Doctor profile · Federal record

Dr. Mary Guzek, D.M.D.

Endodontist · Charlestown, MA

  • NPI 1124213111
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
69 High St, Unit#1
Charlestown, MA 021293023
(917) 386-8803
fax (617) 337-5711

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
April 3, 2010
Specialty taxonomy
1223E0200X — NUCC code
State license (1)
Massachusetts #21996

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124213111. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Solventum Corporation 1 $30.67

By nature of payment

Food and Beverage
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
29
Total drug cost
$102
Drug Type Claims Patients Total cost
Amoxicillin Generic 30 29 $76
Azithromycin Generic 11 0 $26

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Guzek's medical specialty?
Dr. Mary Guzek practices Endodontist in Charlestown, MA.
Where does Dr. Mary Guzek practice?
Dr. Mary Guzek practices at 69 High St, Charlestown, MA 021293023. Office phone: 9173868803.
What is Dr. Mary Guzek's NPI?
Dr. Mary Guzek's National Provider Identifier (NPI) is 1124213111, issued by NPPES.