1. Home
  2. Directory
  3. Massachusetts
  4. Charlestown
  5. Dentist
  6. NPI Profile

DR. MARY ELIZABETH GUZEK D.M.D.
NPI 1124213111
Dentist - Endodontics in Charlestown, MA

Active since September 12, 2007PECOS Enrolled
69 HIGH ST, UNIT#1, CHARLESTOWN, MA 02129(917) 386-8803(617) 337-5711 Get Directions Write a Review

NPPES record last updated: April 3, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mary Elizabeth Guzek D.m.d. NPPES

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

DR. MARY ELIZABETH GUZEK D.M.D. (NPI 1124213111) is an individual endodontics provider in Charlestown, Massachusetts, licensed in Massachusetts (21996) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124213111
Entity TypeIndividualFemale
Primary Taxonomy1223E0200X
Provider Legal NameDR. MARY ELIZABETH GUZEKCredential: D.M.D.
Location Address69 HIGH ST, UNIT#1Charlestown, MA 02129-3023
Mailing Address69 High St, Unit #1Charlestown, MA 02129-3023 · (917) 386-8803 · Fax (617) 337-5711
Phone(917) 386-8803
Fax(617) 337-5711
Sole ProprietorNo
Enumeration DateSeptember 12, 2007
Last NPPES UpdateApril 3, 2010
✔ NPI 1124213111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in MA · 21996
Definition
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
69 HIGH ST, Charlestown, MA 02129
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Elizabeth Guzek D.m.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02129 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mary Guzek's NPI number?

The NPI number for Mary Guzek is 1124213111. It was assigned to this individual provider in the NPPES registry on September 12, 2007.

Where is Mary Guzek located?

Mary Guzek practices at 69 High St Unit#1, Charlestown, MA 02129. The listed phone number is (917) 386-8803.

What is Mary Guzek's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Is Mary Guzek enrolled in Medicare?

Yes. Mary Guzek is registered in the Medicare PECOS enrollment system.

What insurance does Mary Guzek accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 2 other insurers list Mary Guzek 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.

When was this NPI record last updated?

The NPPES record for Mary Guzek was last updated on April 3, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.