Doctor profile · Federal record

Dr. Diane Mastroianni, OT

Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Monson, MA

  • NPI 1801322391
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
434 Lower Hampden RD
Monson, MA 010579739
(413) 267-5326

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
225X00000X — NUCC code
State license (1)
Massachusetts #10458

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801322391. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
293
Distinct HCPCS
1
Medicare allowed
$7,815
HCPCS Description Services Patients Avg allowed
97535 Training for self-care or home management, each 15 minutes 293 12 $27

In context: peer comparison

Among 1 peers in Monson Occupational Therapist, average services per provider: 293. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Mastroianni's medical specialty?
Dr. Diane Mastroianni practices Occupational Therapist in Monson, MA.
Where does Dr. Diane Mastroianni practice?
Dr. Diane Mastroianni practices at 434 Lower Hampden RD, Monson, MA 010579739. Office phone: 4132675326.
What is Dr. Diane Mastroianni's NPI?
Dr. Diane Mastroianni's National Provider Identifier (NPI) is 1801322391, issued by NPPES.
Does Dr. Diane Mastroianni accept Medicare assignment?
Yes. Dr. Diane Mastroianni accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Mastroianni commonly perform?
Top Medicare-reported procedures in 2023: Training for self-care or home management (HCPCS 97535). Source: CMS Medicare Physician & Other Practitioners file.