Isaac Thomas, MD
Cardiovascular Disease Physician · Gurnee, IL
Isaac Thomas, MD is a cardiovascular disease physician with a practice address in Gurnee, Illinois, and NPI 1083662894, issued on May 4, 2006. Check the license (Illinois 036.063274, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Isaac Thomas
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 036.063274 IL
036063274 IL
13522 WI
Self-reported in NPPES; status is on the state search - Practice location
- 222 S Greenleaf St Ste 109, Gurnee, IL 60031
- Phone
- (847) 336-1600
- Enumerated
- May 4, 2006
- Record last updated
- May 8, 2026
- Fax
- (847) 336-2380
- Medicaid IDs
- 036063274 IL
100268582 WI - Medicare enrollment
- Enrolled (PECOS I20260504006726); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,073 in Illinois → Look up another NPI →
Also registered at 222 S Greenleaf St Ste 109
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samarendra Chandel, MDCardiovascular Disease Physician1922096056
Verify Isaac Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.063274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,525 Medicare Part D claims for 317 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Carvedilol205 claims
- Amlodipine Besylate198 claims
- Metoprolol Succinate182 claims
- Rosuvastatin Calcium168 claims
- Atorvastatin Calcium141 claims
- Isosorbide Mononitrate Er117 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,748.23
59 payments; by number, the most common kind was food and beverage; the largest payer was Lexicon Pharmaceuticals, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- City OF Hope Medical Group OF Illinois PLLCZion, IL
- Froedtert South IncPleasant Prairie, WI
- Thomas And Thomas Medical LtdGurnee, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Thomas among 1,073 cardiovascular disease physician records in Illinois
Isaac Thomas, MD is one of 1,073 cardiovascular disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1979 · median 2001 among the 688 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Illinois
There are 1,073 cardiovascular disease physician records in Illinois.
All 1,073 in Illinois → Every provider in Gurnee → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Samarendra Chandel, MDGurnee, IL 600311922096056
- Isaac Dor, M.D.Gurnee, IL 600311982718409
- Charles Jaffe, DOGurnee, IL 600311285628982
- Wajahat Mirza, MDGrayslake, IL 600301245231570
- Joel Okner, M.D.Highland Park, IL 600351699783126
- Mark Stern, MDHighland Park, IL 600351770501306
- Gary Wilner, MDHighland Park, IL 600351962653253
- Sarah Alexander, M.D.Glenview, IL 600261801022124
Common questions
What is Isaac Thomas, MD's NPI number?
Isaac Thomas, MD's National Provider Identifier (NPI) is 1083662894, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Thomas, MD located?
The NPPES record lists a practice address at 222 S Greenleaf St Ste 109, Gurnee, IL, 60031. Phone: (847) 336-1600. Providers update this record themselves, so call before visiting.
How can I verify Isaac Thomas, MD's license?
NPPES lists Illinois license number 036.063274, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isaac Thomas, MD prescribe under Medicare Part D?
In 2024, Isaac Thomas, MD had 2,525 Medicare Part D claims for 317 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Isaac Thomas, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.