Cynthia Williams, FNP
NPI 1831726694 · Family Nurse Practitioner · Orangevale, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Williams, FNP is a Family Nurse Practitioner provider in Orangevale, CA (NPI 1831726694).
Provider details
- NPI number
- 1831726694
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95013659 (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
6 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
5,206 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) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 2,305 | $133 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 2,108 | $93 |
| Advance Care Planning, First 30 Minutes99497 | 702 | $65 |
| Nursing Facility Discharge Day Management, 30 Minutes Or Less99315 | 68 | $70 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 23 | $157 |
Typical Medicare-allowed amounts for these services range $65–$157 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 262 | 50 |
| Empagliflozinbrand: Jardiance | 79 | — |
| Pregabalin | 72 | 11 |
| Oxycodone Hcl | 60 | 16 |
| Clonazepam | 60 | 12 |
| Atorvastatin Calcium | 55 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-23
- Last updated
- 2020-03-23
- Certified
- 2020-03-23
Frequently asked questions
- What is Cynthia Williams's NPI number?
- Cynthia Williams's National Provider Identifier (NPI) is 1831726694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Williams's specialty?
- Cynthia Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Williams located?
- Cynthia Williams's practice location on file with NPPES is 9490 Madison Ave, Orangevale, CA 95662-4982.
- What is Cynthia Williams's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Williams is (916) 238-5469.
- Does Cynthia Williams accept Medicare?
- Cynthia Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Williams's NPI active?
- Yes — Cynthia Williams's NPI (1831726694) is active in the NPPES registry as of the last update on 2020-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.