Parag Thakkar, MD
Internal Medicine Physician · Grayslake, IL
Parag Thakkar, MD is an internal medicine physician with a practice address in Grayslake, Illinois, and NPI 1245256965, issued on Jul 14, 2006. Check the license (Illinois 036-106242, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Parag Thakkar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-106242 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1170 E Belvidere RD, Grayslake, IL 60030
- Phone
- (847) 548-9186
- Enumerated
- Jul 14, 2006
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 548-1356
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1170 E Belvidere RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Avila, MDPediatric Adolescent Medicine Physician1548254691
- Scott Beckman, PHYSICAL THERAPISTPhysical Therapist1740367655
- Elizabeth Goodman, LCSWClinical Social Worker1750826103
- Christine Jakubec, M.A., CCC-AAudiologist1114170115
- Karin Kallwitz, MDPediatric Adolescent Medicine Physician1003800129
- Lisa Keel, PHD, MA, LCPCCounselor1295774271
Verify Parag Thakkar 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 036-106242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,285 Medicare Part D claims for 158 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium227 claims
- Amlodipine Besylate124 claims
- Metformin Hcl118 claims
- Rosuvastatin Calcium115 claims
- Losartan Potassium92 claims
- Metoprolol Succinate91 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.
Industry payments in 2024: $37.53
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Parag Thakkar among 7,238 internal medicine physician records in Illinois
Parag Thakkar, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Grayslake
They are 7 of the 572 NPPES records with a practice address in Grayslake, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Grayslake → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lawrence Amato, M.D.Grayslake, IL 600301528020690
- Howard Axe, MDGrayslake, IL 600301649254939
- Vincent Doan, DOGrayslake, IL 600301215671391
- Robert Gerber, MDGrayslake, IL 600301568618296
- Carola Nesbitt, M.D.Third Lake, IL 600301881979797
- Agata Oczko-Danguilan, M.D.Grayslake, IL 600301285701714
- Dilraj Sidhu, M.D.Grayslake, IL 600301811953722
- Vivek Arora, M.D.Gurnee, IL 600311194712638
Common questions
What is Parag Thakkar, MD's NPI number?
Parag Thakkar, MD's National Provider Identifier (NPI) is 1245256965, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Parag Thakkar, MD located?
The NPPES record lists a practice address at 1170 E Belvidere RD, Grayslake, IL, 60030. Phone: (847) 548-9186. Providers update this record themselves, so call before visiting.
How can I verify Parag Thakkar, MD's license?
NPPES lists Illinois license number 036-106242, 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 Parag Thakkar, MD prescribe under Medicare Part D?
In 2024, Parag Thakkar, MD had 2,285 Medicare Part D claims for 158 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.