DR. LINDSAY DIEMER (DO) – Child & Adolescent Psychiatry Physician, NPI 1023457124

DR. LINDSAY DIEMER (DO) is a healthcare provider. based in Indianapolis, Indiana. specializing in Child & Adolescent Psychiatry Physician. They hold the professional credentials DO. They hold a License No. 02004857A (IN). The NPI Number for DR. LINDSAY DIEMER (DO) is 1023457124

Main info

Female
13 Years Of Experience
Accepts Medicare Assignment
Name
DR. LINDSAY DIEMER (DO)
NPI
1023457124
Phone
Not provided
Address
10330 N MERIDIAN ST # 300
Enumeration Date
21 June 2013
Last Update Date
27 February 2026

Doctor Profile

Medical School Name
AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Secondary Phone
7656441414
Graduation Year
2013 (13 years ago)
PAC ID
0042501215
Group Practice PAC ID
5890949622
Professional Enrollment ID
I20170412002035
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:12State licenses:2Digital endpointsOther names

Provider Addresses for DR. LINDSAY DIEMER (DO)

  • 10330 N MERIDIAN ST # 300

    INDIANAPOLIS, IN 462901024

    Phone:

    Type: Mailing

  • 2210 JACKSON ST

    ANDERSON, IN 46016

    Phone: (765) 683-3118

    Type: Location

  • 60 N FIRST ST STE B

    ZIONSVILLE, IN 460771544

    Phone: (317) 503-2024

    Fax: (317) 647-4407

    Type: Location

  • 85 E POPLAR ST

    ZIONSVILLE, IN 460771549

    Phone: (317) 503-6439

    Type: Mailing

  • 1310 S LEBANON ST

    LEBANON, IN 460523076

    Phone: (765) 680-0071

    Fax: (317) 647-4407

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 8 Open Payments records for all available years, with a total value of $162.

Total Amount is formed as General ($162) + Research ($0) + Ownership ($0) = $162.

Last reported payment date: 2024-08-20 • Largest payer in this snapshot: Neurocrine BioSciences Inc. ($48).

Total Amount

$162

General + Research + Ownership

Payments

8

Total payment records

General Amount

$162

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-20

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2017-04-12

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20170412002035IPsychiatryINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 46290)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5890949622View full group profile
NameSpecialtyState
Clinical Social WorkerIN
Clinical Social WorkerIN
Nurse PractitionerIN
Clinical Social WorkerIN
Clinical Social WorkerIN
Clinical PsychologistIN
P S Y C H I A T R YIN
Clinical Social WorkerIN
Nurse PractitionerIN
P S Y C H I A T R YIN

Reviews

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Frequently asked questions

How do payers reference DR. LINDSAY DIEMER (DO)?
For DR. LINDSAY DIEMER (DO), use NPI 1023457124 as the unique 10-digit identifier.
Is DR. LINDSAY DIEMER (DO) still an active registrant?
DR. LINDSAY DIEMER (DO) carries an active NPI according to the public dataset.
What expertise is attributed to DR. LINDSAY DIEMER (DO)?
DR. LINDSAY DIEMER (DO)'s specialty line reads Child & Adolescent Psychiatry Physician. Clinical services aligned with this taxonomy classification.
Is DR. LINDSAY DIEMER (DO) located near Indianapolis?
DR. LINDSAY DIEMER (DO) currently maps to Indianapolis, Indiana in this extract.
Can I trust this NPI listing for DR. LINDSAY DIEMER (DO)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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