William A. Clark, PT

  • Reading, PA
  • Physical therapist
NPI1205837747PAC ID9234264797
Medicare patients, 2024
60
MIPS score, 2024
86
Affiliated sites
2
Medical groups
2
State license
1
Practice address
2635 Shillington Rd, Sinking Spring, PA 19608-1757
Practice phone
Call (484) 220-1181
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Ati Physical Therapy

Physical therapy & rehab practice · Sinking Spring, Pennsylvania

See all 4 affiliations

Find William Clark'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.

View contacts for free

William A. Clark is a physical therapist in Reading, Pennsylvania

William Clark practices at Ati Physical Therapy in Sinking Spring, Pennsylvania.

William Clark's NPI, 1205837747, was assigned on August 9, 2005. William Clark holds Pennsylvania license PT001501E.

NPI and contact details
Medicare PAC ID
9234264797
NPI enumeration date
August 9, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(484) 220-1181
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

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

William A. Clark practices at Ati Physical Therapy in Sinking Spring, Pennsylvania

William Clark's primary practice is Ati Physical Therapy, at 2635 Shillington Rd, Sinking Spring, PA 19608-1757. The practice phone is (484) 220-1181.

  • Ati Physical Therapy
    2635 Shillington Rd, Sinking Spring, PA 19608-1757Phone(484) 220-1181

Source: Dmand AI Affiliation Data

William A. Clark is affiliated with 2 sites of care and 2 medical groups

William Clark's primary practice is Ati Physical Therapy in Sinking Spring, Pennsylvania. The medical group on file is ATI Physical Therapy. Dmand AI also links William Clark to 1 more therapy and rehab clinic and 1 medical group, each named with a free account. William Clark's employer is on file too: a physical therapy & rehab clinic.

See all 4 affiliations for William Clark

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at William A. Clark's practice

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

EHR by site
SiteEHR vendor and product
Ati Physical TherapyAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where William Clark practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

William A. Clark is one of 5,601 physical therapists in Pennsylvania

Physical therapist is William Clark's primary specialty in the NPI Registry, under taxonomy code 225100000X. William Clark is licensed in Pennsylvania.

Specialties and state licenses

  • Physical therapist, PennsylvaniaPrimaryLicense PT001501E · taxonomy 225100000X

Physical therapists near William Clark

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 A. Clark treated 60 Medicare patients in 2024, average age 75

CMS counts 60 Medicare patients who saw William Clark in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 0.85, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts William Clark's median patient age at 60, with 53% women.

Medicare patients, 202460
Average age75
Average risk score0.85

William Clark's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

William Clark's Medicare patients by sex, 2024

  • Women3558%
  • Men2542%

Chronic conditions among William Clark's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Anxiety30%
  5. Ischemic heart disease28%
  6. Chronic kidney disease23%
  7. Mood disorders20%
  8. Osteoporosis20%

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

William Clark's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women53%
  • Men45%

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

William A. Clark scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for William Clark for performance year 2024, reported as part of a group. William Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

William Clark's MIPS scores, performance year 2024

  • 86of 100Final score
  • 89.1of 100Quality
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

Sources for William A. Clark'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 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)Clinician Public Reporting: Overall MIPS Performance (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 William A. Clark

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 A. Clark's NPI number?

William A. Clark's NPI number is 1205837747. It was assigned on August 9, 2005, and it is active in the NPI Registry.

What does William A. Clark specialize in?

William A. Clark is a physical therapist in Reading, Pennsylvania. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).

Where does William A. Clark practice?

William Clark practices at 2635 Shillington Rd, Sinking Spring, PA 19608-1757. William Clark's primary practice is Ati Physical Therapy in Sinking Spring, Pennsylvania. Dmand AI also links William Clark to 1 therapy and rehab clinic and 1 medical group.

What is William A. Clark's office phone number?

The practice phone on file for William Clark is (484) 220-1181.

What is William A. Clark's medical license number?

William Clark holds Pennsylvania license PT001501E.

What medical group is William A. Clark part of?

William Clark is linked to ATI Physical Therapy. Dmand AI links William Clark to 1 more medical group.

Does William A. Clark accept Medicare?

Yes. CMS lists William Clark as accepting Medicare assignment.

What is William A. Clark's MIPS score?

William Clark's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does William A. Clark see?

CMS counts 60 Medicare patients who saw William Clark in 2024, with an average age of 75.

How long has William A. Clark been practicing?

William Clark graduated from medical school in 1986, 40 years ago.

Selling to physical therapist practices?

See physical therapists in Pennsylvania by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)