AARON ALLEN HART M.D.
NPI 1073993861
Internal Medicine in Chicago, IL

Active since June 05, 2015PECOS EnrolledAccepts Medicare Assignment
2418 W DIVISION ST, CHICAGO, IL 60622(312) 666-3494(773) 360-7167 Get Directions Write a Review

NPPES record last updated: August 10, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Aaron Allen Hart M.d. NPPES

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

AARON ALLEN HART M.D. (NPI 1073993861) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036149711) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1073993861
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameAARON ALLEN HARTCredential: M.D.
Location Address2418 W DIVISION STChicago, IL 60622-2940
Mailing Address2418 W Division StChicago, IL 60622-2940 · (312) 666-3494
Fax(773) 360-7167
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2015
Enumeration DateJune 5, 2015
Last NPPES UpdateAugust 10, 2021
NPPES CertifiedAugust 10, 2021
✔ NPI 1073993861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036149711✔ Licensed in IL · 125067060
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.
2418 W DIVISION ST, Chicago, IL 60622

Secondary Practice Location 1

Location 11653 W Congress PkwyChicago, IL 60612-3833 · Phone (312) 942-5000

Accepted Insurance

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

Aaron Allen Hart 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 ID7810288248
PECOS Enrollment IDI20200324000145
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 Reassignment

Medicare enrollment records show Aaron Hart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
2418 W DIVISION ST
Chicago, IL 60622
  • Reassigned Medicare billing, Illinois enrollment
  • 383 clinicians in this Medicare group

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

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

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 60622 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.

Nurse Practitioner (Pediatrics)
2418 W DIVISION ST
CHICAGO, IL 60622
Family Medicine
2418 W DIVISION ST
CHICAGO, IL 60622
Pediatrics
2418 W DIVISION ST, ERIE FAMILY HEALTH CENTER
CHICAGO, IL 60622
Nurse Practitioner (Pediatrics)
2418 W DIVISION ST
CHICAGO, IL 60622
Clinic/Center (Community Health)
2418 W DIVISION ST
CHICAGO, IL 60622
Family Medicine
2418 W DIVISION ST
CHICAGO, IL 60622
Social Worker
2418 W DIVISION ST
CHICAGO, IL 60622
Pediatrics
2418 W DIVISION ST
CHICAGO, IL 60622

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 Aaron Hart's NPI number?

The NPI number for Aaron Hart is 1073993861. It was assigned to this individual provider in the NPPES registry on June 5, 2015.

Where is Aaron Hart located?

Aaron Hart practices at 2418 W Division St, Chicago, IL 60622. The listed phone number is (312) 666-3494.

What is Aaron Hart's specialty?

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

Is Aaron Hart enrolled in Medicare?

Yes. Aaron Hart 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 organization bills Medicare for Aaron Hart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Hart reassigns Medicare benefits to Erie Family Health Center Inc (Chicago, IL). The 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 Aaron Hart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Hart accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Aaron Hart 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 Aaron Hart affiliated with any hospitals?

According to CMS data, Aaron Hart is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Aaron Hart was last updated on August 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.