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

ALISON L SZABO MD
NPI 1639543531
Internal Medicine - Pulmonary Disease in Chicago, IL

Q: What is Alison Szabo's NPI number?

The NPI number for Alison Szabo is 1639543531. It was assigned to this individual provider in the NPPES registry on November 16, 2015.

Q: What is Alison Szabo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Alison Szabo was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.

Active since November 16, 2015PECOS Enrolled

676 N SAINT CLAIR ST STE 2100, CHICAGO, IL 60611(312) 695-1800(312) 695-4741 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 31, 2026, Jun 2, 2019, Nov 16, 2015 (3 updates tracked since 2015).

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About Alison L Szabo Md NPPES

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

ALISON L SZABO MD (NPI 1639543531) is an individual pulmonary disease provider in Chicago, Illinois, licensed in Illinois (036158597) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Northwestern University Feinberg Medical School (2019).

NPPES Registry Identity

NPI1639543531

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameALISON L SZABOCredential: MD

Location Address676 N SAINT CLAIR ST STE 2100Chicago, IL 60611-2993

Mailing Address240 E Huron St Ste 1-200Chicago, IL 60611-2909

Phone(312) 695-1800

Fax(312) 695-4741

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2019

Enumeration DateNovember 16, 2015

Last NPPES UpdateAugust 31, 20263 updates tracked since enumeration

NPPES CertifiedAugust 31, 2026

✔ NPI 1639543531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in IL · 036158597

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125.073725 (IL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

676 N SAINT CLAIR ST STE 2100, Chicago, IL 60611

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Secondary Practice Location 1

Location 1240 E Huron St, Suite 1-200Chicago, IL 60611-2909 · Phone (312) 503-7975

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alison L Szabo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688907413

PECOS Enrollment IDI20260828002227

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 Alison Szabo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation

8.4 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

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

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 13

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

KIERSTEN JUDITH O'NEILL PA-C

Physician Assistant