Arvind K. Maheshwari, MD
Internal Medicine Physician · Barrington, IL
Arvind K. Maheshwari, MD is an internal medicine physician with a practice address in Barrington, Illinois, and NPI 1659767903, issued on Apr 14, 2015. Check the license (Illinois 036-146220, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Arvind K. Maheshwari
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036-146220 IL
036146220 IL
65771 MN
Self-reported in NPPES; status is on the state search - Practice location
- 27750 W Highway 22 Ste 110, Barrington, IL 60010
- Phone
- (847) 842-5920
- Enumerated
- Apr 14, 2015
- Record last updated
- Sep 2, 2025
- Fax
- (847) 842-5921
- Medicare enrollment
- Enrolled (PECOS I20181004001997); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 27750 W Highway 22 Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janaki Shah-Desai, AGNPNurse Practitioner1558050724
Verify Arvind K. Maheshwari 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 036-146220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,457 Medicare Part D claims for 287 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Lantus Solostar133 claims
- Levothyroxine Sodium93 claims
- Nano 2nd Gen Pen Needle92 claims
- Metformin Hcl70 claims
- Methimazole59 claims
- Tresiba Flextouch U-10052 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: $85.80
2 payments; by number, the most common kind was food and beverage; the largest payer was Xeris Pharmaceuticals, Inc. 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.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationElgin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arvind K. Maheshwari among 7,238 internal medicine physician records in Illinois
Arvind K. Maheshwari, 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 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2014 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 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).
17 internal medicine physician records list a practice address in Barrington
They are 17 of the 756 NPPES records with a practice address in Barrington, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Barrington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Roseann Brady, D.O.North Barrington, IL 600101477604106
- Melinda Einfalt, MDBarrington, IL 600101821084393
- Behzad Farah, MDBarrington, IL 600101689630915
- Rachel George, MD, MBASouth Barrington, IL 600101639109002
- John Gong, MDBarrington, IL 600101962414623
- Galina Goode, M.D.Barrington, IL 600101336209618
- Shahid Ilahi, M.D.Lake Barrington, IL 600101508867078
- Leo Kelly, M.D.Barrington, IL 600101386704666
Common questions
What is Arvind K. Maheshwari, MD's NPI number?
Arvind K. Maheshwari, MD's National Provider Identifier (NPI) is 1659767903, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Arvind K. Maheshwari, MD located?
The NPPES record lists a practice address at 27750 W Highway 22 Ste 110, Barrington, IL, 60010. Phone: (847) 842-5920. Providers update this record themselves, so call before visiting.
How can I verify Arvind K. Maheshwari, MD's license?
NPPES lists Illinois license number 036-146220, 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 Arvind K. Maheshwari, MD prescribe under Medicare Part D?
In 2024, Arvind K. Maheshwari, MD had 1,457 Medicare Part D claims for 287 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.