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DIANNA MCFARLANE LCSW-C
NPI 1326328097
Social Worker - Clinical in Lanham, MD

Active since August 25, 2011PECOS Enrolled
9500 ANNAPOLIS RD STE A8, LANHAM, MD 20706(301) 710-9400 Get Directions Write a Review

NPPES record last updated: May 10, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dianna Mcfarlane Lcsw-c NPPES

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

DIANNA MCFARLANE LCSW-C (NPI 1326328097) is an individual clinical provider in Lanham, Maryland, licensed in District Of Columbia (LC50078624) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Mount Rainier.

NPPES Registry Identity

NPI1326328097
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDIANNA MCFARLANECredential: LCSW-C
Location Address9500 ANNAPOLIS RD STE A8Lanham, MD 20706-2060
Mailing Address9500 Annapolis Rd Ste A8Lanham, MD 20706-2060 · (301) 710-9400 · Fax (888) 818-6466
Phone(301) 710-9400
Sole ProprietorYes
Enumeration DateAugust 25, 2011
Last NPPES UpdateMay 10, 2019
✔ NPI 1326328097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in DC · LC50078624✔ Licensed in MD · 13887
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.
9500 ANNAPOLIS RD STE A8, Lanham, MD 20706
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Secondary Practice Location 1

Location 13259 Queenstown DrMount Rainier, MD 20712-1073 · Phone (240) 770-8195 · Fax (888) 516-4432

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dianna Mcfarlane Lcsw-c 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 Dianna Mcfarlane reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Developmental Group LLC
5.8 mi
Clinical
15480 ANNAPOLIS RD STE 202-227
Bowie, MD 20715
  • Reassigned Medicare billing, Maryland enrollment
NPI 1982405726 (240) 257-6634

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 20706 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 $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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 2

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

CATHERINE DIANA WILSNACK LMSW
Social Worker (Clinical)
9500 ANNAPOLIS RD STE A8
LANHAM, MD 20706
Prince George's County (855) 218-8200
KATHRYN LESLIE WOOD LGPC
Counselor (Mental Health)
9500 ANNAPOLIS RD STE A8
LANHAM, MD 20706
Prince George's County (301) 327-1163

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 Dianna Mcfarlane's NPI number?

The NPI number for Dianna Mcfarlane is 1326328097. It was assigned to this individual provider in the NPPES registry on August 25, 2011.

Where is Dianna Mcfarlane located?

Dianna Mcfarlane practices at 9500 Annapolis Rd Ste A8, Lanham, MD 20706. The listed phone number is (301) 710-9400.

What is Dianna Mcfarlane's specialty?

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

Is Dianna Mcfarlane enrolled in Medicare?

Yes. Dianna Mcfarlane is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dianna Mcfarlane's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dianna Mcfarlane reassigns Medicare benefits to Developmental Group LLC (Bowie, 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 Dianna Mcfarlane'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 Dianna Mcfarlane was last updated on May 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.