William Brown
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 99 4th St Ste 102, Chelsea, MA 02150
- Practice phone
- Call (617) 889-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Performance Physical Therapy - Chelsea
Therapy Group Practice · Chelsea, Massachusetts
Find William Brown's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Brown is a physical therapist in Chelsea, Massachusetts
William Brown practices at Performance Physical Therapy - Chelsea in Chelsea, Massachusetts.
William Brown's NPI, 1841177714, was assigned on August 20, 2025. William Brown holds Massachusetts license 88690.
- NPI
- 1841177714NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739681370
- NPI enumeration date
- August 20, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 889-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Brown practices at Performance Physical Therapy - Chelsea in Chelsea, Massachusetts
William Brown's primary practice is Performance Physical Therapy - Chelsea, at 99 4th St Ste 102, Chelsea, MA 02150. The practice phone is (617) 889-2500.
- Performance Physical Therapy - Chelsea99 4th St Ste 102, Chelsea, MA 02150Phone(617) 889-2500
Source: Dmand AI Affiliation Data
William Brown is affiliated with 1 site of care and 1 medical group
William Brown's primary practice is Performance Physical Therapy - Chelsea in Chelsea, Massachusetts. The medical group on file is Performance Physical Therapy. William Brown's employer is on file too: a physical therapy & rehab clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Brown's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Brown practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Performance Physical Therapy - Chelsea | Available with a free account |
Source: Dmand AI Technology Install Data
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William Brown is one of 2,892 physical therapists in Massachusetts
Physical therapist is William Brown's primary specialty in the NPI Registry, under taxonomy code 225100000X. William Brown is licensed in Massachusetts.
Specialties and state licenses
- Physical therapist, MassachusettsPrimary
Physical therapists near William Brown
Counts of physical therapists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Brown's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts William Brown's median patient age at 36, with 57% women.
William Brown's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
How William Brown takes part in Medicare
William Brown 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 William Brown's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Brown
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Brown's NPI number?
William Brown's NPI number is 1841177714. It was assigned on August 20, 2025, and it is active in the NPI Registry.
What does William Brown specialize in?
William Brown is a physical therapist in Chelsea, Massachusetts. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).
Where does William Brown practice?
William Brown practices at 99 4th St Ste 102, Chelsea, MA 02150. William Brown's primary practice is Performance Physical Therapy - Chelsea in Chelsea, Massachusetts.
What is William Brown's office phone number?
The practice phone on file for William Brown is (617) 889-2500.
What is William Brown's medical license number?
William Brown holds Massachusetts license 88690.
What medical group is William Brown part of?
William Brown is linked to Performance Physical Therapy.
Does William Brown accept Medicare?
Yes. CMS lists William Brown as accepting Medicare assignment.
How long has William Brown been practicing?
William Brown graduated from medical school in 2022, 4 years ago.
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