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DR. ARVIND K MAHESHWARI MD
NPI 1659767903
Internal Medicine in Barrington, IL

Active since April 14, 2015PECOS EnrolledAccepts Medicare Assignment
27750 W HIGHWAY 22 STE 110, BARRINGTON, IL 60010(847) 842-5920(847) 842-5921 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 2, 2025, Oct 16, 2023, Mar 14, 2023 and 4 more (7 updates tracked since 2018).

About Dr. Arvind K Maheshwari Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ARVIND K MAHESHWARI MD (NPI 1659767903) is an individual internal medicine provider in Barrington, Illinois, licensed in Illinois (036-146220) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1659767903
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ARVIND K MAHESHWARICredential: MD
Location Address27750 W HIGHWAY 22 STE 110Barrington, IL 60010-2379
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(847) 842-5920
Fax(847) 842-5921
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateApril 14, 2015
Last NPPES UpdateSeptember 2, 20257 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
✔ NPI 1659767903 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036-146220✔ Licensed in IL · 036146220
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 036-146220 (IL), 65771 (MN)
27750 W HIGHWAY 22 STE 110, Barrington, IL 60010
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Secondary Practice Locations 2

Location 1450 W Highway 22Barrington, IL 60010-1919 · Phone (847) 381-0123
Location 2380 N Terra Cotta Rd Ste ACrystal Lake, IL 60012-1809 · Phone (154) 446-3628 · Fax (815) 444-6301

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Arvind K Maheshwari Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749598241
PECOS Enrollment IDI20181004001997
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
203 services78 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
139 services88 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
133 services60 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
115 services115 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
95 services83 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
86 services64 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Sherman Hospital

Acute Care Hospitals · Elgin, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140030
Location1425 North Randall RoadElgin, IL 60123 · Kane County
Emergency services Birthing friendly

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140182
Location836 West Wellington AvenueChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Advocate Good Shepherd Hospital

Acute Care Hospitals · Barrington, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140291
Location450 West Highway 22Barrington, IL 60010 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
70%27 patients3/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
44%27 patients2/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
7%27 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
11%27 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers32 claims32 services$195.52 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JANAKI HASMUKH SHAH-DESAI AGNP
Nurse Practitioner
27750 W HIGHWAY 22 STE 110
BARRINGTON, IL 60010
Cook County (847) 842-5920

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Arvind Maheshwari's NPI number?

The NPI number for Arvind Maheshwari is 1659767903. It was assigned to this individual provider in the NPPES registry on April 14, 2015.

Where is Arvind Maheshwari located?

Arvind Maheshwari practices at 27750 W Highway 22 Ste 110, Barrington, IL 60010. The listed phone number is (847) 842-5920.

What is Arvind Maheshwari's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Arvind Maheshwari enrolled in Medicare?

Yes. Arvind Maheshwari is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Arvind Maheshwari accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Arvind Maheshwari as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Arvind Maheshwari affiliated with any hospitals?

According to CMS data, Arvind Maheshwari is affiliated with Advocate Sherman Hospital, Advocate Illinois Masonic Medical Center, Advocate Condell Medical Center, Advocate Lutheran General Hospital and Advocate Good Shepherd Hospital.

When was this NPI record last updated?

The NPPES record for Arvind Maheshwari was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.