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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RAJ SINGH THAPAR MD
NPI 1902484512
Psychiatry & Neurology - Neurology in Chicago, IL

Active since April 02, 2021PECOS Enrolled
5841 S MARYLAND AVE # MC2030, CHICAGO, IL 60637(773) 702-6222 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 29, 2026, Jul 2, 2024, Jun 29, 2024 and 1 more (4 updates tracked since 2021).

About Raj Singh Thapar Md NPPES

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

RAJ SINGH THAPAR MD (NPI 1902484512) is an individual neurology provider in Chicago, Illinois, licensed in Illinois (036.170760) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1902484512
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameRAJ SINGH THAPARCredential: MD
Location Address5841 S MARYLAND AVE # MC2030Chicago, IL 60637-1443
Mailing Address180 Harvester Dr. Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(773) 702-6222
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 2, 2021
Last NPPES UpdateJuly 29, 20264 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1902484512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in IL · 036.170760
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedInternal MedicineTaxonomy 207R00000X · License 25MA12669800 (NJ)
5841 S MARYLAND AVE # MC2030, Chicago, IL 60637
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Raj Singh Thapar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3274011846
PECOS Enrollment IDI20260204001086
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Other Providers at the Same Location NPPES 20

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

VIVIEN LU MD
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-6222
PAULINA MARZENA LIS MD
Psychiatry & Neurology (Neurology)
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-6222
RAISA C MARTINEZ M.D.
Psychiatry & Neurology (Neurocritical Care)
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-0151
AMY ELIZABETH ESPINAL
Psychiatry & Neurology (Neurology)
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-1780
SARAH ARORA MD
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-6222
DR. JENNIFER R WISEMAN MD
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-6222
RAVI GARG MD
Psychiatry & Neurology (Neurocritical Care)
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-6222
AHMAD DAIF
Psychiatry & Neurology (Neurology)
5841 S MARYLAND AVE # MC2030
CHICAGO, IL 60637
Cook County (773) 702-6222

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 Raj Thapar's NPI number?

The NPI number for Raj Thapar is 1902484512. It was assigned to this individual provider in the NPPES registry on April 2, 2021.

Where is Raj Thapar located?

Raj Thapar practices at 5841 S Maryland Ave # Mc2030, Chicago, IL 60637. The listed phone number is (773) 702-6222.

What is Raj Thapar's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Raj Thapar enrolled in Medicare?

Yes. Raj Thapar is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Raj Thapar was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.