William Christopher Sullivan, PA-C
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 37
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Medical groups
- 4
- Practice address
- 1115 S Sunset Ave, West Covina, CA 91790
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Queen of the Valley Hospital - Unit
Acute Care Hospital-Unit · West Covina, California
Find William Sullivan'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 Christopher Sullivan is a physician assistant in West Covina, California
William Sullivan practices at Queen of the Valley Hospital - Unit in West Covina, California.
William Sullivan's NPI, 1053662924, was assigned on October 1, 2012. William Sullivan holds California license PA22590.
- NPI
- 1053662924NPI Registry (opens in a new tab)
- NPI enumeration date
- October 1, 2012
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William Christopher Sullivan practices at Queen of the Valley Hospital - Unit in West Covina, California
William Sullivan's primary practice is Queen of the Valley Hospital - Unit, at 1115 S Sunset Ave, West Covina, CA 91790.
- Queen of the Valley Hospital - Unit1115 S Sunset Ave, West Covina, CA 91790
Source: Dmand AI Affiliation Data
William Christopher Sullivan is affiliated with 2 sites of care and 4 medical groups
William Sullivan's primary practice is Queen of the Valley Hospital - Unit in West Covina, California. William Sullivan is also affiliated with Emanate Health Inter-Community Hospital. The medical group on file is Vituity. Dmand AI also links William Sullivan to 3 more medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Christopher Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Sullivan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Queen of the Valley Hospital - Unit | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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 Christopher Sullivan is one of 11,482 physician assistants in California
Physician assistant is William Sullivan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Sullivan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). William Sullivan is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists anxiety, joint pain and non-alzheimer's dementia (chronic) among the conditions William Sullivan treats.
Physician assistants near William Sullivan
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 Christopher Sullivan treated 16 Medicare patients in 2024, average age 72
CMS counts 16 Medicare patients who saw William Sullivan in 2024. 75% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 2.00, 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 Sullivan's median patient age at 40, with 54% women.
Chronic conditions among William Sullivan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
Share of Medicare patients with each condition. A patient can have several.
William Sullivan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Christopher Sullivan wrote 37 Medicare Part D claims in 2024
In 2024, William Sullivan wrote 37 Medicare Part D claims for 15 patients. 89% of them were for generic drugs.
William Sullivan's Part D claims by kind of drug, 2024
- Generic33 claims89%
- Brand-name and other4 claims11%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William Christopher Sullivan scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for William Sullivan for performance year 2024, reported as part of a group.
William Sullivan's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
William Christopher Sullivan is board certified in certified physician assistant
William Sullivan is a member of AAPA, CAPA and SEMPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for William Christopher Sullivan'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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Christopher Sullivan
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 Christopher Sullivan's NPI number?
William Christopher Sullivan's NPI number is 1053662924. It was assigned on October 1, 2012, and it is active in the NPI Registry.
What does William Christopher Sullivan specialize in?
William Christopher Sullivan is a physician assistant in West Covina, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William Christopher Sullivan practice?
William Sullivan practices at 1115 S Sunset Ave, West Covina, CA 91790. William Sullivan's primary practice is Queen of the Valley Hospital - Unit in West Covina, California. Dmand AI also links William Sullivan to 3 medical groups.
What is William Christopher Sullivan's medical license number?
William Sullivan holds California license PA22590.
Which hospitals is William Christopher Sullivan affiliated with?
William Sullivan is affiliated with Emanate Health Inter-Community Hospital. Dmand AI links William Sullivan to 1 more hospital.
What medical group is William Christopher Sullivan part of?
William Sullivan is linked to Vituity. Dmand AI links William Sullivan to 3 more medical groups.
What is William Christopher Sullivan's MIPS score?
William Sullivan's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does William Christopher Sullivan see?
CMS counts 16 Medicare patients who saw William Sullivan in 2024, with an average age of 72.
Is William Christopher Sullivan board certified?
Yes. William Sullivan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
How long has William Christopher Sullivan been practicing?
William Sullivan graduated from medical school in 2012, 14 years ago.
Selling to physician assistant practices?
See physician assistants in California 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