SIERRA R WILLIAMS NP
NPI 1457891228
Nurse Practitioner - Acute Care in Greenville, SC

Active since February 27, 2017PECOS EnrolledAccepts Medicare Assignment
200 PATEWOOD DR STE B260, GREENVILLE, SC 29615(864) 454-2100(864) 241-9248 Get Directions Write a Review

NPPES record last updated: June 29, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 29, 2021, Feb 15, 2018, Mar 24, 2017 and 1 more (4 updates tracked since 2017).

About Sierra R Williams Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERRA R WILLIAMS NP (NPI 1457891228) is an individual acute care provider in Greenville, South Carolina, licensed in South Carolina (20802) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, is affiliated with Prisma Health Oconee Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1457891228
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameSIERRA R WILLIAMSCredential: NP
Location Address200 PATEWOOD DR STE B260Greenville, SC 29615-6328
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8603
Fax(864) 241-9248
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateFebruary 27, 2017
Last NPPES UpdateJune 29, 20214 updates tracked since enumeration
NPPES CertifiedJune 29, 2021
NPI 1457891228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in SC · 20802
200 PATEWOOD DR STE B260, Greenville, SC 29615

Other Identifiers 1

MedicaidNP4419SC

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

Sierra R Williams Np 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.

PECOS PAC ID6204113202
PECOS Enrollment IDI20170501000002
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
39 services32 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
34 services31 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Prisma Health Oconee Memorial Hospital

Acute Care Hospitals · Seneca, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420009
Location298 Memorial DrSeneca, SC 29672 · Oconee County
Emergency services Birthing friendly

Prisma Health Greer Memorial Hospital

Acute Care Hospitals · Spartanburg, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420033
Location1413 John B White Sr Blvd Suite DSpartanburg, SC 29306 · Spartanburg County
Emergency services Birthing friendly

Prisma Health Hillcrest Hospital

Acute Care Hospitals · Simpsonville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420037
Location741 South East Main StreetSimpsonville, SC 29681 · Greenville County
Emergency services

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420078
Location701 Grove RoadGreenville, SC 29605 · Greenville County
Birthing friendly

Prisma Health Patewood Hospital

Acute Care Hospitals · Greenville, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420102
Location175 Patewood DriveGreenville, SC 29615 · Greenville County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29615 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Phlebology
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615
Phlebology
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615
Physician Assistant
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615
Family Medicine
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615
Internal Medicine
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615
Nurse Practitioner (Adult Health)
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615
Internal Medicine
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615
Internal Medicine
200 PATEWOOD DR STE B260
GREENVILLE, SC 29615

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 Sierra Williams's NPI number?

The NPI number for Sierra Williams is 1457891228. It was assigned to this individual provider in the NPPES registry on February 27, 2017.

Where is Sierra Williams located?

Sierra Williams practices at 200 Patewood Dr Ste B260, Greenville, SC 29615. The listed phone number is (864) 454-2100.

What is Sierra Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Sierra Williams enrolled in Medicare?

Yes. Sierra 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 Sierra Williams accept?

Health plans from BlueCross BlueShield of South Carolina and InStil Health list Sierra 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.

Is Sierra Williams affiliated with any hospitals?

According to CMS data, Sierra Williams is affiliated with Prisma Health Oconee Memorial Hospital, Prisma Health Greer Memorial Hospital, Prisma Health Hillcrest Hospital, Prisma Health Greenville Memorial Hospital and Prisma Health Patewood Hospital.

When was this NPI record last updated?

The NPPES record for Sierra Williams was last updated on June 29, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.