Doctor profile · Federal record

Dr. Marc Bear, M.D.

Psychiatry Physician (CMS: Psychiatry) · Chicago, IL

  • NPI 1821043290
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1011 W Wellington Ave, #210
Chicago, IL 606577187
(773) 458-4671
fax (847) 328-3565
Mailing address
2027 Colfax St
Evanston, IL 602012531

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 8, 2015
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Illinois #036095995
Medicaid
IL #036095995

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821043290. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
1
Medicare allowed
$4,351
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 46 12 $95

In context: peer comparison

Among 81 peers in Chicago Psychiatry Physician, average services per provider: 102. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $27.05

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,455
Patients
349
Total drug cost
$82,427
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 416 42 $8,532
Trazodone Hcl Generic 402 55 $4,482
Olanzapine Generic 357 28 $6,520
Aripiprazole Generic 292 34 $11,296
Risperidone Generic 275 29 $3,299
Divalproex Sodium Generic 249 20 $4,669
Clozapine Generic 244 16 $18,332
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 194 16 $4,253
Fluoxetine Hcl Generic 193 17 $1,569
Benztropine Mesylate Generic 188 23 $1,987

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Bear's medical specialty?
Dr. Marc Bear practices Psychiatry Physician in Chicago, IL.
Where does Dr. Marc Bear practice?
Dr. Marc Bear practices at 1011 W Wellington Ave, Chicago, IL 606577187. Office phone: 7734584671.
What is Dr. Marc Bear's NPI?
Dr. Marc Bear's National Provider Identifier (NPI) is 1821043290, issued by NPPES.
Does Dr. Marc Bear accept Medicare assignment?
Yes. Dr. Marc Bear accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Bear commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.