MRS. MARGARET MARIA SIERANTOWICZ MD
NPI 1275638215
Pediatrics in South Barrington, IL

Q: What is Margaret Sierantowicz's NPI number?

The NPI number for Margaret Sierantowicz is 1275638215. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Q: What is Margaret Sierantowicz's specialty?

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

Active since September 14, 2006

8 EXECUTIVE CT, SUITE 1, SOUTH BARRINGTON, IL 60010(847) 620-7969(847) 620-7977 Get Directions Write a Review

NPPES record last updated: February 22, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mrs. Margaret Maria Sierantowicz Md NPPES

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

MRS. MARGARET MARIA SIERANTOWICZ MD (NPI 1275638215) is an individual pediatrics provider in South Barrington, Illinois, licensed in Illinois (036076209) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1275638215

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameMRS. MARGARET MARIA SIERANTOWICZCredential: MD

Location Address8 EXECUTIVE CT, SUITE 1South Barrington, IL 60010-9531

Mailing Address8 Executive Ct, Suite 1South Barrington, IL 60010-9531 · (847) 620-7969 · Fax (847) 620-7977

Phone(847) 620-7969

Fax(847) 620-7977

Sole ProprietorYes

Enumeration DateSeptember 14, 2006

Last NPPES UpdateFebruary 22, 2014

✔ NPI 1275638215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036076209

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.

8 EXECUTIVE CT, South Barrington, IL 60010

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Other Identifiers 1

Medicaid05700736IL

Other Providers at the Same Location NPPES 4

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

RANDALL WILLIAM ESBROOK DDS

Dentist

8 EXECUTIVE CT, SUITE 2
SOUTH BARRINGTON, IL 60010

Cook County (847) 382-0700

ALLISON BARTLEY DMD PLLC

Dentist (General Practice)

8 EXECUTIVE CT
SOUTH BARRINGTON, IL 60010

Cook County (847) 382-0700

MICHAEL D. FEDYNA DDS, LTD.

Dentist

8 EXECUTIVE CT, SUITE 2
SOUTH BARRINGTON, IL 60010

Cook County (847) 382-0700

DR. ELIZABETH ANN TUCKER D.D.S.

Dentist (General Practice)

8 EXECUTIVE CT
SOUTH BARRINGTON, IL 60010

Cook County (847) 382-0700

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 Margaret Sierantowicz's NPI number?

The NPI number for Margaret Sierantowicz is 1275638215. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is Margaret Sierantowicz located?

Margaret Sierantowicz practices at 8 Executive Ct Suite 1, South Barrington, IL 60010. The listed phone number is (847) 620-7969.

What is Margaret Sierantowicz's specialty?

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

When was this NPI record last updated?

The NPPES record for Margaret Sierantowicz was last updated on February 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.