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AARAN VARATHARAJAN MD
NPI 1881215606
Anesthesiology - Pain Medicine in Skokie, IL

Active since May 04, 2020PECOS EnrolledAccepts Medicare Assignment
9600 GROSS POINT RD # 1200, SKOKIE, IL 60076(847) 945-7246(847) 933-6772 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 22, 2026, Jul 1, 2024, Jun 17, 2024 and 2 more (5 updates tracked since 2020).

About Aaran Varatharajan Md NPPES

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

AARAN VARATHARAJAN MD (NPI 1881215606) is an individual pain medicine provider in Skokie, Illinois, licensed in Illinois (036176537) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Gainesville.

NPPES Registry Identity

NPI1881215606
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameAARAN VARATHARAJANCredential: MD
Location Address9600 GROSS POINT RD # 1200Skokie, IL 60076-1214
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315
Phone(847) 945-7246
Fax(847) 933-6772
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMay 4, 2020
Last NPPES UpdateApril 22, 20265 updates tracked since enumeration
NPPES CertifiedApril 22, 2026
✔ NPI 1881215606 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in IL · 036176537
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 036176537 (IL), ME0167001 (FL)
9600 GROSS POINT RD # 1200, Skokie, IL 60076
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Secondary Practice Location 1

Location 11600 SW Archer RdGainesville, FL 32610-3003 · Phone (352) 265-0111

Other Identifiers 1

Medicaid122611600FL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaran Varatharajan 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 ID4981035979
PECOS Enrollment IDI20251003000544
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Aaran Varatharajan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endeavor Health Medical Group
2.9 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235
Florida Clinical Practice Association Inc
908 mi
Surgery
1600 SW ARCHER RD
Gainesville, FL 32610
  • Reassigned Medicare billing, Florida enrollment
  • 3,324 clinicians in this Medicare group
NPI 1063463768 (352) 265-7922

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

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 Aaran Varatharajan's NPI number?

The NPI number for Aaran Varatharajan is 1881215606. It was assigned to this individual provider in the NPPES registry on May 4, 2020.

Where is Aaran Varatharajan located?

Aaran Varatharajan practices at 9600 Gross Point Rd # 1200, Skokie, IL 60076. The listed phone number is (847) 945-7246.

What is Aaran Varatharajan's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Aaran Varatharajan enrolled in Medicare?

Yes. Aaran Varatharajan 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.

Which organizations bill Medicare for Aaran Varatharajan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaran Varatharajan reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Florida Clinical Practice Association Inc (Gainesville, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aaran Varatharajan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Aaran Varatharajan affiliated with any hospitals?

According to CMS data, Aaran Varatharajan is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Aaran Varatharajan was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.