Dr. Steven Paul Lammers, MD
- Medicare services, 2024
- 989
- Medicare patients, 2024
- 306
- Part D claims, 2024
- 5,628
- Industry payments
- $497
- Affiliated sites
- 1
- Practice address
- 977 Lakeview Parkway, Vernon Hills, IL 60061-1444
- Practice phone
- Call (847) 549-1023
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Steven P. Lammers, MD
Physician office · Vernon Hills, Illinois
Find Dr. Lammers' professional email, personal email and mobile number
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Dr. Steven Paul Lammers is a psychiatrist in Vernon Hills, Illinois
Dr. Lammers practices at Steven P. Lammers, MD in Vernon Hills, Illinois.
Dr. Lammers' NPI, 1184600462, was assigned on December 19, 2005. Dr. Lammers graduated from R Franklin University of Med & Sci/Chicago Medical School in 1986. Dr. Lammers holds Illinois license 036075721.
- NPI
- 1184600462NPI Registry (opens in a new tab)
- NPI enumeration date
- December 19, 2005
- NPI status
- Active
- Practice phone
- (847) 549-1023
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Steven Paul Lammers practices at Steven P. Lammers, MD in Vernon Hills, Illinois
Dr. Lammers' primary practice is Steven P. Lammers, MD, at 977 Lakeview Parkway, Vernon Hills, IL 60061-1444. The practice phone is (847) 549-1023.
- Steven P. Lammers, MD977 Lakeview Parkway, Vernon Hills, IL 60061-1444Phone(847) 549-1023
Source: Dmand AI Affiliation Data
Dr. Steven Paul Lammers is affiliated with 1 site of care
Dr. Lammers' primary practice is Steven P. Lammers, MD in Vernon Hills, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Steven Paul Lammers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lammers practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Steven P. Lammers, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven Paul Lammers is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Lammers' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Lammers is licensed in Illinois.
Specialties and state licenses
- Psychiatry, IllinoisPrimary
Psychiatrists near Dr. Lammers
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steven Paul Lammers billed Medicare for 989 services in 2024
CMS data shows 989 Medicare services from Dr. Lammers across 2 procedure codes in 2024, for 306 Medicare patients. Medicare paid $39,714 for them. Every service was in an office.
Dr. Lammers' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9662024: 9761%
- Tests and treatments
- 2023: 212024: 1338%
Dr. Lammers compared with the Illinois median for psychiatrists, 2024
- Dr. Lammers
- Illinois median
- Medicare services
- 989vs 2034.9 times
- Medicare patients
- 306vs 634.9 times
- Part D claims
- 5,475vs 17431.5 times
Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.
Dr. Lammers' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven Paul Lammers treated 306 Medicare patients in 2024, average age 70
CMS counts 306 Medicare patients who saw Dr. Lammers in 2024. The largest group is 65 to 74, with 162 patients. 75% of them have depression, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lammers' median patient age at 29, with 100% women.
Dr. Lammers' Medicare patients by age, 2024
Dr. Lammers' Medicare patients by sex, 2024
- Women19564%
- Men11136%
Chronic conditions among Dr. Lammers' Medicare patients, 2024
- Depression75%
- High cholesterol75%
- Mood disorders75%
- High blood pressure64%
- Anxiety58%
- Arthritis50%
- Diabetes22%
- Bipolar disorder20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lammers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 29
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven Paul Lammers wrote 5,628 Medicare Part D claims in 2024
In 2024, Dr. Lammers wrote 5,628 Medicare Part D claims for 445 patients. 96% of them were for generic drugs. CMS names the drug for 5,475 of them, across 56 drugs with 11 or more claims each, at $206,092 in total drug cost. In 2023, CMS named 5,326 claims across 56 drugs.
Dr. Lammers' Part D claims by kind of drug, 2024
- Generic5,404 claims96%
- Brand-name224 claims4%
Dr. Lammers' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lammers' Part D claims, 2024
- Antipsychotics, patients 65 and over8%439 of 5,628 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,3262024: 5,4753%
Drugs named by CMS: 56 in 2024, 56 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Steven Paul Lammers received $497 in industry payments from 2016 to 2022
CMS Open Payments shows 19 general payments to Dr. Lammers from 8 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 66% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $168.
General payments to Dr. Lammers by program year, 2016 to 2022
General payments to Dr. Lammers by kind, 2016 to 2022
- Food and beverage$32966%
- Education$16834%
Companies that paid Dr. Lammers the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven Paul Lammers graduated from R Franklin University of Med & Sci/Chicago Medical School
Dr. Lammers graduated from R Franklin University of Med & Sci/Chicago Medical School in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven Paul Lammers's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Steven Paul Lammers
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Steven Paul Lammers' NPI number?
Dr. Steven Paul Lammers' NPI number is 1184600462. It was assigned on December 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Paul Lammers?
Dr. Steven Paul Lammers is a psychiatrist in Vernon Hills, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Steven Paul Lammers practice?
Dr. Lammers practices at 977 Lakeview Parkway, Vernon Hills, IL 60061-1444. Dr. Lammers' primary practice is Steven P. Lammers, MD in Vernon Hills, Illinois.
What is Dr. Steven Paul Lammers' office phone number?
The practice phone on file for Dr. Lammers is (847) 549-1023.
What is Dr. Steven Paul Lammers' medical license number?
Dr. Lammers holds Illinois license 036075721.
Does Dr. Steven Paul Lammers accept Medicare?
Yes. CMS data shows Dr. Lammers billed Medicare for 989 services in 2024.
How many Medicare patients does Dr. Steven Paul Lammers see?
CMS counts 306 Medicare patients who saw Dr. Lammers in 2024, with an average age of 70.
What services does Dr. Steven Paul Lammers bill to Medicare?
In 2024, Dr. Lammers' most billed Medicare services were office visit, established patient (99212) and psychiatric service (90792).
Where did Dr. Steven Paul Lammers go to medical school?
Dr. Lammers graduated from R Franklin University of Med & Sci/Chicago Medical School in 1986.
What drugs does Dr. Steven Paul Lammers prescribe most?
In 2024 Medicare Part D data, Dr. Lammers' most prescribed drugs by claims were Sertraline HCl, Duloxetine HCl and Trazodone HCl.
Has Dr. Steven Paul Lammers received payments from drug or device companies?
CMS Open Payments shows $497 in general payments to Dr. Lammers from 8 companies from 2016 to 2022. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Steven Paul Lammers been practicing?
Dr. Lammers graduated from medical school in 1986, 40 years ago.
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