Cynthia Y. Williams, NP
- Part D claims, 2024
- 115
- Industry payments
- $27
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 200 Hygeia Dr, Newark, DE 19713
- Practice phone
- Call (302) 320-1300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CCHS Infectious Disease
Newark, Delaware
Find Cynthia 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.
Cynthia Y. Williams is a nurse practitioner in Newark, Delaware
Cynthia Williams practices at CCHS Infectious Disease in Newark, Delaware.
Cynthia Williams' NPI, 1023200318, was assigned on August 10, 2007. Cynthia Williams holds Delaware license APN-0001403.
- NPI
- 1023200318NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486836913
- NPI enumeration date
- August 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (302) 320-1300
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Cynthia Y. Williams practices at CCHS Infectious Disease in Newark, Delaware
Cynthia Williams' primary practice is CCHS Infectious Disease, at 200 Hygeia Dr, Newark, DE 19713 in New Castle County. The practice phone is (302) 320-1300.
- CCHS Infectious Disease200 Hygeia Dr, Newark, DE 19713 · New Castle CountyPhone(302) 320-1300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Cynthia Y. Williams is affiliated with 2 sites of care and 1 medical group
Cynthia Williams' primary practice is CCHS Infectious Disease in Newark, Delaware. The medical group on file is ChristianaCare. Dmand AI also links Cynthia Williams to 1 more group practice or clinic, 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 Cynthia Y. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cynthia Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CCHS Infectious Disease | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Cynthia Y. Williams is one of 389 nurse practitioners in Delaware
Nurse practitioner is Cynthia Williams' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Cynthia Williams is licensed in Delaware.
Specialties and state licenses
- Nurse practitioner, DelawarePrimary
Nurse practitioners near Cynthia Williams
Counts of nurse practitioners 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
Cynthia Y. Williams' patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Cynthia Williams' median patient age at 62, with 44% women.
Cynthia Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Cynthia Y. Williams wrote 115 Medicare Part D claims in 2024
In 2024, Cynthia Williams wrote 115 Medicare Part D claims for 11 patients. 38% of them were for generic drugs.
Cynthia Williams' Part D claims by kind of drug, 2024
- Generic44 claims38%
- Brand-name71 claims62%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Cynthia Y. Williams offers telehealth to Medicare patients
Cynthia Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Cynthia Williams as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Cynthia Y. Williams received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Cynthia Williams from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $27.
Companies that paid Cynthia 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 Cynthia Y. 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 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) |
| 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 Cynthia Y. 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 Cynthia Y. Williams' NPI number?
Cynthia Y. Williams' NPI number is 1023200318. It was assigned on August 10, 2007, and it is active in the NPI Registry.
What does Cynthia Y. Williams specialize in?
Cynthia Y. Williams is a nurse practitioner in Newark, Delaware. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Cynthia Y. Williams practice?
Cynthia Williams practices at 200 Hygeia Dr, Newark, DE 19713. Cynthia Williams' primary practice is CCHS Infectious Disease in Newark, Delaware. Dmand AI also links Cynthia Williams to 1 group practice or clinic.
What is Cynthia Y. Williams' office phone number?
The practice phone on file for Cynthia Williams is (302) 320-1300.
What is Cynthia Y. Williams' medical license number?
Cynthia Williams holds Delaware license APN-0001403.
What medical group is Cynthia Y. Williams part of?
Cynthia Williams is linked to ChristianaCare.
Does Cynthia Y. Williams accept Medicare?
Yes. CMS lists Cynthia Williams as accepting Medicare assignment.
Does Cynthia Y. Williams offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Cynthia Williams as offering telehealth services.
Has Cynthia Y. Williams received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Cynthia Williams from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Cynthia Y. Williams been practicing?
Cynthia Williams graduated from medical school in 2007, 19 years ago.
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