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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.

MINALI NIGAM AGGARWAL MD
NPI 1235751462
Psychiatry & Neurology - Neurology in Chicago, IL

Active since May 11, 2020PECOS EnrolledAccepts Medicare Assignment
259 E ERIE ST STE 1900, CHICAGO, IL 60611(312) 695-7950(312) 695-5747 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 13, 2026, May 12, 2025, Jul 17, 2024 and 2 more (5 updates tracked since 2020).

About Minali Nigam Aggarwal Md NPPES

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

MINALI NIGAM AGGARWAL MD (NPI 1235751462) is an individual neurology provider in Chicago, Illinois, licensed in Illinois (036180623) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Newton-wellesley Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1235751462
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameMINALI NIGAM AGGARWALCredential: MD
Location Address259 E ERIE ST STE 1900Chicago, IL 60611-3246
Mailing Address259 E Erie St Ste 1900Chicago, IL 60611-3246 · (312) 695-7950 · Fax (312) 695-5747
Phone(312) 695-7950
Fax(312) 695-5747
Sole ProprietorNo
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 2019
Enumeration DateMay 11, 2020
Last NPPES UpdateOctober 13, 20265 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1235751462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses✔ Licensed in IL · 036180623✔ Licensed in MA · 1019077
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.
259 E ERIE ST STE 1900, Chicago, IL 60611
Open in Google Maps ↗

Other Names 1

Former Name (1)Minali Nigam

Secondary Practice Locations 3

Location 1330 Brookline AveBoston, MA 02215-5400 · Phone (617) 667-7000
Location 275 Francis StBoston, MA 02115-6110 · Phone (617) 732-5500
Location 355 Fruit StBoston, MA 02114-2621 · Phone (617) 726-8639

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

Minali Nigam Aggarwal 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 ID1850716911
PECOS Enrollment IDI20240725003586
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

4

Medicare enrollment records show Minali Nigam Aggarwal reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwestern Medical Faculty Foundation
34 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866
Brigham & Womens Physicians Organization Inc
848 mi
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500
Massachusetts General Physicians Organization Inc
850 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287
The General Hospital Corporation
850 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000

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 3

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

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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.

MORGAN V MASLAUSKI PA-C
Physician Assistant
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950
DR. EDITH GRAHAM M.D.
Psychiatry & Neurology (Neurology)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950
MATTHEW FRANCIS BLAZO PA-C
Physician Assistant
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950
NICHOLAS HAC M.D.
Psychiatry & Neurology (Neurology)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950
LI ZHANG MD
Psychiatry & Neurology (Neuromuscular Medicine)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950
PROF. ERIK P PIORO MD, PHD
Psychiatry & Neurology (Neuromuscular Medicine)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950
BIANCA BARCELO MD
Psychiatry & Neurology (Neurology)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950
SENDA AJROUD-DRISS MD
Psychiatry & Neurology (Neuromuscular Medicine)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Cook County (312) 695-7950

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 Minali Nigam Aggarwal's NPI number?

The NPI number for Minali Nigam Aggarwal is 1235751462. It was assigned to this individual provider in the NPPES registry on May 11, 2020. The provider is also known as Minali Nigam.

Where is Minali Nigam Aggarwal located?

Minali Nigam Aggarwal practices at 259 E Erie St Ste 1900, Chicago, IL 60611. The listed phone number is (312) 695-7950.

What is Minali Nigam Aggarwal's specialty?

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

Is Minali Nigam Aggarwal enrolled in Medicare?

Yes. Minali Nigam Aggarwal 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 Minali Nigam Aggarwal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Minali Nigam Aggarwal reassigns Medicare benefits to 4 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), Brigham & Womens Physicians Organization Inc (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). 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 Minali Nigam Aggarwal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Minali Nigam Aggarwal affiliated with any hospitals?

According to CMS data, Minali Nigam Aggarwal is affiliated with Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Minali Nigam Aggarwal was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.