MARLENE WILLIAMS
NPI 1427774041
Social Worker - Clinical in Baltimore, MD

Active since October 14, 2022PECOS EnrolledAccepts Medicare Assignment
2902 E FEDERAL ST, BALTIMORE, MD 21213(443) 253-0174 Get Directions Write a Review

NPPES record last updated: February 15, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 15, 2023, Oct 14, 2022 (2 updates tracked since 2022).

About Marlene Williams NPPES

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

MARLENE WILLIAMS (NPI 1427774041) is an individual clinical provider in Baltimore, Maryland, licensed in Maryland (26719) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1427774041
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARLENE WILLIAMS
Location Address2902 E FEDERAL STBaltimore, MD 21213-3910
Mailing Address2902 E Federal StBaltimore, MD 21213-3910 · (443) 253-0174
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateOctober 14, 2022
Last NPPES UpdateFebruary 15, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 15, 2023
✔ NPI 1427774041 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MD · 26719
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.
Also ListedSocial WorkerTaxonomy 104100000X · License 26719
2902 E FEDERAL ST, Baltimore, MD 21213

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marlene Williams is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688185812
PECOS Enrollment IDI20250616001572
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 Reassignments

2

Medicare enrollment records show Marlene Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community/Behavioral Health
2119 N CHARLES ST STE 14&15
Baltimore, MD 21218
  • Reassigned Medicare billing, Maryland enrollment
  • 2 clinicians in this Medicare group
Multi-Specialty
9030 STATE ROUTE 108 STE A
Columbia, MD 21045
  • Reassigned Medicare billing, Maryland enrollment
  • 132 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 21213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $60.73 – $183.44
Typical copayment $0.00 (range $15.18 – $45.86)
Most-billed visit code NA
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

Non-emergency Medical Transport (VAN)
2902 E FEDERAL ST
BALTIMORE, MD 21213

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 Marlene Williams's NPI number?

The NPI number for Marlene Williams is 1427774041. It was assigned to this individual provider in the NPPES registry on October 14, 2022.

Where is Marlene Williams located?

Marlene Williams practices at 2902 E Federal St, Baltimore, MD 21213. The listed phone number is (443) 253-0174.

What is Marlene Williams's specialty?

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

Is Marlene Williams enrolled in Medicare?

Yes. Marlene Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marlene Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marlene Williams reassigns Medicare benefits to 2 organizations: Kamili Behavioral Health Center (Baltimore, MD) and Way Station Inc (Columbia, MD). Each 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 Marlene Williams'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 Marlene Williams was last updated on February 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.