DAVID MICHAEL GREER MD
NPI 1992903470
Psychiatry & Neurology - Child & Adolescent Psychiatry in Knoxville, TN
About David Michael Greer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID MICHAEL GREER MD (NPI 1992903470) is an individual child & adolescent psychiatry provider in Knoxville, Tennessee, licensed in Tennessee (TN019964MD) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Mississippi School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
David Michael Greer Md 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 David Greer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Merrillville, IN 46410
- Reassigned Medicare billing, Indiana enrollment
- 25 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.
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.
KNOXVILLE, TN 37919
KNOXVILLE, TN 37919
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 Greer's NPI number?
The NPI number for David Greer is 1992903470. It was assigned to this individual provider in the NPPES registry on July 6, 2007.
Where is David Greer located?
David Greer practices at 5731 Lyons View Pike Suite 115, Knoxville, TN 37919. The listed phone number is (865) 776-1023.
What is David Greer's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is David Greer enrolled in Medicare?
Yes. David Greer 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 David Greer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Greer reassigns Medicare benefits to Southlake Community Mental Health Center, Inc (Merrillville, IN). 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 David Greer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Greer accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Cigna Healthcare list David Greer 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 Greer was last updated on July 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# David Michael Greer, MD · NPI 1992903470
Child & Adolescent Psychiatry physician in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since July 6, 2007.
## Identity
- **NPI:** 1992903470 (Entity type: Individual)
- **Enumerated:** July 6, 2007
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** TN019964MD (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5731 LYONS VIEW PIKE, SUITE 115, Knoxville, TN 37919-6434
- **Phone:** (865) 776-1023
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southlake Community Mental Health Center, Inc (NPI 1366942518, Merrillville, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** July 24, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1992903470) · Data from the CMS NPPES public registry.