HARJYOT CHAHAL M.D.
NPI 1306160247
Internal Medicine - Endocrinology, Diabetes & Metabolism in Vernon Hills, IL

Q: What is Harjyot Chahal's NPI number?

The NPI number for Harjyot Chahal is 1306160247. It was assigned to this individual provider in the NPPES registry on March 22, 2010. The provider is also known as Harjyot Sandhu MD.

Q: What is Harjyot Chahal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Harjyot Chahal was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since March 22, 2010PECOS EnrolledAccepts Medicare Assignment

870 N MILWAUKEE AVE FL 2, VERNON HILLS, IL 60061(847) 535-7647(847) 535-8109 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 13, 2021, Dec 7, 2019 (2 updates tracked since 2019).

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About Harjyot Chahal M.d. NPPES

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

HARJYOT CHAHAL M.D. (NPI 1306160247) is an individual endocrinology, diabetes & metabolism provider in Vernon Hills, Illinois, licensed in Illinois (036124980) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Lake Forest.

NPPES Registry Identity

NPI1306160247

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameHARJYOT CHAHALCredential: M.D.

Location Address870 N MILWAUKEE AVE FL 2Vernon Hills, IL 60061-1521

Mailing Address870 N Milwaukee Ave Fl 2Vernon Hills, IL 60061-1521 · (847) 535-7647 · Fax (847) 535-8109

Phone(847) 535-7647

Fax(847) 535-8109

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateMarch 22, 2010

Last NPPES UpdateOctober 16, 20252 updates tracked since enumeration

NPPES CertifiedOctober 16, 2025

✔ NPI 1306160247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in IL · 036124980

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 036124980 (IL)

Also ListedHospitalistTaxonomy 208M00000X · License 036.124980 (IL)

870 N MILWAUKEE AVE FL 2, Vernon Hills, IL 60061

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Other Names 1

Former Name (1)Harjyot Sandhu Md

Secondary Practice Location 1

Location 1660 N Westmoreland RdLake Forest, IL 60045-1659 · Phone (847) 234-5600

Other Identifiers 1

Other036124980IL · Illinois Permanent Physician License

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

Harjyot Chahal M.d. 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 ID7012104193

PECOS Enrollment IDI20101215000734

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 10

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.

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.

235 services168 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

213 services83 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

76 services28 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.

60 services29 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.

52 services37 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

52 services47 patients

Hospital Affiliations CMS Care Compare 5

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60061 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.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers27 claims56 services$6.14 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers18 claims21 services$1.08 avg. paid by Medicare

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

17 suppliers263 claims263 services$185.09 avg. paid by Medicare

Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554

DME-Other DME · category DE017N

7 suppliers18 claims18 services$203.68 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 4

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

MS. BRIGIT ZIELINSKI APRN, CNP

Nurse Practitioner

870 N MILWAUKEE AVE FL 2
VERNON HILLS, IL 60061

Lake County (847) 535-7157

MR. HOWARD R BAKER D.O.

Internal Medicine

870 N MILWAUKEE AVE FL 2
VERNON HILLS, IL 60061

Lake County (847) 535-7157

DR. NEAL SHAH M.D.

Internal Medicine

870 N MILWAUKEE AVE FL 2
VERNON HILLS, IL 60061

Lake County (847) 535-7157

STEVEN M WITZEL MD

Internal Medicine

870 N MILWAUKEE AVE FL 2
VERNON HILLS, IL 60061

Lake County (847) 535-7157

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 Harjyot Chahal's NPI number?

The NPI number for Harjyot Chahal is 1306160247. It was assigned to this individual provider in the NPPES registry on March 22, 2010. The provider is also known as Harjyot Sandhu MD.

Where is Harjyot Chahal located?

Harjyot Chahal practices at 870 N Milwaukee Ave Fl 2, Vernon Hills, IL 60061. The listed phone number is (847) 535-7647.

What is Harjyot Chahal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Harjyot Chahal enrolled in Medicare?

Yes. Harjyot Chahal 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.

Is Harjyot Chahal affiliated with any hospitals?

According to CMS data, Harjyot Chahal is affiliated with Northshore University Healthsystem - Evanston Hospital, Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Harjyot Chahal was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.