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LAN THANH DIEP GRIFFITH MA, LPC, NCC
NPI 1801431374
Counselor - Professional in Washington, PA

Active since November 08, 2019PECOS Enrolled
90 W CHESTNUT ST, WASHINGTON, PA 15301(724) 222-7500(724) 222-5215 Get Directions Write a Review

NPPES record last updated: November 8, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lan Thanh Diep Griffith Ma, Lpc, Ncc NPPES

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

LAN THANH DIEP GRIFFITH MA, LPC, NCC (NPI 1801431374) is an individual professional provider in Washington, Pennsylvania, licensed in Pennsylvania (PC011909) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801431374
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameLAN THANH DIEP GRIFFITHCredential: MA, LPC, NCC
Location Address90 W CHESTNUT STWashington, PA 15301-4524
Mailing Address90 W Chestnut StWashington, PA 15301-4524 · (724) 222-7500 · Fax (724) 222-5215
Phone(724) 222-7500
Fax(724) 222-5215
Sole ProprietorNo
Enumeration DateNovember 8, 2019
✔ NPI 1801431374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in PA · PC011909
90 W CHESTNUT ST, Washington, PA 15301
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lan Thanh Diep Griffith Ma, Lpc, Ncc 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 Lan Griffith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Wellness Collective: Counseling & Consulting, LLC
11 mi
Professional
3307 WASHINGTON ROAD, LEVEL 2
Mcmurray, PA 15317
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2 clinicians in this Medicare group
NPI 1093550618 (412) 259-3885

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

VANESSA ANNE SZUCS I MSW
Social Worker
90 W CHESTNUT ST
WASHINGTON, PA 15301
Washington County (412) 354-8414
KERI HAMBERG MED
Counselor (Mental Health)
90 W CHESTNUT ST
WASHINGTON, PA 15301
Washington County (330) 577-8886
LIBERTY DIALYSIS-WASHINGTON LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
90 W CHESTNUT ST
WASHINGTON, PA 15301
Washington County (724) 228-7398
NICOLE FAFALIOS LBS
Behavior Analyst
90 W CHESTNUT ST
WASHINGTON, PA 15301
Washington County (724) 591-0890
MR. ARTHUR CAMERON EARL III LPC
Counselor (Professional)
90 W CHESTNUT ST
WASHINGTON, PA 15301
Washington County (412) 492-4376
MS. LISBETH ELEANOR MIHOK LPC
Counselor (Addiction (Substance Use Disorder))
90 W CHESTNUT ST, STE. 900
WASHINGTON, PA 15301
Washington County (724) 222-0112
EMILY WYVRATT MS, NCC
Counselor (Mental Health)
90 W CHESTNUT ST
WASHINGTON, PA 15301
Washington County (412) 495-4112
WASHINGTON DRUG AND ALCOHOL COMMISSION INC
Public Health or Welfare
90 W CHESTNUT ST, SUITE 310
WASHINGTON, PA 15301
Washington County (724) 223-1181

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 Lan Griffith's NPI number?

The NPI number for Lan Griffith is 1801431374. It was assigned to this individual provider in the NPPES registry on November 8, 2019.

Where is Lan Griffith located?

Lan Griffith practices at 90 W Chestnut St, Washington, PA 15301. The listed phone number is (724) 222-7500.

What is Lan Griffith's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Lan Griffith enrolled in Medicare?

Yes. Lan Griffith is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lan Griffith's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lan Griffith reassigns Medicare benefits to The Wellness Collective: Counseling & Consulting, LLC (Mcmurray, PA). 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 Lan Griffith'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 Lan Griffith was last updated on November 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.