Kristen Williams, PA-C
NPI 1659835072 · Medical Physician Assistant · Winchester, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Williams, PA-C is a Medical Physician Assistant provider in Winchester, VA (NPI 1659835072).
Provider details
- NPI number
- 1659835072
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2355 (WV)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
131 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 117 | $75 |
| Injection of Anesthetic Or Steroid Into Joint Between Lower Spine and Hip Bone Using Imaging Guidance27096 | 14 | $70 |
Typical Medicare-allowed amounts for these services range $70–$75 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 813 | 88 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 267 | 30 |
| Gabapentin | 243 | 40 |
| Tramadol Hcl | 174 | 21 |
| Hydromorphone Hcl | 86 | 11 |
| Methylprednisolone | 63 | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$415 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 19638 Leitersburg Pike Ste 204Hagerstown, MD 21742-1518Phone: (240) 850-3210Fax: (304) 263-6536
- 1000 Tavern Rd Ste 300Martinsburg, WV 25401-2853Phone: (304) 263-6165Fax: (304) 263-6536
Registry dates
- Enumerated
- 2019-01-30
- Last updated
- 2022-02-04
- Certified
- 2020-07-29
Frequently asked questions
- What is Kristen Williams's NPI number?
- Kristen Williams's National Provider Identifier (NPI) is 1659835072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Williams's specialty?
- Kristen Williams is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kristen Williams located?
- Kristen Williams's practice location on file with NPPES is 1839 W Plaza Dr, Winchester, VA 22601-6365.
- What is Kristen Williams's phone number?
- The practice phone number listed in the NPPES registry for Kristen Williams is (540) 773-2689.
- Does Kristen Williams accept Medicare?
- Kristen Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Williams's NPI active?
- Yes — Kristen Williams's NPI (1659835072) is active in the NPPES registry as of the last update on 2022-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.