DIANA STEWART LSCW-C
NPI 1982265195
Social Worker - Clinical in Timonium, MD
About Diana Stewart Lscw-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA STEWART LSCW-C (NPI 1982265195) is an individual clinical provider in Timonium, Maryland, licensed in Maryland (21281) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Diana Stewart Lscw-c 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.
Medicare Billing Reassignment
Medicare enrollment records show Diana Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arnold, MD 21012
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Arundel Mental Health Professionals Lc
- 124 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 21093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TIMONIUM, MD 21093
TIMONIUM, MD 21093
TIMONIUM, MD 21093
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 Diana Stewart's NPI number?
The NPI number for Diana Stewart is 1982265195. It was assigned to this individual provider in the NPPES registry on June 27, 2019.
Where is Diana Stewart located?
Diana Stewart practices at 1205 York Rd Ste 14, Timonium, MD 21093. The listed phone number is (855) 573-4313.
What is Diana Stewart's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Diana Stewart enrolled in Medicare?
Yes. Diana Stewart 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 organization bills Medicare for Diana Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Stewart reassigns Medicare benefits to Arundel Mental Health Professionals L.C. (Arnold, MD). 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 Diana Stewart'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 Diana Stewart was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Diana Stewart, LSCW-C · NPI 1982265195
Clinical provider in Timonium, Maryland. Individual provider, active in the CMS NPPES registry since June 27, 2019.
## Identity
- **NPI:** 1982265195 (Entity type: Individual)
- **Enumerated:** June 27, 2019
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 21281 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1205 YORK RD STE 14, Timonium, MD 21093-6211
- **Phone:** (855) 573-4313
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for durable medical equipment
- **Bills Medicare through:** Arundel Mental Health Professionals L.C. (NPI 1073649521, Arnold, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1982265195) · Data from the CMS NPPES public registry.