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DR. LINDSAY MARIE DIEMER DO
NPI 1023457124
Psychiatry & Neurology - Child & Adolescent Psychiatry in Lebanon, IN

Active since June 21, 2013PECOS EnrolledAccepts Medicare Assignment
1310 S LEBANON ST, LEBANON, IN 46052(765) 680-0071(317) 647-4407 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 14, 2026, Jun 19, 2018, Mar 17, 2018 and 5 more (8 updates tracked since 2016).

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

NPI1023457124
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. LINDSAY MARIE DIEMERCredential: DO
Location Address1310 S LEBANON STLebanon, IN 46052-3076
Mailing Address85 E Poplar StZionsville, IN 46077-1549 · (317) 503-6439
Phone(765) 680-0071
Fax(317) 647-4407
Sole ProprietorNo
Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 2013
Enumeration DateJune 21, 2013
Last NPPES UpdateMay 14, 20268 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
✔ NPI 1023457124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in IN · 02004857A
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License V6778 (TX), 5101020748 (MI), 02004857A (IN), 25IB12566800 (NJ), 036174055 (IL), OS21751 (FL), 346239 (LA), 2026-01796 (NC), 34C.000353 (OH), OS025949 (PA)
1310 S LEBANON ST, Lebanon, IN 46052
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID42501215
PECOS Enrollment IDI20170412002035
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.

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.

JENNIE MAGUIRE NP
Nurse Practitioner (Adult Health)
1310 S LEBANON ST
LEBANON, IN 46052
Boone County (765) 482-7005
MRS. AMANDA MICHELLE CHRISTMAS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1310 S LEBANON ST
LEBANON, IN 46052
Boone County (765) 680-0071
DR. ARTHUR FLORES MD
Family Medicine
1310 S LEBANON ST
LEBANON, IN 46052
Boone County (765) 482-7005
AMERICAN HEALTH NETWORK OF INDIANA, LLC
Durable Medical Equipment & Medical Supplies
1310 S LEBANON ST
LEBANON, IN 46052
Boone County (765) 482-7005
LYNN L STRUEH NP
Nurse Practitioner
1310 S LEBANON ST
LEBANON, IN 46052
Boone County (765) 482-7005
BEN H PARK MD
Family Medicine
1310 S LEBANON ST
LEBANON, IN 46052
Boone County (765) 482-7005

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.

What insurance does Lindsay Diemer accept?

Health plans from UnitedHealthcare 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 2 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.