Jennifer C. Williams
- Medicare patients, 2024
- 801
- Part D claims, 2024
- 977
- Hospital affiliations
- 1
- Industry payments
- $988
- Medical groups
- 2
- Practice address
- 3911 Castlevale Rd, Yakima, WA 98902
- Practice phone
- Call (509) 966-7899
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Dermatology Associates
Yakima, Washington
Find Jennifer Williams' 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.
Jennifer C. Williams is a physician assistant in Yakima, Washington
Jennifer Williams practices at Valley Dermatology Associates in Yakima, Washington.
Jennifer Williams' NPI, 1003007279, was assigned on August 5, 2007.
- NPI
- 1003007279NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658452362
- NPI enumeration date
- August 5, 2007
- NPI status
- Active
- Practice phone
- (509) 966-7899
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Jennifer C. Williams practices at Valley Dermatology Associates in Yakima, Washington
Jennifer Williams' primary practice is Valley Dermatology Associates, at 3911 Castlevale Rd, Yakima, WA 98902 in Yakima County. The practice phone is (509) 966-7899.
- Valley Dermatology Associates3911 Castlevale Rd, Yakima, WA 98902 · Yakima CountyPhone(509) 966-7899
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jennifer C. Williams is affiliated with 4 sites of care and 2 medical groups
Jennifer Williams' primary practice is Valley Dermatology Associates in Yakima, Washington. Jennifer Williams is also affiliated with MultiCare Yakima Memorial Hospital. The medical group on file is Valley Dermatology Associates. Dmand AI also links Jennifer Williams to 1 more community health center, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Jennifer C. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jennifer Williams practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Dermatology Associates | Available with a free account |
| +3 more sites and 1 medical group | 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.
Jennifer C. Williams is one of 3,005 physician assistants in Washington
Physician assistant is Jennifer Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
- Medical physician assistant
Physician assistants near Jennifer Williams
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
Jennifer C. Williams treated 801 Medicare patients in 2024, average age 77
CMS counts 801 Medicare patients who saw Jennifer Williams in 2024. The largest group is 75 to 84, with 338 patients. 67% of them have high blood pressure, and 67% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jennifer Williams' median patient age at 72, with 58% women.
Jennifer Williams' Medicare patients by age, 2024
Jennifer Williams' Medicare patients by sex, 2024
- Women43354%
- Men36846%
Chronic conditions among Jennifer Williams' Medicare patients, 2024
- High blood pressure67%
- High cholesterol67%
- Arthritis37%
- Diabetes25%
- Chronic kidney disease21%
- Ischemic heart disease17%
- Mood disorders17%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Jennifer Williams' 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
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jennifer C. Williams wrote 977 Medicare Part D claims in 2024
In 2024, Jennifer Williams wrote 977 Medicare Part D claims for 412 patients. 89% of them were for generic drugs.
Jennifer Williams' Part D claims by kind of drug, 2024
- Generic874 claims89%
- Brand-name and other103 claims11%
Drug classes CMS tracks in Jennifer Williams' Part D claims, 2024
- Antibiotics6%62 of 977 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
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.
Jennifer C. Williams received $988 in industry payments in 2025
CMS Open Payments shows 40 general payments to Jennifer Williams from 7 drug and device companies in 2025. Food and beverage make up the largest share, 95% of the total. Janssen Pharmaceuticals, Inc paid the most, $336.
General payments to Jennifer Williams by kind, 2025 to 2025
- Food and beverage$94095%
- Education$485%
Companies that paid Jennifer Williams 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 Jennifer C. Williams'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 Jennifer C. Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jennifer C. Williams' NPI number?
Jennifer C. Williams' NPI number is 1003007279. It was assigned on August 5, 2007, and it is active in the NPI Registry.
What does Jennifer C. Williams specialize in?
Jennifer C. Williams is a physician assistant in Yakima, Washington. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jennifer C. Williams practice?
Jennifer Williams practices at 3911 Castlevale Rd, Yakima, WA 98902. Jennifer Williams' primary practice is Valley Dermatology Associates in Yakima, Washington. Dmand AI also links Jennifer Williams to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Jennifer C. Williams' office phone number?
The practice phone on file for Jennifer Williams is (509) 966-7899.
Which hospitals is Jennifer C. Williams affiliated with?
Jennifer Williams is affiliated with MultiCare Yakima Memorial Hospital.
What medical group is Jennifer C. Williams part of?
Jennifer Williams is linked to Valley Dermatology Associates. Dmand AI links Jennifer Williams to 1 more medical group.
How many Medicare patients does Jennifer C. Williams see?
CMS counts 801 Medicare patients who saw Jennifer Williams in 2024, with an average age of 77.
Has Jennifer C. Williams received payments from drug or device companies?
CMS Open Payments shows $988 in general payments to Jennifer Williams from 7 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Jennifer C. Williams been practicing?
Jennifer Williams graduated from medical school in 2007, 19 years ago.
Selling to physician assistant practices?
See physician assistants in Washington 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