Dr. Isaac Thomas, MD
- Medicare services, 2024
- 2,596
- Medicare patients, 2024
- 871
- Part D claims, 2024
- 2,525
- MIPS score, 2024
- 88
- Hospital affiliations
- 3
- Practice address
- 3915 W Oglesby Ave, Gurnee, IL 60031
- Practice phone
- Call (847) 336-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Heart and Vascular Center of Lake County
Gurnee, Illinois
Find Dr. Thomas' 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. Isaac Thomas is a cardiologist in Gurnee, Illinois
Dr. Thomas practices at Heart and Vascular Center of Lake County in Gurnee, Illinois.
Dr. Thomas' NPI, 1083662894, was assigned on May 4, 2006. Dr. Thomas holds Wisconsin license 13522.
- NPI
- 1083662894NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305884180
- NPI enumeration date
- May 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 336-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Isaac Thomas practices at Heart and Vascular Center of Lake County in Gurnee, Illinois
Dr. Thomas' primary practice is Heart and Vascular Center of Lake County, at 3915 W Oglesby Ave, Gurnee, IL 60031 in Lake County. The practice phone is (847) 336-1600.
- Heart and Vascular Center of Lake County3915 W Oglesby Ave, Gurnee, IL 60031 · Lake CountyPhone(847) 336-1600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Isaac Thomas is affiliated with 6 sites of care and 3 medical groups
Dr. Thomas' primary practice is Heart and Vascular Center of Lake County in Gurnee, Illinois. Dr. Thomas is also affiliated with Advocate Condell Medical Center. The medical group on file is Heart and Vascular Center of Lake County. Dmand AI also links Dr. Thomas to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Isaac Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Heart and Vascular Center of Lake County | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Isaac Thomas is one of 908 cardiologists in Illinois
Cardiovascular disease is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Thomas' licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Cardiovascular disease, WisconsinPrimary
- Specialist, Illinois
Cardiologists near Dr. Thomas
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. Isaac Thomas billed Medicare for 2,596 services in 2024
CMS data shows 2,596 Medicare services from Dr. Thomas across 24 procedure codes in 2024, for 871 Medicare patients. Medicare paid $133,209 for them.
Dr. Thomas' Medicare services by type, 2024
- Tests and treatments1,560
- Office and hospital visits628
- Drugs given in the office182
- Other services91
- Imaging82
- Surgery53
Where Dr. Thomas' Medicare services took place, 2024
- In an office1,82970%
- In a facility76730%
Dr. Thomas compared with the Illinois median for cardiologists, 2024
- Dr. Thomas
- Illinois median
- Medicare services
- 2,596vs 1,93634% above
- Medicare patients
- 871vs 1,02315% below
- Part D claims
- 2,316vs 1,50254% above
Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Thomas' 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. Isaac Thomas treated 871 Medicare patients in 2024, average age 76
CMS counts 871 Medicare patients who saw Dr. Thomas in 2024. The largest group is 75 to 84, with 343 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.00, 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. Thomas' median patient age at 63, with 53% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women45953%
- Men41247%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes48%
- Ischemic heart disease46%
- Chronic kidney disease42%
- Heart failure39%
- Atrial fibrillation38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Isaac Thomas wrote 2,525 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 2,525 Medicare Part D claims for 317 patients. 78% of them were for generic drugs. CMS names the drug for 2,316 of them, across 40 drugs with 11 or more claims each, at $615,662 in total drug cost.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic1,972 claims78%
- Brand-name553 claims22%
Dr. Thomas' 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.
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
Dr. Isaac Thomas scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Thomas for performance year 2024, reported as part of a group. Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thomas' MIPS scores, performance year 2024
- 88of 100Final score
- 61.2of 100Quality
- 40of 100Improvement Activities
- 84of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Isaac Thomas received $3,092 in industry payments from 2024 to 2025
CMS Open Payments shows 114 general payments to Dr. Thomas from 24 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $341. It also lists 157 research payments totaling $227,682 from 2024 to 2025, naming 30 clinical trials.
General payments to Dr. Thomas by program year, 2024 to 2025
Companies that paid Dr. Thomas the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Isaac Thomas's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Isaac Thomas
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. Isaac Thomas' NPI number?
Dr. Isaac Thomas' NPI number is 1083662894. It was assigned on May 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Isaac Thomas?
Dr. Isaac Thomas is a cardiologist in Gurnee, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Isaac Thomas practice?
Dr. Thomas practices at 3915 W Oglesby Ave, Gurnee, IL 60031. Dr. Thomas' primary practice is Heart and Vascular Center of Lake County in Gurnee, Illinois. Dmand AI also links Dr. Thomas to 2 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Isaac Thomas' office phone number?
The practice phone on file for Dr. Thomas is (847) 336-1600.
What is Dr. Isaac Thomas' medical license number?
Dr. Thomas holds Wisconsin license 13522, one of the licenses on file in 2 states.
Which states has Dr. Isaac Thomas been licensed in?
Dmand AI has state licenses on file for Dr. Thomas in Wisconsin and Illinois.
Which hospitals is Dr. Isaac Thomas affiliated with?
Dr. Thomas is affiliated with Advocate Condell Medical Center. Dmand AI links Dr. Thomas to 2 more hospitals.
What medical group is Dr. Isaac Thomas part of?
Dr. Thomas is linked to Heart and Vascular Center of Lake County. Dmand AI links Dr. Thomas to 2 more medical groups.
Does Dr. Isaac Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 2,596 services in 2024, and Dr. Thomas accepts Medicare assignment.
What is Dr. Isaac Thomas' MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Isaac Thomas see?
CMS counts 871 Medicare patients who saw Dr. Thomas in 2024, with an average age of 76.
What services does Dr. Isaac Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93306).
What drugs does Dr. Isaac Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Carvedilol, Amlodipine Besylate and Metoprolol Succinate.
Has Dr. Isaac Thomas received payments from drug or device companies?
CMS Open Payments shows $3,092 in general payments to Dr. Thomas from 24 companies from 2024 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Isaac Thomas been practicing?
Dr. Thomas graduated from medical school in 1979, 47 years ago.
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