Doctor profile · Federal record

Dr. Diane Geiser, LCSW

Clinical Social Worker · Vernon Hills, IL

  • NPI 1265600449
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
977 Lakeview Pkwy
Vernon Hills, IL 600611400
(847) 549-6000
fax (847) 549-6006

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Illinois #149-002887

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265600449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
295
Distinct HCPCS
3
Medicare allowed
$28,374
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 133 16 $107
90847 Family psychotherapy with patient, 50 minutes 127 14 $75
90791 Psychiatric diagnostic evaluation 35 22 $132

In context: peer comparison

Among 1 peers in this city , average services per provider: 98. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Geiser's medical specialty?
Dr. Diane Geiser practices Clinical Social Worker in Vernon Hills, IL.
Where does Dr. Diane Geiser practice?
Dr. Diane Geiser practices at 977 Lakeview Pkwy, Vernon Hills, IL 600611400. Office phone: 8475496000.
What is Dr. Diane Geiser's NPI?
Dr. Diane Geiser's National Provider Identifier (NPI) is 1265600449, issued by NPPES.
Does Dr. Diane Geiser accept Medicare assignment?
Yes. Dr. Diane Geiser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Geiser commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Family psychotherapy with patient (HCPCS 90847); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.