Jan S. Williams, ACNP, APRN
- Medicare patients, 2024
- 44
- Part D claims, 2024
- 15
- Hospital affiliations
- 1
- Industry payments
- $117
- Medical group
- 1
- Practice address
- 8700 Sudley Rd, Manassas, VA 20110
- Practice phone
- Call (703) 369-8736
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jan 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.
Jan S. Williams is a nurse practitioner in Manassas, Virginia
Jan Williams practices at UVA Health Prince William Medical Center in Manassas, Virginia, part of University of Virginia.
Jan Williams' NPI, 1548320492, was assigned on December 11, 2006. Jan Williams graduated from Georgetown University School of Medicine in 2005. Jan Williams holds North Carolina license 0024166796.
- NPI
- 1548320492NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789975806
- NPI enumeration date
- December 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 369-8736
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jan S. Williams practices at UVA Health Prince William Medical Center in Manassas, Virginia
Jan Williams' primary practice is UVA Health Prince William Medical Center, at 8700 Sudley Rd, Manassas, VA 20110 in Manassas City. The practice phone is (703) 369-8736.
- UVA Health Prince William Medical Center8700 Sudley Rd, Manassas, VA 20110 · Manassas CityPhone(703) 369-8736
Source: Dmand AI Affiliation Data
Jan S. Williams is affiliated with 2 sites of care and 1 medical group
Jan Williams' primary practice is UVA Health Prince William Medical Center in Manassas, Virginia, part of University of Virginia. The medical group on file is UVA Community Health Medical Group. Dmand AI also links Jan Williams to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jan S. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jan Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UVA Health Prince William Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Jan S. Williams is one of 1,255 nurse practitioners in Virginia
Nurse practitioner is Jan Williams' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Jan Williams is licensed in North Carolina.
Specialties and state licenses
- Nurse practitioner, North CarolinaPrimary
Nurse practitioners near Jan 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
Jan S. Williams treated 44 Medicare patients in 2024, average age 81
CMS counts 44 Medicare patients who saw Jan Williams in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have atrial fibrillation, and 75% have high blood pressure. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jan Williams' median patient age at 65, with 47% women.
Jan Williams' Medicare patients by age, 2024
Jan Williams' Medicare patients by sex, 2024
- Women2659%
- Men1841%
Chronic conditions among Jan Williams' Medicare patients, 2024
- Atrial fibrillation75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure68%
- Chronic kidney disease59%
- Arthritis50%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Jan Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jan S. Williams wrote 15 Medicare Part D claims in 2024
In 2024, Jan Williams wrote 15 Medicare Part D claims. 93% of them were for generic drugs.
Jan Williams' Part D claims by kind of drug, 2024
- Generic14 claims93%
- Brand-name and other1 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Jan S. Williams takes part in Medicare
Jan Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Jan S. Williams received $117 in industry payments in 2025
CMS Open Payments shows 1 general payment to Jan Williams from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $117.
Companies that paid Jan 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
Jan S. Williams graduated from Georgetown University School of Medicine
Jan Williams graduated from Georgetown University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jan S. 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 | 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) |
| Industry payments | Open Payments (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 Jan S. 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 Jan S. Williams' NPI number?
Jan S. Williams' NPI number is 1548320492. It was assigned on December 11, 2006, and it is active in the NPI Registry.
What does Jan S. Williams specialize in?
Jan S. Williams is a nurse practitioner in Manassas, Virginia. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Jan S. Williams practice?
Jan Williams practices at 8700 Sudley Rd, Manassas, VA 20110. Jan Williams' primary practice is UVA Health Prince William Medical Center in Manassas, Virginia, part of University of Virginia. Dmand AI also links Jan Williams to 1 group practice or clinic.
What is Jan S. Williams' office phone number?
The practice phone on file for Jan Williams is (703) 369-8736.
What is Jan S. Williams' medical license number?
Jan Williams holds North Carolina license 0024166796.
Which hospitals is Jan S. Williams affiliated with?
Jan Williams practices at UVA Health Prince William Medical Center in Manassas, Virginia.
What medical group is Jan S. Williams part of?
Jan Williams is linked to UVA Community Health Medical Group.
Does Jan S. Williams accept Medicare?
Yes. CMS lists Jan Williams as accepting Medicare assignment.
How many Medicare patients does Jan S. Williams see?
CMS counts 44 Medicare patients who saw Jan Williams in 2024, with an average age of 81.
Where did Jan S. Williams go to medical school?
Jan Williams graduated from Georgetown University School of Medicine in 2005.
Has Jan S. Williams received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Jan Williams from 1 company from 2025 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Jan S. Williams been practicing?
Jan Williams graduated from medical school in 2005, 21 years ago.
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