DIANE MASTROIANNI (OT) – Occupational Therapist, NPI 1801322391

DIANE MASTROIANNI (OT) is a healthcare provider. based in Monson, Massachusetts. specializing in OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE. They hold the professional credentials OT. They hold a License No. 10458 (MA). The NPI Number for DIANE MASTROIANNI (OT) is 1801322391

Main info

Female
15 Years Of Experience
Accepts Medicare Assignment
Name
DIANE MASTROIANNI (OT)
NPI
1801322391
Phone
(413) 267-5326
Address
434 LOWER HAMPDEN RD
Enumeration Date
3 May 2017
Last Update Date
3 May 2017

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5858540700
Graduation Year
2011 (15 years ago)
PAC ID
3971870387
Group Practice PAC ID
3870570070
Professional Enrollment ID
I20170606000562
Address ID
MA016063071WO799XXSTXX403
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience32
Completeness75
Years active:9State licenses:1Digital endpointsOther names

370 OCCUPATIONAL THERAPIST IN PRIVATE PRACTICE in MA

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Provider Addresses for DIANE MASTROIANNI (OT)

  • 434, Lower Hampden Road, Monson, Hampden County, Massachusetts, 01057, United States

    MONSON, MA 010579739

    Phone: (413) 267-5326

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2017-06-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20170606000562IOccupational Therapist In Private PracticeMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
97535Training for self-care or home management, each 15 minutes29312$0
View full utilization report →

Insurance plans in this area (ZIP 01057)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3870570070View full group profile
NameSpecialtyState
-MA
Occupational Therapist In Private PracticeMA
Occupational Therapist In Private PracticeMA
-MA
Occupational Therapist In Private PracticeMA
-MA
Occupational Therapist In Private PracticeMA
Occupational Therapist In Private PracticeMA
Occupational Therapist In Private PracticeMA
-MA

Reviews

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Frequently asked questions

Can I cross-check DIANE MASTROIANNI (OT) using NPI 1801322391?
NPI 1801322391 belongs to DIANE MASTROIANNI (OT); compare other details if you need extra assurance.
Is DIANE MASTROIANNI (OT) still an active registrant?
DIANE MASTROIANNI (OT) carries an active NPI according to the public dataset.
How would a patient describe DIANE MASTROIANNI (OT)'s focus?
For DIANE MASTROIANNI (OT), the primary taxonomy reads as Occupational Therapist. Clinical services aligned with this taxonomy classification.
Is DIANE MASTROIANNI (OT) associated with Monson?
Public fields place DIANE MASTROIANNI (OT) around Monson, Massachusetts. Always confirm the exact site before visiting.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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