Doctor profile · Federal record

Dr. Aftab Poshni, MD

Psychiatry Physician (CMS: Psychiatry) · Crystal Lake, IL

  • NPI 1821097924
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 Coventry Ln, Suite 205
Crystal Lake, IL 600147579
(815) 455-7100
fax (815) 455-3951

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
August 7, 2014
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Illinois #036-089593
Medicaid
IL #036089593

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821097924. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
406
Distinct HCPCS
3
Medicare allowed
$39,710
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 277 100 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 96 46 $121
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 33 31 $135

In context: peer comparison

Among 3 peers in this city , average services per provider: 400. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,600
Transactions
131
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, Inc. 5 $259.86
Otsuka America Pharmaceutical, Inc. 18 $256.91
Teva Pharmaceuticals USA, Inc. 11 $241.08
Lundbeck LLC 9 $237.57
ABBVIE INC. 21 $206.69
Vanda Pharmaceuticals Inc. 5 $201.50
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 9 $199.15
Corium, LLC 20 $198.36
Neurocrine Biosciences, Inc. 8 $161.48
Janssen Pharmaceuticals, Inc 7 $154.56
Axsome Therapeutics, Inc. 4 $154.06
Neos Therapeutics, LP 4 $85.31
Alkermes, Inc. 4 $80.47
IRONSHORE PHARMACEUTICALS INC. 3 $60.73
Takeda Pharmaceuticals U.S.A., Inc. 3 $46.73

By nature of payment

Food and Beverage
$2,529
Education
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,822
Patients
270
Total drug cost
$38,060
Drug Type Claims Patients Total cost
Clonazepam Generic 236 38 $2,245
Escitalopram Oxalate Generic 193 36 $2,639
Mirtazapine Generic 171 21 $2,509
Olanzapine Generic 167 24 $7,686
Trazodone Hcl Generic 144 27 $1,830
Sertraline Hcl Generic 120 21 $1,178
Quetiapine Fumarate Generic 118 17 $3,997
Bupropion Xl (Bupropion Hcl) Brand 100 16 $3,415
Duloxetine Hcl Generic 96 16 $1,857
Risperidone Generic 90 13 $1,941

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aftab Poshni's medical specialty?
Dr. Aftab Poshni practices Psychiatry Physician in Crystal Lake, IL.
Where does Dr. Aftab Poshni practice?
Dr. Aftab Poshni practices at 500 Coventry Ln, Crystal Lake, IL 600147579. Office phone: 8154557100.
What is Dr. Aftab Poshni's NPI?
Dr. Aftab Poshni's National Provider Identifier (NPI) is 1821097924, issued by NPPES.
Does Dr. Aftab Poshni accept Medicare assignment?
Yes. Dr. Aftab Poshni accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aftab Poshni commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.