John Joseph Johnston, PT

  • South Weymouth, MA
  • Physical therapist
NPI1649490681PAC ID4880887587
Medicare patients, 2024
167
Hospital affiliations
1
State license
1
Year NPI issued
2007
Practice address
55 Fogg Road, South Weymouth, MA 02190
Practice phone
Call (781) 340-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

South Shore Hospital

Hospital · South Weymouth, Massachusetts

See all 2 affiliations

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John Joseph Johnston is a physical therapist in South Weymouth, Massachusetts

John Johnston practices at South Shore Hospital in South Weymouth, Massachusetts, part of South Shore Health System.

John Johnston's NPI, 1649490681, was assigned on May 1, 2007. John Johnston holds Massachusetts license 4900.

NPI and contact details
Medicare PAC ID
4880887587
NPI enumeration date
May 1, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(781) 340-8000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

John Joseph Johnston practices at South Shore Hospital in South Weymouth, Massachusetts

John Johnston's primary practice is South Shore Hospital, at 55 Fogg Road, South Weymouth, MA 02190 in Norfolk County. The practice phone is (781) 340-8000.

  • South Shore Hospital
    55 Fogg Road, South Weymouth, MA 02190 · Norfolk CountyPhone(781) 340-8000

Source: Dmand AI Affiliation Data

John Joseph Johnston is affiliated with 2 sites of care

John Johnston's primary practice is South Shore Hospital in South Weymouth, Massachusetts, part of South Shore Health System. Dmand AI also links John Johnston to 1 physician office, named with a free account.

See all 2 affiliations for John Johnston

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at John Joseph Johnston's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Johnston practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
South Shore HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across South Shore Health System and 6.2K+ hospitals, with verified contacts in the same login.

John Joseph Johnston is one of 2,892 physical therapists in Massachusetts

Physical therapist is John Johnston's primary specialty in the NPI Registry, under taxonomy code 225100000X. John Johnston is licensed in Massachusetts.

Specialties and state licenses

  • Physical therapist, MassachusettsPrimaryLicense 4900 · taxonomy 225100000X

Physical therapists near John Johnston

Counts of physical therapists with a Dmand AI profile, by place and practice. Each opens the list.

2,892physical therapists in Massachusetts
7physical therapists in South Weymouth

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

John Joseph Johnston treated 167 Medicare patients in 2024, average age 75

CMS counts 167 Medicare patients who saw John Johnston in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts John Johnston's median patient age at 70, with 58% women.

Medicare patients, 2024167
Average age75
Average risk score1.07
Also on Medicaid9%

John Johnston's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

John Johnston's Medicare patients by sex, 2024

  • Women10462%
  • Men6338%

Chronic conditions among John Johnston's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis71%
  4. Anxiety32%
  5. Mood disorders31%
  6. Depression26%
  7. Chronic kidney disease23%
  8. Ischemic heart disease23%

Share of Medicare patients with each condition. A patient can have several.

John Johnston's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women58%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How John Joseph Johnston takes part in Medicare

John Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for John Joseph Johnston's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about John Joseph Johnston

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is John Joseph Johnston's NPI number?

John Joseph Johnston's NPI number is 1649490681. It was assigned on May 1, 2007, and it is active in the NPI Registry.

What does John Joseph Johnston specialize in?

John Joseph Johnston is a physical therapist in South Weymouth, Massachusetts. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).

Where does John Joseph Johnston practice?

John Johnston practices at 55 Fogg Road, South Weymouth, MA 02190. John Johnston's primary practice is South Shore Hospital in South Weymouth, Massachusetts, part of South Shore Health System. Dmand AI also links John Johnston to 1 physician office.

What is John Joseph Johnston's office phone number?

The practice phone on file for John Johnston is (781) 340-8000.

What is John Joseph Johnston's medical license number?

John Johnston holds Massachusetts license 4900.

Which hospitals is John Joseph Johnston affiliated with?

John Johnston practices at South Shore Hospital in South Weymouth, Massachusetts.

Does John Joseph Johnston accept Medicare?

Yes. CMS lists John Johnston as accepting Medicare assignment.

How many Medicare patients does John Joseph Johnston see?

CMS counts 167 Medicare patients who saw John Johnston in 2024, with an average age of 75.

How long has John Joseph Johnston been practicing?

John Johnston graduated from medical school in 1978, 48 years ago.

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