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MRS. DEBORAH BOSS MARKS MSW, LCSW-C
NPI 1205910411
Social Worker - Clinical in Baltimore, MD

Active since October 24, 2006Opted out of Medicare · through Oct 1, 2026
1702 SOUTH RD, BALTIMORE, MD 21209(410) 367-9105(410) 367-8158 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Deborah Boss Marks Msw, Lcsw-c NPPES

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

MRS. DEBORAH BOSS MARKS MSW, LCSW-C (NPI 1205910411) is an individual clinical provider in Baltimore, Maryland, licensed in Maryland (04798) and active in the NPI registry since October 2006. She has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1205910411
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. DEBORAH BOSS MARKSCredential: MSW, LCSW-C
Location Address1702 SOUTH RDBaltimore, MD 21209-4504
Mailing Address6 Celtis CtFork, MD 21051-9729 · (410) 592-5880 · Fax (410) 367-8158
Phone(410) 367-9105
Fax(410) 367-8158
Sole ProprietorYes
Enumeration DateOctober 24, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1205910411 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 MD · 04798
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.
1702 SOUTH RD, Baltimore, MD 21209
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mrs. Deborah Boss Marks Msw, Lcsw-c 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 October 1, 2016 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2016
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21209 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 4

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

CYNTHIA S OSBORNE LCSW-C
Social Worker (Clinical)
1702 SOUTH RD
BALTIMORE, MD 21209
Baltimore County (443) 622-5077
SARAH DIEHL THERAPY, LLC
Community/Behavioral Health
1702 SOUTH RD
BALTIMORE, MD 21209
Baltimore County (410) 382-9800
MS. KIM CASEY SCAGNELLI L.C.S.W. - C
Counselor (Mental Health)
1702 SOUTH RD
BALTIMORE, MD 21209
Baltimore County (410) 367-6545
SARAH DIEHL MDIV, MS, LCPC
Counselor (Professional)
1702 SOUTH RD
BALTIMORE, MD 21209
Baltimore County (410) 382-9800

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 Deborah Marks's NPI number?

The NPI number for Deborah Marks is 1205910411. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Deborah Marks located?

Deborah Marks practices at 1702 South Rd, Baltimore, MD 21209. The listed phone number is (410) 367-9105.

What is Deborah Marks's specialty?

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

Is Deborah Marks enrolled in Medicare?

No. Deborah Marks has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Deborah Marks was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.