Dr. Robert B. Johnson, MD
- Medicare services, 2024
- 2,805
- Medicare patients, 2024
- 1,436
- Part D claims, 2024
- 3,645
- Hospital affiliations
- 4
- Industry payments
- $1,196
- Practice address
- 825 S Milwaukee Ave, Libertyville, IL 60048
- Practice phone
- Call (224) 504-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate Surgery Center Libertyville
Surgery Center - Medicare-Certified · Libertyville, Illinois
Find Dr. Johnson'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. Robert B. Johnson is a cardiologist in Libertyville, Illinois
Dr. Johnson practices at Advocate Surgery Center Libertyville in Libertyville, Illinois.
Dr. Johnson's NPI, 1073579397, was assigned on April 25, 2006. Dr. Johnson graduated from Yale University School of Medicine in 1992. Dr. Johnson holds Illinois license 036-121148.
- NPI
- 1073579397NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658391909
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (224) 504-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert B. Johnson practices at Advocate Surgery Center Libertyville in Libertyville, Illinois
Dr. Johnson's primary practice is Advocate Surgery Center Libertyville, at 825 S Milwaukee Ave, Libertyville, IL 60048. The practice phone is (224) 504-2200.
- Advocate Surgery Center Libertyville825 S Milwaukee Ave, Libertyville, IL 60048Phone(224) 504-2200
Source: Dmand AI Affiliation Data
Dr. Robert B. Johnson is affiliated with 7 sites of care and 2 medical groups
Dr. Johnson's primary practice is Advocate Surgery Center Libertyville in Libertyville, Illinois. Dr. Johnson is also affiliated with Advocate Condell Medical Center. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Johnson to 3 more hospitals, 2 group practices and clinics and 1 medical group, 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. Robert B. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Surgery Center Libertyville | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert B. Johnson is one of 908 cardiologists in Illinois
Cardiovascular disease is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Johnson's licenses on file in 2 states: Illinois and New York.
Specialties and state licenses
- Cardiovascular disease, IllinoisPrimary
- Internal medicine, New York
Cardiologists near Dr. Johnson
Counts of cardiologists 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. Robert B. Johnson billed Medicare for 2,805 services in 2024
CMS data shows 2,805 Medicare services from Dr. Johnson across 20 procedure codes in 2024, for 1,436 Medicare patients. Medicare paid $116,298 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,6142024: 1,6673%
- Office and hospital visits
- 2023: 1,1732024: 1,1076%
- Surgery
- 2023: 262024: 3119%
Where Dr. Johnson's Medicare services took place, 2024
- In an office94034%
- In a facility1,86566%
Dr. Johnson compared with the Illinois median for cardiologists, 2024
- Dr. Johnson
- Illinois median
- Medicare services
- 2,805vs 1,93645% above
- Medicare patients
- 1,436vs 1,02340% above
- Part D claims
- 3,354vs 1,5022.2 times
Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Johnson'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other cardiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert B. Johnson treated 1,436 Medicare patients in 2024, average age 77
CMS counts 1,436 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 524 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.96, 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. Johnson's median patient age at 71, with 48% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women82658%
- Men61042%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease44%
- Diabetes42%
- Chronic kidney disease41%
- Heart failure41%
- Atrial fibrillation40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert B. Johnson wrote 3,645 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 3,645 Medicare Part D claims for 472 patients. 84% of them were for generic drugs. CMS names the drug for 3,354 of them, across 36 drugs with 11 or more claims each, at $854,779 in total drug cost. In 2023, CMS named 2,825 claims across 36 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic3,071 claims84%
- Brand-name574 claims16%
Dr. Johnson's 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. Johnson's Part D claims, 2024
- Antibiotics1%28 of 3,645 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: 2,8252024: 3,35419%
Drugs named by CMS: 36 in 2024, 36 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
How Dr. Robert B. Johnson takes part in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert B. Johnson received $1,196 in industry payments from 2016 to 2025
CMS Open Payments shows 48 general payments to Dr. Johnson from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Boston Scientific Corporation paid the most, $269.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
- Food and beverage$1,16998%
- Education$272%
Companies that paid Dr. Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert B. Johnson graduated from Yale University School of Medicine
Dr. Johnson graduated from Yale University School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert B. Johnson'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)Medicare Part D Prescribers - by Provider (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) |
| 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. Robert B. Johnson
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. Robert B. Johnson's NPI number?
Dr. Robert B. Johnson's NPI number is 1073579397. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert B. Johnson?
Dr. Robert B. Johnson is a cardiologist in Libertyville, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Robert B. Johnson practice?
Dr. Johnson practices at 825 S Milwaukee Ave, Libertyville, IL 60048. Dr. Johnson's primary practice is Advocate Surgery Center Libertyville in Libertyville, Illinois. Dmand AI also links Dr. Johnson to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Robert B. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (224) 504-2200.
What is Dr. Robert B. Johnson's medical license number?
Dr. Johnson holds Illinois license 036-121148, one of the licenses on file in 2 states.
Which states has Dr. Robert B. Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in Illinois and New York.
Which hospitals is Dr. Robert B. Johnson affiliated with?
Dr. Johnson is affiliated with Advocate Condell Medical Center. Dmand AI links Dr. Johnson to 3 more hospitals.
What medical group is Dr. Robert B. Johnson part of?
Dr. Johnson is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Robert B. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 2,805 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Robert B. Johnson see?
CMS counts 1,436 Medicare patients who saw Dr. Johnson in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Robert B. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99213) and hospital inpatient care (99233).
Where did Dr. Robert B. Johnson go to medical school?
Dr. Johnson graduated from Yale University School of Medicine in 1992.
What drugs does Dr. Robert B. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Eliquis.
Has Dr. Robert B. Johnson received payments from drug or device companies?
CMS Open Payments shows $1,196 in general payments to Dr. Johnson from 22 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Robert B. Johnson been practicing?
Dr. Johnson graduated from medical school in 1992, 34 years ago.
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