Carolyn Williams, FNP-BC
NPI 1417468844 · Family Nurse Practitioner · Winchester, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Williams, FNP-BC is a Family Nurse Practitioner provider in Winchester, VA (NPI 1417468844).
Provider details
- NPI number
- 1417468844
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 0024175409 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
24 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 24 | $75 |
Typical Medicare-allowed amounts for these services range $75–$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 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 306 | 63 |
| Olanzapine | 228 | 45 |
| Quetiapine Fumarate | 180 | 35 |
| Bupropion Hclbrand: Bupropion Xl | 135 | 32 |
| Aripiprazole | 131 | 26 |
| Sertraline Hcl | 129 | 31 |
| Clonazepam |
Practice location
Mailing address
Additional practice locations (1)
- 1240 3rd St SwRoanoke, VA 24016-4612Phone: (540) 344-5156
Registry dates
- Enumerated
- 2017-10-12
- Last updated
- 2020-11-04
- Certified
- 2020-11-04
Frequently asked questions
- What is Carolyn Williams's NPI number?
- Carolyn Williams's National Provider Identifier (NPI) is 1417468844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Williams's specialty?
- Carolyn Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carolyn Williams located?
- Carolyn Williams's practice location on file with NPPES is 1440 Amherst St, Winchester, VA 22601-3010.
- What is Carolyn Williams's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Williams is (540) 536-5400.
- Does Carolyn Williams accept Medicare?
- Carolyn Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Williams's NPI active?
- Yes — Carolyn Williams's NPI (1417468844) is active in the NPPES registry as of the last update on 2020-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.