Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Arvind K Maheshwari, MD

Individual provider Internal Medicine Physician · NPI 1659767903

Dr. Arvind K Maheshwari, MD is an Endocrinology in Barrington, Illinois. Qualified in 2014, 12 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Minnesota.

Years since qualifying
12
Licensed in
IL, MN
In the registry since
2015
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

27750 W Highway 22 Ste 110
Barrington, IL 60010-2379
Phone: (847) 842-5920
Fax: (847) 842-5921
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 450 W Highway 22, Barrington, IL 60010-1919 — (847) 381-0123
  • 380 N Terra Cotta Rd Ste A, Crystal Lake, IL 60012-1809 — (154) 446-3628

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036-146220 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036146220 (IL)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 036-146220 (IL)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 65771 (MN)

Record details

NPI number1659767903
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 14, 2015
Last updated in NPPESSeptember 2, 2025
Certification dateSeptember 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations10 on file with Medicare

Other providers in Barrington