Arvind Maheshwari, MD
NPI 1659767903 · Internal Medicine Physician · Barrington, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arvind Maheshwari, MD is a Internal Medicine Physician provider in Barrington, IL (NPI 1659767903).
Provider details
- NPI number
- 1659767903
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036146220 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,119 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 233 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 203 | $114 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 139 | $178 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 133 | $119 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 115 | $221 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 133 | 60 |
| Levothyroxine Sodium | 93 | 41 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 92 | 46 |
| Metformin Hcl | 70 | 37 |
| Methimazole | 59 | 19 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 52 | 13 |
| Insulin Aspartbrand: Novolog Flexpen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$86 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 450 W Highway 22Barrington, IL 60010-1919Phone: (847) 381-0123
- 380 N Terra Cotta Rd Ste aCrystal Lake, IL 60012-1809Phone: (154) 446-3628Fax: (815) 444-6301
Registry dates
- Enumerated
- 2015-04-14
- Last updated
- 2025-09-02
- Certified
- 2025-09-02
Frequently asked questions
- What is Arvind Maheshwari's NPI number?
- Arvind Maheshwari's National Provider Identifier (NPI) is 1659767903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arvind Maheshwari's specialty?
- Arvind Maheshwari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arvind Maheshwari located?
- Arvind Maheshwari's practice location on file with NPPES is 27750 W Highway 22 Ste 110, Barrington, IL 60010-2379.
- What is Arvind Maheshwari's phone number?
- The practice phone number listed in the NPPES registry for Arvind Maheshwari is (847) 842-5920.
- Does Arvind Maheshwari accept Medicare?
- Arvind Maheshwari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arvind Maheshwari's NPI active?
- Yes — Arvind Maheshwari's NPI (1659767903) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.