Doctor profile · Federal record

Dr. John Masi, DMD

Oral and Maxillofacial Surgery (Dentist) (CMS: Dentist) · Philadelphia, PA

  • NPI 1437686862
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
909 Walnut St Rm 300
Philadelphia, PA 191075211
(215) 503-7118
fax (215) 923-9189
Mailing address
515 S 16Th St Apt B
Philadelphia, PA 191461645

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
April 3, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
1223S0112X — NUCC code
State license (1)
Pennsylvania #DS041293

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437686862. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,071
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
DENTSPLY LLC 1 $3,000.00
Dentsply Sirona Inc 2 $70.77

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$3,000
Food and Beverage
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
196
Patients
175
Total drug cost
$882
Drug Type Claims Patients Total cost
Chlorhexidine Gluconate Generic 66 64 $310
Amoxicillin Generic 52 49 $123
Ibuprofen Generic 47 32 $170
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $144
Clindamycin Hcl Generic 15 14 $135

Frequently asked questions

Auto-generated from federal data
What is Dr. John Masi's medical specialty?
Dr. John Masi practices Oral and Maxillofacial Surgery (Dentist) in Philadelphia, PA.
Where does Dr. John Masi practice?
Dr. John Masi practices at 909 Walnut St Rm 300, Philadelphia, PA 191075211. Office phone: 2155037118.
What is Dr. John Masi's NPI?
Dr. John Masi's National Provider Identifier (NPI) is 1437686862, issued by NPPES.
Does Dr. John Masi accept Medicare assignment?
Yes. Dr. John Masi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.