DR. LINDSAY MARIE DIEMER DO
NPI 1023457124
Psychiatry & Neurology - Child & Adolescent Psychiatry in Lebanon, IN
About Dr. Lindsay Marie Diemer Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LINDSAY MARIE DIEMER DO (NPI 1023457124) is an individual child & adolescent psychiatry provider in Lebanon, Indiana, licensed in Indiana (02004857A) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2013).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Lindsay Marie Diemer Do 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 Reassignments
3Medicare enrollment records show Lindsay Diemer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lebanon, IN 46052
- Reassigned Medicare billing, Indiana enrollment
- 22 clinicians in this Medicare group
Lebanon, IN 46052
- Reassigned Medicare billing, Indiana enrollment
- 144 clinicians in this Medicare group
San Francisco, CA 94131
- Reassigned Medicare billing, Indiana enrollment
- 16 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEBANON, IN 46052
LEBANON, IN 46052
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 Lindsay Diemer's NPI number?
The NPI number for Lindsay Diemer is 1023457124. It was assigned to this individual provider in the NPPES registry on June 21, 2013.
Where is Lindsay Diemer located?
Lindsay Diemer practices at 1310 S Lebanon St, Lebanon, IN 46052. The listed phone number is (765) 680-0071.
What is Lindsay Diemer's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Lindsay Diemer enrolled in Medicare?
Yes. Lindsay Diemer 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 organizations bill Medicare for Lindsay Diemer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lindsay Diemer reassigns Medicare benefits to 3 organizations: Integrative Wellness, LLC (Lebanon, IN), Witham Memorial Hospital (Lebanon, IN) and Brightside Health, Inc. (San Francisco, CA). Each 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 Lindsay Diemer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lindsay Diemer accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Care Network of Michigan and 4 other insurers list Lindsay Diemer 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 Lindsay Diemer was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Lindsay Marie Diemer, DO · NPI 1023457124
Child & Adolescent Psychiatry physician in Lebanon, Indiana. Individual provider, active in the CMS NPPES registry since June 21, 2013.
## Identity
- **NPI:** 1023457124 (Entity type: Individual)
- **Enumerated:** June 21, 2013
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** 02004857A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1310 S LEBANON ST, Lebanon, IN 46052-3076
- **Phone:** (765) 680-0071 · **Fax:** (317) 647-4407
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Integrative Wellness, LLC (NPI 1750723490, Lebanon, IN); Witham Memorial Hospital (NPI 1083750293, Lebanon, IN); Brightside Health, Inc. (NPI 1073072658, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** At Still University Of Health Sciences, College Of Osteo Med, Kirksville, class of 2013
## Record status
- **NPPES last updated:** May 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023457124) · Data from the CMS NPPES public registry.