Hillary Williams, NP
NPI 1497283212 · Family Nurse Practitioner · Woodland, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hillary Williams, NP is a Family Nurse Practitioner provider in Woodland, CA (NPI 1497283212).
Provider details
- NPI number
- 1497283212
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95006666 (CA)
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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
428 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 | 142 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 138 | $124 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $119 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 23 | $156 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 15 | $103 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 109 | 50 |
| Lisinopril | 101 | 40 |
| Levothyroxine Sodium | 86 | 34 |
| Amlodipine Besylate | 84 | 37 |
| Omeprazole | 79 | 26 |
| Gabapentin | 74 | 29 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-24
- Last updated
- 2020-07-16
- Certified
- 2020-07-16
Frequently asked questions
- What is Hillary Williams's NPI number?
- Hillary Williams's National Provider Identifier (NPI) is 1497283212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Williams's specialty?
- Hillary Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hillary Williams located?
- Hillary Williams's practice location on file with NPPES is 2081 Bronze Star Dr, Woodland, CA 95776-5423.
- What is Hillary Williams's phone number?
- The practice phone number listed in the NPPES registry for Hillary Williams is (530) 668-2600.
- Does Hillary Williams accept Medicare?
- Hillary Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hillary Williams's NPI active?
- Yes — Hillary Williams's NPI (1497283212) is active in the NPPES registry as of the last update on 2020-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.