Marylou Williams, NP
NPI 1548800360 · Family Nurse Practitioner · Henderson, NV
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marylou Williams, NP is a Family Nurse Practitioner provider in Henderson, NV (NPI 1548800360).
Provider details
- NPI number
- 1548800360
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 823744 (NV)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 111 | 45 |
| Prednisone | 103 | 39 |
| Amlodipine Besylate | 92 | 41 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 87 | 45 |
| Buspirone Hcl | 80 | 34 |
| Azithromycin | 79 | 31 |
| Apixabanbrand: Eliquis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-01-09
- Last updated
- 2026-02-28
- Certified
- 2026-02-28
Frequently asked questions
- What is Marylou Williams's NPI number?
- Marylou Williams's National Provider Identifier (NPI) is 1548800360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marylou Williams's specialty?
- Marylou Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marylou Williams located?
- Marylou Williams's practice location on file with NPPES is 1701 N Green Valley Pkwy Ste 7b, Henderson, NV 89074-5889.
- What is Marylou Williams's phone number?
- The practice phone number listed in the NPPES registry for Marylou Williams is (702) 508-9119.
- Does Marylou Williams accept Medicare?
- Marylou Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marylou Williams's NPI active?
- Yes — Marylou Williams's NPI (1548800360) is active in the NPPES registry as of the last update on 2026-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.