Doctor profile · Federal record

Dr. Maryellen Lajeunesse, LCSW

Clinical Social Worker · Chicago, IL

  • NPI 1760034128
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
259 E Erie St Ste 1900
Chicago, IL 606113246
(312) 695-7950
fax (312) 695-5747

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Profile last updated
August 16, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Illinois #149.020549

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760034128. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
3
Medicare allowed
$16,693
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 83 17 $112
90834 Psychotherapy, 45 minutes 76 21 $76
90791 Psychiatric diagnostic evaluation 12 12 $133

In context: peer comparison

Among 58 peers in Chicago Clinical Social Worker, average services per provider: 238. This provider delivers 0.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Maryellen Lajeunesse's medical specialty?
Dr. Maryellen Lajeunesse practices Clinical Social Worker in Chicago, IL.
Where does Dr. Maryellen Lajeunesse practice?
Dr. Maryellen Lajeunesse practices at 259 E Erie St Ste 1900, Chicago, IL 606113246. Office phone: 3126957950.
What is Dr. Maryellen Lajeunesse's NPI?
Dr. Maryellen Lajeunesse's National Provider Identifier (NPI) is 1760034128, issued by NPPES.
Does Dr. Maryellen Lajeunesse accept Medicare assignment?
Yes. Dr. Maryellen Lajeunesse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maryellen Lajeunesse commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.