DR. ALINA SO DO
NPI 1306417431
Pediatrics in Chicago, IL

Q: What is Alina So's NPI number?

The NPI number for Alina So is 1306417431. It was assigned to this individual provider in the NPPES registry on July 9, 2021.

Q: What is Alina So's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Alina So was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since July 09, 2021PECOS Enrolled

1901 W HARRISON ST, CHICAGO, IL 60612(312) 864-0000 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 26, 2026, Jul 9, 2021 (2 updates tracked since 2021).

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About Dr. Alina So Do NPPES

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

DR. ALINA SO DO (NPI 1306417431) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036172202) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1306417431

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. ALINA SOCredential: DO

Location Address1901 W HARRISON STChicago, IL 60612-3714

Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-0000

Phone(312) 864-0000

Sole ProprietorNo

Enumeration DateJuly 9, 2021

Last NPPES UpdateJanuary 26, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 26, 2026

✔ NPI 1306417431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036172202

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1901 W HARRISON ST, Chicago, IL 60612

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Secondary Practice Location 1

Location 11801 W Taylor StChicago, IL 60612-4795 · Phone (312) 996-7000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alina So Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

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

Cook County

Same address

End-Stage Renal Disease (ESRD) Treatment

1901 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
1,047 clinicians in this Medicare group

NPI 1821278938 (312) 864-6000

The Board Of Trustees Of The University Of Illinois

0.2 mi

Occupational Medicine

835 S. WOLCOTT, SUITE E-144; MC 684
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
2,127 clinicians in this Medicare group

NPI 1043727571 (312) 996-7420

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 60612 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

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.

JOHANNA WEFES-POTTER

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (847) 843-2000

ARON BERHANU GUDETTA MD

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

DR. LIGAYA VILLAFRANCA MARASIGAN M.D.

Obstetrics & Gynecology (Gynecology)

1901 W HARRISON ST
CHICAG, IL 60612

Cook County (312) 864-5901

TIN TIN THOMAS M.D.

Internal Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6000

COOK COUNTY

Pharmacy (Clinic Pharmacy)

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-6189

HELEN ELIZABETH STRAUS MD

Emergency Medicine

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (312) 864-0060

MR. GLEN DERRICK TRAMMELL PA-C

Physician Assistant

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 869-7488

JOHN H STROGER, JR. HOSPITAL OF COOK COUNTY

General Acute Care Hospital

1901 W HARRISON ST
CHICAGO, IL 60612

Cook County (773) 319-2085

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 Alina So's NPI number?

The NPI number for Alina So is 1306417431. It was assigned to this individual provider in the NPPES registry on July 9, 2021.

Where is Alina So located?

Alina So practices at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-0000.

What is Alina So's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Alina So enrolled in Medicare?

Yes. Alina So is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alina So's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alina So reassigns Medicare benefits to 2 organizations: Cook County (Chicago, IL) and The Board Of Trustees Of The University Of Illinois (Chicago, IL). 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 Alina So's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alina So was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.