Dr. Stephen E. Lehnert, MD
- Medicare services, 2024
- 1,955
- Medicare patients, 2024
- 1,615
- Part D claims, 2021
- 12
- Hospital affiliations
- 5
- Industry payments
- $126
- Practice address
- 5666 East State Street, Rockford, IL 61108
- Practice phone
- Call (815) 226-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lehnert's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen E. Lehnert is a diagnostic radiologist in Rockford, Illinois
Dr. Lehnert practices at OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System.
Dr. Lehnert's NPI, 1154369478, was assigned on June 2, 2006. Dr. Lehnert graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1980.
- NPI
- 1154369478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800795774
- NPI enumeration date
- June 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 226-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen E. Lehnert practices at OSF Saint Anthony Medical Center in Rockford, Illinois
Dr. Lehnert's primary practice is OSF Saint Anthony Medical Center, at 5666 East State Street, Rockford, IL 61108 in Winnebago County. The practice phone is (815) 226-2000.
- OSF Saint Anthony Medical Center5666 East State Street, Rockford, IL 61108 · Winnebago CountyPhone(815) 226-2000
Source: Dmand AI Affiliation Data
Dr. Stephen E. Lehnert is affiliated with 6 sites of care and 3 medical groups
Dr. Lehnert's primary practice is OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System. Dr. Lehnert is also affiliated with UW Health SwedishAmerican Hospital. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Lehnert to 3 more hospitals, 2 medical groups and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen E. Lehnert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lehnert practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF Saint Anthony Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across OSF HealthCare System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen E. Lehnert is one of 1,336 diagnostic radiologists in Illinois
Diagnostic radiology is Dr. Lehnert's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Lehnert has a license on file in Illinois.
Specialties and state licenses
- Diagnostic radiology, Illinois
Diagnostic radiologists near Dr. Lehnert
Counts of diagnostic radiologists 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. Stephen E. Lehnert billed Medicare for 1,955 services in 2024
CMS data shows 1,955 Medicare services from Dr. Lehnert across 44 procedure codes in 2024, for 1,615 Medicare patients. Medicare paid $47,479 for them.
Dr. Lehnert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,7112024: 1,77352%
- Tests and treatments
- 2023: 2712024: 11358%
- Surgery
- 2023: 592024: 4622%
- Other services
- 2023: 612024: 2362%
Where Dr. Lehnert's Medicare services took place, 2024
- In an office33617%
- In a facility1,61983%
Dr. Lehnert compared with the Illinois median for diagnostic radiologists, 2024
- Dr. Lehnert
- Illinois median
- Medicare services
- 1,955vs 2,57524% below
- Medicare patients
- 1,615vs 1,83612% below
- Part D claims
- 12vs 1414% below
Medians across 1,261 diagnostic radiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Lehnert's 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. Stephen E. Lehnert treated 1,615 Medicare patients in 2024, average age 75
CMS counts 1,615 Medicare patients who saw Dr. Lehnert in 2024. The largest group is 65 to 74, with 700 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lehnert's median patient age at 67, with 67% women.
Dr. Lehnert's Medicare patients by age, 2024
Dr. Lehnert's Medicare patients by sex, 2024
- Women1,06666%
- Men54934%
Chronic conditions among Dr. Lehnert's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Chronic kidney disease35%
- Diabetes35%
- Ischemic heart disease32%
- Mood disorders31%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lehnert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen E. Lehnert wrote 12 Medicare Part D claims in 2021
In 2021, Dr. Lehnert wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $14 in total drug cost.
Dr. Lehnert's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Stephen E. Lehnert takes part in Medicare
Dr. Lehnert accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen E. Lehnert received $126 in industry payments from 2022 to 2024
CMS Open Payments shows 5 general payments to Dr. Lehnert from 5 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Teleflex LLC paid the most, $30.
General payments to Dr. Lehnert by program year, 2022 to 2024
Companies that paid Dr. Lehnert the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen E. Lehnert graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Lehnert graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen E. Lehnert'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Stephen E. Lehnert
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. Stephen E. Lehnert's NPI number?
Dr. Stephen E. Lehnert's NPI number is 1154369478. It was assigned on June 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen E. Lehnert?
Dr. Stephen E. Lehnert is a diagnostic radiologist in Rockford, Illinois. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Stephen E. Lehnert practice?
Dr. Lehnert practices at 5666 East State Street, Rockford, IL 61108. Dr. Lehnert's primary practice is OSF Saint Anthony Medical Center in Rockford, Illinois, part of OSF HealthCare System. Dmand AI also links Dr. Lehnert to 3 hospitals, 2 medical groups and 1 rural health clinic.
What is Dr. Stephen E. Lehnert's office phone number?
The practice phone on file for Dr. Lehnert is (815) 226-2000.
Which hospitals is Dr. Stephen E. Lehnert affiliated with?
Dr. Lehnert practices at OSF Saint Anthony Medical Center in Rockford, Illinois. Dr. Lehnert is also affiliated with UW Health SwedishAmerican Hospital. Dmand AI links Dr. Lehnert to 3 more hospitals.
What medical group is Dr. Stephen E. Lehnert part of?
Dr. Lehnert is linked to OSF Multi-Specialty Group. Dmand AI links Dr. Lehnert to 2 more medical groups.
Does Dr. Stephen E. Lehnert accept Medicare?
Yes. CMS data shows Dr. Lehnert billed Medicare for 1,955 services in 2024, and Dr. Lehnert accepts Medicare assignment.
How many Medicare patients does Dr. Stephen E. Lehnert see?
CMS counts 1,615 Medicare patients who saw Dr. Lehnert in 2024, with an average age of 75.
What services does Dr. Stephen E. Lehnert bill to Medicare?
In 2024, Dr. Lehnert's most billed Medicare services were diagnostic imaging (71045), radiation oncology (77067) and radiation oncology (77063).
Where did Dr. Stephen E. Lehnert go to medical school?
Dr. Lehnert graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1980.
Show 3 more questionsShow fewer questions
What drugs does Dr. Stephen E. Lehnert prescribe most?
In 2021 Medicare Part D data, Dr. Lehnert's most prescribed drugs by claims were Prednisone.
Has Dr. Stephen E. Lehnert received payments from drug or device companies?
CMS Open Payments shows $126 in general payments to Dr. Lehnert from 5 companies from 2022 to 2024. The largest total came from Teleflex LLC.
How long has Dr. Stephen E. Lehnert been practicing?
Dr. Lehnert graduated from medical school in 1980, 46 years ago.
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