Stephen Williamson, DPT
- Medicare patients, 2024
- 44
- Affiliated sites
- 1
- State licenses
- 2
- Year NPI issued
- 2013
- Practice address
- 11100 Barnsley Way Ste E&F, Marriottsville, MD 21104
- Practice phone
- Call (410) 988-4968
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Phoenix Physical Therapy - Marriottsville
Therapy Group Practice · Marriottsville, Maryland
Find Stephen Williamson'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.
Stephen Williamson is a physical therapist in Marriottsville, Maryland
Stephen Williamson practices at Phoenix Physical Therapy - Marriottsville in Marriottsville, Maryland.
Stephen Williamson's NPI, 1053744904, was assigned on August 14, 2013. Stephen Williamson holds Florida license PT41143.
- NPI
- 1053744904NPI Registry (opens in a new tab)
- NPI enumeration date
- August 14, 2013
- NPI status
- Active
- Practice phone
- (410) 988-4968
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Stephen Williamson practices at Phoenix Physical Therapy - Marriottsville in Marriottsville, Maryland
Stephen Williamson's primary practice is Phoenix Physical Therapy - Marriottsville, at 11100 Barnsley Way Ste E&F, Marriottsville, MD 21104. The practice phone is (410) 988-4968.
- Phoenix Physical Therapy - Marriottsville11100 Barnsley Way Ste E&F, Marriottsville, MD 21104Phone(410) 988-4968
Source: Dmand AI Affiliation Data
Stephen Williamson is affiliated with 1 site of care
Stephen Williamson's primary practice is Phoenix Physical Therapy - Marriottsville in Marriottsville, Maryland.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephen Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Williamson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phoenix Physical Therapy - Marriottsville | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephen Williamson is one of 3,242 physical therapists in Maryland
Physical therapist is Stephen Williamson's primary specialty in the NPI Registry, under taxonomy code 225100000X. Dmand AI has Stephen Williamson's licenses on file in 2 states: Florida and Maryland.
Specialties and state licenses
- Physical therapist, FloridaPrimary
- Maryland license
Physical therapists near Stephen Williamson
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
Stephen Williamson treated 44 Medicare patients in 2024, average age 77
CMS counts 44 Medicare patients who saw Stephen Williamson in 2024. The largest group is 75 to 84, with 24 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephen Williamson's median patient age at 72, with 59% women.
Stephen Williamson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Stephen Williamson's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders34%
- Diabetes32%
- Osteoporosis27%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Stephen Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sources for Stephen Williamson'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 DataMedicare Physician & Other Practitioners - by Provider (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 Stephen Williamson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen Williamson's NPI number?
Stephen Williamson's NPI number is 1053744904. It was assigned on August 14, 2013, and it is active in the NPI Registry.
What does Stephen Williamson specialize in?
Stephen Williamson is a physical therapist in Marriottsville, Maryland. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).
Where does Stephen Williamson practice?
Stephen Williamson practices at 11100 Barnsley Way Ste E&F, Marriottsville, MD 21104. Stephen Williamson's primary practice is Phoenix Physical Therapy - Marriottsville in Marriottsville, Maryland.
What is Stephen Williamson's office phone number?
The practice phone on file for Stephen Williamson is (410) 988-4968.
What is Stephen Williamson's medical license number?
Stephen Williamson holds Florida license PT41143, one of the licenses on file in 2 states.
Which states has Stephen Williamson been licensed in?
Dmand AI has state licenses on file for Stephen Williamson in Florida and Maryland.
How many Medicare patients does Stephen Williamson see?
CMS counts 44 Medicare patients who saw Stephen Williamson in 2024, with an average age of 77.
How long has Stephen Williamson been practicing?
Stephen Williamson graduated from medical school in 2013, 13 years ago.
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