Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SYDNEY MARKS MARKS LMSW
NPI 1801613690
Social Worker in Nashville, TN

Q: What is Sydney Marks's NPI number?

The NPI number for Sydney Marks is 1801613690. It was assigned to this individual provider in the NPPES registry on September 23, 2024.

Q: What is Sydney Marks's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sydney Marks was last updated on August 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.

Active since September 23, 2024PECOS Enrolled

2606 STERLING BOONE DR, NASHVILLE, TN 37210(615) 945-1288 Get Directions Write a Review

NPPES record last updated: August 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 8, 2026, Sep 23, 2024 (2 updates tracked since 2024).

On this page

About Sydney Marks Marks Lmsw NPPES

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

SYDNEY MARKS MARKS LMSW (NPI 1801613690) is an individual social worker in Nashville, Tennessee, licensed in Tennessee (14155) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801613690

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameSYDNEY MARKS MARKSCredential: LMSW

Location Address2606 STERLING BOONE DRNashville, TN 37210-5218

Mailing Address2606 Sterling Boone DrNashville, TN 37210-5218 · (615) 945-1288

Phone(615) 945-1288

Sole ProprietorYes

Enumeration DateSeptember 23, 2024

Last NPPES UpdateAugust 8, 20262 updates tracked since enumeration

NPPES CertifiedAugust 8, 2026

✔ NPI 1801613690 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 TN · 14155

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.

2606 STERLING BOONE DR, Nashville, TN 37210

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sydney Marks Marks 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.

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 Sydney Marks's NPI number?

The NPI number for Sydney Marks is 1801613690. It was assigned to this individual provider in the NPPES registry on September 23, 2024.

Where is Sydney Marks located?

Sydney Marks practices at 2606 Sterling Boone Dr, Nashville, TN 37210. The listed phone number is (615) 945-1288.

What is Sydney Marks's specialty?

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

Is Sydney Marks enrolled in Medicare?

Yes. Sydney Marks is registered in the Medicare PECOS enrollment system.

What insurance does Sydney Marks accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 4 other insurers list Sydney Marks 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 Sydney Marks was last updated on August 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.