William John Joyce, PA-C
- Medicare patients, 2024
- 237
- Part D claims, 2024
- 133
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 4500 San Pablo Rd, Jacksonville, FL 32224
- Practice phone
- Call (904) 953-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Joyce'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 John Joyce is a physician assistant in Jacksonville, Florida
William Joyce practices at Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic.
William Joyce's NPI, 1669991949, was assigned on September 18, 2017. William Joyce holds Florida license PA9112315.
- NPI
- 1669991949NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143586669
- NPI enumeration date
- September 18, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 953-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William John Joyce practices at Mayo Clinic Hospital in Jacksonville, Florida
William Joyce's primary practice is Mayo Clinic Hospital, at 4500 San Pablo Rd, Jacksonville, FL 32224 in Duval County. The practice phone is (904) 953-2000.
- Mayo Clinic Hospital4500 San Pablo Rd, Jacksonville, FL 32224 · Duval CountyPhone(904) 953-2000
Source: Dmand AI Affiliation Data
William John Joyce is affiliated with 1 site of care and 1 medical group
William Joyce's primary practice is Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic. The medical group on file is Mayo Clinic Jacksonville.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William John Joyce's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Joyce practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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William John Joyce is one of 7,899 physician assistants in Florida
Physician assistant is William Joyce's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Joyce is licensed in Florida.
Specialties and state licenses
- Physician assistant, FloridaPrimary
Physician assistants near William Joyce
Counts of physician assistants 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 John Joyce treated 237 Medicare patients in 2024, average age 76
CMS counts 237 Medicare patients who saw William Joyce in 2024. The largest group is 75 to 84, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 2.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Joyce's median patient age at 64, with 47% women.
William Joyce's Medicare patients by age, 2024
William Joyce's Medicare patients by sex, 2024
- Women12151%
- Men11649%
Chronic conditions among William Joyce's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease57%
- Chronic kidney disease55%
- Anxiety49%
- Atrial fibrillation46%
- Heart failure45%
Share of Medicare patients with each condition. A patient can have several.
William Joyce's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William John Joyce wrote 133 Medicare Part D claims in 2024
In 2024, William Joyce wrote 133 Medicare Part D claims for 65 patients. 86% of them were for generic drugs.
William Joyce's Part D claims by kind of drug, 2024
- Generic115 claims86%
- Brand-name and other18 claims14%
Drug classes CMS tracks in William Joyce's Part D claims, 2024
- Opioids10%13 of 133 claims
- Antibiotics34%45 of 133 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William John Joyce scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for William Joyce for performance year 2024, reported as part of a group. William Joyce accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
William Joyce's MIPS scores, performance year 2024
- 84of 100Final score
- 74.8of 100Quality
- 100of 100Promoting Interoperability
- 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
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Sources for William John Joyce'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) |
| Part D prescribing | Medicare Part D Prescribers - 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)Clinician Public Reporting: Overall MIPS Performance (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 John Joyce
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 John Joyce's NPI number?
William John Joyce's NPI number is 1669991949. It was assigned on September 18, 2017, and it is active in the NPI Registry.
What does William John Joyce specialize in?
William John Joyce is a physician assistant in Jacksonville, Florida. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William John Joyce practice?
William Joyce practices at 4500 San Pablo Rd, Jacksonville, FL 32224. William Joyce's primary practice is Mayo Clinic Hospital in Jacksonville, Florida, part of Mayo Clinic.
What is William John Joyce's office phone number?
The practice phone on file for William Joyce is (904) 953-2000.
What is William John Joyce's medical license number?
William Joyce holds Florida license PA9112315.
Which hospitals is William John Joyce affiliated with?
William Joyce practices at Mayo Clinic Hospital in Jacksonville, Florida.
What medical group is William John Joyce part of?
William Joyce is linked to Mayo Clinic Jacksonville.
Does William John Joyce accept Medicare?
Yes. CMS lists William Joyce as accepting Medicare assignment.
What is William John Joyce's MIPS score?
William Joyce's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does William John Joyce see?
CMS counts 237 Medicare patients who saw William Joyce in 2024, with an average age of 76.
How long has William John Joyce been practicing?
William Joyce graduated from medical school in 2017, 9 years ago.
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