William M. Phillips, PA-C
- Part D claims, 2024
- 3,324
- MIPS score, 2024
- 81
- Hospital affiliations
- 1
- Industry payments
- $95
- Medical group
- 1
- Practice address
- 603 South Chestnut, Ellensburg, WA 98926
- Practice phone
- Call (509) 962-9841
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Phillips' professional email, personal email and mobile number
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William M. Phillips is a physician assistant in Ellensburg, Washington
William Phillips practices at Kittitas Valley Healthcare in Ellensburg, Washington, part of Kittitas Valley Healthcare.
William Phillips' NPI, 1720568033, was assigned on August 16, 2018.
- NPI
- 1720568033NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072858109
- NPI enumeration date
- August 16, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (509) 962-9841
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William M. Phillips practices at Kittitas Valley Healthcare in Ellensburg, Washington
William Phillips' primary practice is Kittitas Valley Healthcare, at 603 South Chestnut, Ellensburg, WA 98926 in Kittitas County. The practice phone is (509) 962-9841.
- Kittitas Valley Healthcare603 South Chestnut, Ellensburg, WA 98926 · Kittitas CountyPhone(509) 962-9841
Source: Dmand AI Affiliation Data
William M. Phillips is affiliated with 2 sites of care and 1 medical group
William Phillips' primary practice is Kittitas Valley Healthcare in Ellensburg, Washington, part of Kittitas Valley Healthcare. The medical group on file is Kittitas Valley Healthcare. Dmand AI also links William Phillips to 1 more rural health clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William M. Phillips' practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Phillips practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kittitas Valley Healthcare | Available with a free account |
| +1 more affiliated site | 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 Kittitas Valley Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
William M. Phillips is one of 3,005 physician assistants in Washington
Physician assistant is William Phillips' primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near William Phillips
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 M. Phillips' patients have a median age of 54
Across all payers, Dmand AI patient panel data puts William Phillips' median patient age at 54, with 47% women.
William Phillips' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women47%
- Men52%
Source: Dmand AI Patient Panel Data
William M. Phillips wrote 3,324 Medicare Part D claims in 2024
In 2024, William Phillips wrote 3,324 Medicare Part D claims for 295 patients. 88% of them were for generic drugs.
William Phillips' Part D claims by kind of drug, 2024
- Generic2,924 claims88%
- Brand-name359 claims11%
- Other41 claims1%
Drug classes CMS tracks in William Phillips' Part D claims, 2024
- Opioids4%123 of 3,324 claims
- Antibiotics1%20 of 3,324 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 M. Phillips scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for William Phillips for performance year 2024, reported as part of a group. William Phillips accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
William Phillips' MIPS scores, performance year 2024
- 81of 100Final score
- 66.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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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William M. Phillips received $95 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Phillips from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $95.
Companies that paid William Phillips the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William M. Phillips'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 Data |
| 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) |
| Industry payments | Open Payments (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 M. Phillips
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 M. Phillips' NPI number?
William M. Phillips' NPI number is 1720568033. It was assigned on August 16, 2018, and it is active in the NPI Registry.
What does William M. Phillips specialize in?
William M. Phillips is a physician assistant in Ellensburg, Washington. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William M. Phillips practice?
William Phillips practices at 603 South Chestnut, Ellensburg, WA 98926. William Phillips' primary practice is Kittitas Valley Healthcare in Ellensburg, Washington, part of Kittitas Valley Healthcare. Dmand AI also links William Phillips to 1 rural health clinic.
What is William M. Phillips' office phone number?
The practice phone on file for William Phillips is (509) 962-9841.
Which hospitals is William M. Phillips affiliated with?
William Phillips practices at Kittitas Valley Healthcare in Ellensburg, Washington.
What medical group is William M. Phillips part of?
William Phillips is linked to Kittitas Valley Healthcare.
Does William M. Phillips accept Medicare?
Yes. CMS lists William Phillips as accepting Medicare assignment.
What is William M. Phillips' MIPS score?
William Phillips' MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
Has William M. Phillips received payments from drug or device companies?
CMS Open Payments shows $95 in general payments to William Phillips from 1 company from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has William M. Phillips been practicing?
William Phillips graduated from medical school in 2018, 8 years ago.
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