DR. DAVID GLENN MARKWELL PHD, LPC, NCC
NPI 1336173541
Counselor - Professional in Marietta, GA
About Dr. David Glenn Markwell Phd, Lpc, Ncc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID GLENN MARKWELL PHD, LPC, NCC (NPI 1336173541) is an individual professional provider in Marietta, Georgia, licensed in Georgia (3565) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Accepted 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)
Dr. David Glenn Markwell Phd, Lpc, Ncc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARIETTA, GA 30066
MARIETTA, GA 30066
MARIETTA, GA 30066
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 David Markwell's NPI number?
The NPI number for David Markwell is 1336173541. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is David Markwell located?
David Markwell practices at 2440 Sandy Plains Road Building 21 Suite 200, Marietta, GA 30066. The listed phone number is (770) 993-9700.
What is David Markwell's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is David Markwell enrolled in Medicare?
Yes. David Markwell is registered in the Medicare PECOS enrollment system.
What insurance does David Markwell accept?
Health plans from Alliant Health Plans, Inc. and Providence Health Plan list David Markwell 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 David Markwell was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
