MR. JOHN J O'SULLIVAN (P.T.) – Physical Therapist, NPI 1346204468

MR. JOHN J O'SULLIVAN (P.T.) is a healthcare provider. based in Greenfield, Massachusetts. specializing in PHYSICAL THERAPIST IN PRIVATE PRACTICE. They hold the professional credentials P.T.. They hold a License No. 8731 (MA). The NPI Number for MR. JOHN J O'SULLIVAN (P.T.) is 1346204468

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
MR. JOHN J O'SULLIVAN (P.T.)
NPI
1346204468
Phone
(413) 774-6301
Address
329 Conway St
Enumeration Date
14 April 2006
Last Update Date
17 April 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4137746301
Graduation Year
1986 (40 years ago)
PAC ID
6507016649
Group Practice PAC ID
2365348851
Professional Enrollment ID
I20121025000341
Address ID
MA013011521GR329XXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

2,873 PHYSICAL THERAPIST IN PRIVATE PRACTICE in MA

Provider Addresses for MR. JOHN J O'SULLIVAN (P.T.)

  • 329 Conway St

    Greenfield, MA 013011521

    Phone: (413) 774-6301

    Fax: (866) 644-0871

    Type: Location

  • 31 Hall Dr

    Amherst, MA 010022751

    Phone: (413) 256-8561

    Fax: (866) 644-0869

    Type: Location

  • 238 Northampton St

    Easthampton, MA 010271046

    Phone: (413) 529-9300

    Fax: (866) 644-0870

    Type: Location

  • 70 MAIN ST

    FLORENCE, MA 010621466

    Phone: (413) 586-8400

    Fax: (866) 644-0872

    Type: Mailing

  • 70, Main Street, Florence, Northampton, Hampshire, Massachusetts, 01061, United States

    FLORENCE, MA 010621466

    Phone: (413) 586-8400

    Fax: (866) 644-0872

    Type: Location

  • Springfield, Avenue de la Gare, Gare, Luxembourg, Canton Luxembourg, 1610, Luxembourg

    SPRINGFIELD, MA 011028000

    Phone: (866) 431-4077

    Fax: (413) 774-7448

    Type: Mailing

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: 2012-10-25

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
I20121025000341IPhysical 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
97110Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes663115$0
97161Evaluation for physical therapy, typically 20 minutes143133$0
97140Therapy procedure using manual technique, each 15 minutes4613$0
View full utilization report →

Insurance plans in this area (ZIP 01301)

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Provider's Procedures

MR. JOHN J O'SULLIVAN (P.T.) performs procedures in PHYSICAL THERAPIST IN PRIVATE PRACTICE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PHYSICAL THERAPYMA97110Therapeutic exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes1167141

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: 2365348851View full group profile

Reviews

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Frequently asked questions

Is MR. JOHN J O'SULLIVAN (P.T.) listed with a National Provider Identifier?
Yes — MR. JOHN J O'SULLIVAN (P.T.) has NPI 1346204468 on file in the registry.
Is MR. JOHN J O'SULLIVAN (P.T.) still an active registrant?
MR. JOHN J O'SULLIVAN (P.T.) carries an active NPI according to the public dataset.
What clinical focus is listed for MR. JOHN J O'SULLIVAN (P.T.)?
At a glance, MR. JOHN J O'SULLIVAN (P.T.) is tied to Physical Therapist. Clinical services aligned with this taxonomy classification.
What locale is associated with MR. JOHN J O'SULLIVAN (P.T.)?
Directory geography for MR. JOHN J O'SULLIVAN (P.T.) centers on Greenfield, Massachusetts.
Does MR. JOHN J O'SULLIVAN (P.T.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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