DR. STEVEN R SIERAKOWSKI DMD
NPI 1508889387
Dentist - Periodontics in Glen Mills, PA

Q: What is Steven Sierakowski's NPI number?

The NPI number for Steven Sierakowski is 1508889387. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Q: What is Steven Sierakowski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

Active since July 25, 2006

1786 WILMINGTON W CHESTER PIKE STE 100B, GLEN MILLS, PA 19342(610) 558-8283(610) 558-9868 Get Directions Write a Review

NPPES record last updated: July 22, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Steven R Sierakowski Dmd NPPES

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

DR. STEVEN R SIERAKOWSKI DMD (NPI 1508889387) is an individual periodontics provider in Glen Mills, Pennsylvania, licensed in Pennsylvania (DS036012) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1508889387

Entity TypeIndividualMale

Primary Taxonomy1223P0300X

Provider Legal NameDR. STEVEN R SIERAKOWSKICredential: DMD

Location Address1786 WILMINGTON W CHESTER PIKE STE 100BGlen Mills, PA 19342-8198

Mailing Address1786 Wilmington W Chester Pike Ste 100bGlen Mills, PA 19342-8198 · (610) 558-8283 · Fax (610) 558-9868

Phone(610) 558-8283

Fax(610) 558-9868

Sole ProprietorYes

Enumeration DateJuly 25, 2006

Last NPPES UpdateJuly 22, 2021

NPPES CertifiedJuly 22, 2021

✔ NPI 1508889387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers

Taxonomy Code1223P0300X

Licenses✔ Licensed in PA · DS036012✔ Licensed in DE · G1-0001284✔ Licensed in NJ · 22DI02300400

Definition

That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

1786 WILMINGTON W CHESTER PIKE STE 100B, Glen Mills, PA 19342

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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 Steven Sierakowski's NPI number?

The NPI number for Steven Sierakowski is 1508889387. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is Steven Sierakowski located?

Steven Sierakowski practices at 1786 Wilmington W Chester Pike Ste 100B, Glen Mills, PA 19342. The listed phone number is (610) 558-8283.

What is Steven Sierakowski's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

When was this NPI record last updated?

The NPPES record for Steven Sierakowski was last updated on July 22, 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.