Clinical in Olney, MD

Active since March 07, 2021Opted out of Medicare · through Feb 7, 2028
4241 BAR HARBOR PL, OLNEY, MD 20832(914) 261-9337 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Mar 19, 2026, Mar 7, 2021 (2 updates tracked since 2021).

About Mr. Alexander Aaron Bleiweis Lmsw NPPES

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

MR. ALEXANDER AARON BLEIWEIS LMSW (NPI 1205421682) is an individual clinical provider in Olney, Maryland, licensed in Virginia (0904017002) and active in the NPI registry since March 2021. He has opted out of Medicare through February 7, 2028.

NPPES Registry Identity

NPI1205421682
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. ALEXANDER AARON BLEIWEISCredential: LMSW
Location Address4241 BAR HARBOR PLOlney, MD 20832-2964
Mailing Address4241 Bar Harbor PlOlney, MD 20832-2964 · (914) 261-9337
Sole ProprietorYes
Enumeration DateMarch 7, 2021
Last NPPES UpdateMarch 19, 20262 updates tracked since enumeration
NPPES CertifiedMarch 19, 2026
✔ NPI 1205421682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in VA · 0904017002
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4241 BAR HARBOR PL, Olney, MD 20832

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Mr. Alexander Aaron Bleiweis Lmsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 7, 2024 through February 7, 2028.

Opt-Out Effective DateFebruary 7, 2024
Opt-Out In Effect ThroughFebruary 7, 2028Opt-out affidavits renew automatically every two years unless cancelled

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 Bleiweis's NPI number?

The NPI number for Alexander Bleiweis is 1205421682. It was assigned to this individual provider in the NPPES registry on March 7, 2021.

Where is Alexander Bleiweis located?

Alexander Bleiweis practices at 4241 Bar Harbor Pl, Olney, MD 20832. The listed phone number is (914) 261-9337.

What is Alexander Bleiweis's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Alexander Bleiweis enrolled in Medicare?

No. Alexander Bleiweis has opted out of Medicare through February 7, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Alexander Bleiweis was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.