MRS. MAMIE CHOY WILLIAMS A.R.N.P.
NPI 1386071264
Nurse Practitioner in Roseville, CA
About Mrs. Mamie Choy Williams A.r.n.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MAMIE CHOY WILLIAMS A.R.N.P. (NPI 1386071264) is an individual nurse practitioner in Roseville, California, licensed in California (95024184) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Mamie Choy Williams A.r.n.p. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95661 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROSEVILLE, CA 95661
ROSEVILLE, CA 95661
ROSEVILLE, CA 95661
ROSEVILLE, CA 95661
ROSEVILLE, CA 95661
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mamie Williams's NPI number?
The NPI number for Mamie Williams is 1386071264. It was assigned to this individual provider in the NPPES registry on October 9, 2013.
Where is Mamie Williams located?
Mamie Williams practices at 8 Medical Plaza Dr Ste 300, Roseville, CA 95661. The listed phone number is (916) 782-5106.
What is Mamie Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mamie Williams enrolled in Medicare?
Yes. Mamie Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mamie Williams accept?
Health plans from PacificSource Health Plans list Mamie Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mamie Williams was last updated on June 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
