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MADELINE ADEN MSW
NPI 1881280204
Social Worker in Bethesda, MD

Active since December 19, 2020PECOS Enrolled
4701 SANGAMORE RD # 210N, BETHESDA, MD 20816(301) 229-9490 Get Directions Write a Review

NPPES record last updated: December 19, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Madeline Aden Msw NPPES

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

MADELINE ADEN MSW (NPI 1881280204) is an individual social worker in Bethesda, Maryland, licensed in Maryland (26549) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Washington.

NPPES Registry Identity

NPI1881280204
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMADELINE ADENCredential: MSW
Location Address4701 SANGAMORE RD # 210NBethesda, MD 20816-2508
Mailing Address2750 14th St Nw Apt 204Washington, DC 20009-6925 · (515) 306-0433
Phone(301) 229-9490
Sole ProprietorNo
Enumeration DateDecember 19, 2020
NPPES CertifiedDecember 19, 2020
✔ NPI 1881280204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses✔ Licensed in MD · 26549✔ Licensed in DC · LG50083137
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.
4701 SANGAMORE RD # 210N, Bethesda, MD 20816
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Secondary Practice Location 1

Location 12750 14th St NW Apt 204Washington, DC 20009-6925 · Phone (515) 306-0433

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Madeline Aden Msw 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 Madeline Aden reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sapphire At Gresham Rehab, LLC
2,336 mi
Skilled Nursing Facility
405 NE 5TH ST
Gresham, OR 97030
  • Reassigned Medicare billing, Oregon enrollment
  • Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
  • 3,207 clinicians in this Medicare group
NPI 1033740899 (503) 666-5600

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 3

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

KATHERINE KELLY LMSW
Social Worker (Clinical)
4701 SANGAMORE RD # 210N
BETHESDA, MD 20816
Montgomery County (301) 229-9490
ETHAN HOCHHEISER
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4701 SANGAMORE RD # 210N
BETHESDA, MD 20816
Montgomery County (301) 569-2202
MRS. SAMANTHA STEINBERG LCSW-C
Social Worker (Clinical)
4701 SANGAMORE RD # 210N
BETHESDA, MD 20816
Montgomery County (013) 229-9490

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 Madeline Aden's NPI number?

The NPI number for Madeline Aden is 1881280204. It was assigned to this individual provider in the NPPES registry on December 19, 2020.

Where is Madeline Aden located?

Madeline Aden practices at 4701 Sangamore Rd # 210N, Bethesda, MD 20816. The listed phone number is (301) 229-9490.

What is Madeline Aden's specialty?

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

Is Madeline Aden enrolled in Medicare?

Yes. Madeline Aden is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Madeline Aden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madeline Aden reassigns Medicare benefits to Sapphire At Gresham Rehab, LLC (Gresham, OR). 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 Madeline Aden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Madeline Aden accept?

Health plans from Kaiser Permanente list Madeline Aden 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 Madeline Aden was last updated on December 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.