MS. DAWN ELLEN MAHLAU LCSW
NPI 1841422698
Social Worker - Clinical in Bronx, NY
About Ms. Dawn Ellen Mahlau Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. DAWN ELLEN MAHLAU LCSW (NPI 1841422698) is an individual clinical provider in Bronx, New York, licensed in New York (P045176) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Dawn Ellen Mahlau Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dawn Mahlau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10461 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Dawn Mahlau's NPI number?
The NPI number for Dawn Mahlau is 1841422698. It was assigned to this individual provider in the NPPES registry on August 12, 2009.
Where is Dawn Mahlau located?
Dawn Mahlau practices at 1621 Eastchester Rd, Bronx, NY 10461. The listed phone number is (718) 405-8040.
What is Dawn Mahlau's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Dawn Mahlau enrolled in Medicare?
Yes. Dawn Mahlau is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dawn Mahlau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dawn Mahlau reassigns Medicare benefits to Montefiore Medical Center (Bronx, 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 Dawn Mahlau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dawn Mahlau accept?
Health plans from Oscar Health list Dawn Mahlau as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Dawn Mahlau was last updated on February 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Dawn Ellen Mahlau, LCSW · NPI 1841422698
Clinical provider in Bronx, New York. Individual provider, active in the CMS NPPES registry since August 12, 2009.
## Identity
- **NPI:** 1841422698 (Entity type: Individual)
- **Enumerated:** August 12, 2009
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** P045176 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1621 EASTCHESTER RD, Bronx, NY 10461-2604
- **Phone:** (718) 405-8040
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Montefiore Medical Center (NPI 1063525152, Bronx, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 18, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1841422698) · Data from the CMS NPPES public registry.