Doctor profile · Federal record

Dr. Lindsay Flegge, PHD

Clinical Psychologist · Psychologist · Indianapolis, IN

  • NPI 1558032466
  • Accepts Medicare
  • 6 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
355 W 16Th St Ste 2800
Indianapolis, IN 462022279
(317) 963-7300
fax (317) 963-7075
Additional location
3290 N Wellness Dr
Holland, MI 494247259
(616) 840-8443
Mailing address
250 N Shadeland Ave
Indianapolis, IN 462194959

Credentials & registration

NPPES · NUCC
NPI registered
September 2021 — 5 yrs on file
Profile last updated
August 30, 2022
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State licenses (2)
Indiana #20043549A · Michigan #6301018984

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558032466. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
90
Distinct HCPCS
2
Medicare allowed
$4,843
HCPCS Description Services Patients Avg allowed
90853 Group psychotherapy 71 12 $25
90791 Psychiatric diagnostic evaluation 19 19 $162

In context: peer comparison

Among 12 peers in Indianapolis Clinical Psychologist, average services per provider: 61. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Lindsay Flegge's medical specialty?
Dr. Lindsay Flegge practices Clinical Psychologist in Indianapolis, IN.
Where does Dr. Lindsay Flegge practice?
Dr. Lindsay Flegge practices at 355 W 16Th St Ste 2800, Indianapolis, IN 462022279. Office phone: 3179637300.
What is Dr. Lindsay Flegge's NPI?
Dr. Lindsay Flegge's National Provider Identifier (NPI) is 1558032466, issued by NPPES.
Does Dr. Lindsay Flegge accept Medicare assignment?
Yes. Dr. Lindsay Flegge accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lindsay Flegge commonly perform?
Top Medicare-reported procedures in 2023: Group psychotherapy (HCPCS 90853); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.