Doctor profile · Federal record
Dr. Steven Lammers, M.D.
Psychiatry Physician · Vernon Hills, IL
- NPI 1184600462
- 21 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
977 Lakeview Pkwy, Suite 102
Vernon Hills, IL 600611444
(847) 549-1023
fax (847) 549-1028
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- February 15, 2012
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Illinois #036075721
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184600462. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
987
Distinct HCPCS
3
Medicare allowed
$54,714
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 879 | 317 | $49 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 87 | 79 | $93 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 21 | 21 | $184 |
In context: peer comparison
Among 4 peers in Vernon Hills Psychiatry Physician, average services per provider: 256. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,856
Patients
688
Total drug cost
$73,226
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sertraline Hcl | Generic | 540 | 100 | $5,666 |
| Trazodone Hcl | Generic | 418 | 76 | $6,489 |
| Clonazepam | Generic | 374 | 55 | $3,275 |
| Duloxetine Hcl | Generic | 374 | 67 | $10,320 |
| Alprazolam | Generic | 327 | 53 | $3,235 |
| Paroxetine Hcl | Generic | 314 | 55 | $4,768 |
| Escitalopram Oxalate | Generic | 243 | 53 | $4,583 |
| Bupropion Xl (Bupropion Hcl) | Brand | 201 | 37 | $6,703 |
| Lorazepam | Generic | 184 | 31 | $1,403 |
| Aripiprazole | Generic | 177 | 33 | $11,696 |
Frequently asked questions
What is Dr. Steven Lammers's medical specialty?
Dr. Steven Lammers practices Psychiatry Physician in Vernon Hills, IL.
Where does Dr. Steven Lammers practice?
Dr. Steven Lammers practices at 977 Lakeview Pkwy, Vernon Hills, IL 600611444. Office phone: 8475491023.
What is Dr. Steven Lammers's NPI?
Dr. Steven Lammers's National Provider Identifier (NPI) is 1184600462, issued by NPPES.
What procedures does Dr. Steven Lammers commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Telephone medical discussion with physician (HCPCS 99442); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.