William Lee Day, PT
- Medicare patients, 2024
- 93
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 46 Federal Rd, Danbury, CT 06810
- Practice phone
- Call (203) 731-2310
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Day Physical Therapy Management
Danbury, Connecticut
Find William Day'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 Lee Day is a physical therapist in Danbury, Connecticut
William Day practices at Day Physical Therapy Management in Danbury, Connecticut.
William Day's NPI, 1275629602, was assigned on October 5, 2006. William Day holds Connecticut license 004914.
- NPI
- 1275629602NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850301706
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 731-2310
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Lee Day practices at Day Physical Therapy Management in Danbury, Connecticut
William Day's primary practice is Day Physical Therapy Management, at 46 Federal Rd, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 731-2310.
- Day Physical Therapy Management46 Federal Rd, Danbury, CT 06810 · Western Ct CountyPhone(203) 731-2310
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Lee Day is affiliated with 2 sites of care and 1 medical group
William Day's primary practice is Day Physical Therapy Management in Danbury, Connecticut. The medical group on file is Park City Physical Therapy. Dmand AI also links William Day to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Lee Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Day practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Day Physical Therapy Management | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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William Lee Day is one of 1,540 physical therapists in Connecticut
Physical therapist is William Day's primary specialty in the NPI Registry, under taxonomy code 225100000X. Dmand AI has William Day's licenses on file in 2 states: Connecticut and New York.
Specialties and state licenses
- Physical therapist, ConnecticutPrimary
- New York license
Physical therapists near William Day
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 Lee Day treated 93 Medicare patients in 2024, average age 75
CMS counts 93 Medicare patients who saw William Day in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 71% have arthritis. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Day's median patient age at 56, with 51% women.
William Day's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Day's Medicare patients by sex, 2024
- Women5458%
- Men3942%
Chronic conditions among William Day's Medicare patients, 2024
- High cholesterol75%
- Arthritis71%
- High blood pressure71%
- Anxiety33%
- Mood disorders31%
- Depression29%
- Ischemic heart disease29%
- Osteoporosis29%
Share of Medicare patients with each condition. A patient can have several.
William Day's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How William Lee Day takes part in Medicare
William Day 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 Lee Day'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 Lee Day
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 Lee Day's NPI number?
William Lee Day's NPI number is 1275629602. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What does William Lee Day specialize in?
William Lee Day is a physical therapist in Danbury, Connecticut. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).
Where does William Lee Day practice?
William Day practices at 46 Federal Rd, Danbury, CT 06810. William Day's primary practice is Day Physical Therapy Management in Danbury, Connecticut. Dmand AI also links William Day to 1 group practice or clinic.
What is William Lee Day's office phone number?
The practice phone on file for William Day is (203) 731-2310.
What is William Lee Day's medical license number?
William Day holds Connecticut license 004914, one of the licenses on file in 2 states.
Which states has William Lee Day been licensed in?
Dmand AI has state licenses on file for William Day in Connecticut and New York.
What medical group is William Lee Day part of?
William Day is linked to Park City Physical Therapy.
Does William Lee Day accept Medicare?
Yes. CMS lists William Day as accepting Medicare assignment.
How many Medicare patients does William Lee Day see?
CMS counts 93 Medicare patients who saw William Day in 2024, with an average age of 75.
How long has William Lee Day been practicing?
William Day graduated from medical school in 1984, 42 years ago.
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