Doctor profile · Federal record

Dr. John O'Sullivan, P.T.

Physical Therapist (CMS: Physical Therapist in Private Practice) · Florence, MA

  • NPI 1346204468
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
70 Main St
Florence, MA 010621466
(413) 586-8400
fax (866) 644-0872
Additional location
238 Northampton St
Easthampton, MA 010271046
(413) 529-9300
fax (866) 644-0870
Additional location
31 Hall Dr
Amherst, MA 010022751
(413) 256-8561
fax (866) 644-0869
Show 1 more location
Additional location
329 Conway St
Greenfield, MA 013011521
(413) 774-6301
fax (866) 644-0871

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 17, 2024
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
Massachusetts #8731
Medicaid
MA #0332071

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346204468. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
852
Distinct HCPCS
3
Medicare allowed
$33,525
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 663 115 $27
97161 Evaluation for physical therapy, typically 20 minutes 143 133 $103
97140 Therapy procedure using manual technique, each 15 minutes 46 13 $22

In context: peer comparison

Among 1 peers in Florence Physical Therapist, average services per provider: 284. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John O'Sullivan's medical specialty?
Dr. John O'Sullivan practices Physical Therapist in Florence, MA.
Where does Dr. John O'Sullivan practice?
Dr. John O'Sullivan practices at 70 Main St, Florence, MA 010621466. Office phone: 4135868400.
What is Dr. John O'Sullivan's NPI?
Dr. John O'Sullivan's National Provider Identifier (NPI) is 1346204468, issued by NPPES.
Does Dr. John O'Sullivan accept Medicare assignment?
Yes. Dr. John O'Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John O'Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Evaluation for physical therapy, typically 20 minutes (HCPCS 97161); Therapy procedure using manual technique (HCPCS 97140). Source: CMS Medicare Physician & Other Practitioners file.