1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Social Worker
  6. NPI Profile

HANNAH FLECKENSTEIN LMSW
NPI 1144870759
Social Worker in Brooklyn, NY

Active since September 16, 2019PECOS Enrolled
175 REMSEN ST FL 6, BROOKLYN, NY 11201(781) 858-4050 Get Directions Write a Review

NPPES record last updated: September 16, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hannah Fleckenstein Lmsw NPPES

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

HANNAH FLECKENSTEIN LMSW (NPI 1144870759) is an individual social worker in Brooklyn, New York, licensed in New York (107192) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144870759
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameHANNAH FLECKENSTEINCredential: LMSW
Location Address175 REMSEN ST FL 6Brooklyn, NY 11201-4300
Mailing Address1487 E 34th St Apt 1aBrooklyn, NY 11234-2632 · (781) 859-8969
Phone(781) 858-4050
Sole ProprietorNo
Enumeration DateSeptember 16, 2019
✔ NPI 1144870759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NY · 107192
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
175 REMSEN ST FL 6, Brooklyn, NY 11201
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hannah Fleckenstein Lmsw 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.

Medicare Billing Reassignment

Medicare enrollment records show Hannah Fleckenstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York Psychotherapy And Counseling Center
12 mi
Community/Behavioral Health
17620 148TH AVE
Jamaica, NY 11434
  • Reassigned Medicare billing, New York enrollment
  • 249 clinicians in this Medicare group
NPI 1902811342 (718) 553-1100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

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

MARY BRANNON
Counselor (Mental Health)
175 REMSEN ST FL 6
BROOKLYN, NY 11201
Kings County (718) 858-4050
LORETTA SKYE HILLIER LMSW
Counselor
175 REMSEN ST FL 6
BROOKLYN, NY 11201
Kings County (718) 858-4050

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 Hannah Fleckenstein's NPI number?

The NPI number for Hannah Fleckenstein is 1144870759. It was assigned to this individual provider in the NPPES registry on September 16, 2019.

Where is Hannah Fleckenstein located?

Hannah Fleckenstein practices at 175 Remsen St Fl 6, Brooklyn, NY 11201. The listed phone number is (781) 858-4050.

What is Hannah Fleckenstein's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Hannah Fleckenstein enrolled in Medicare?

Yes. Hannah Fleckenstein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hannah Fleckenstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Fleckenstein reassigns Medicare benefits to New York Psychotherapy And Counseling Center (Jamaica, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hannah Fleckenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hannah Fleckenstein was last updated on September 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.