ALYSSA RENEE WALKER
NPI 1174136816
Physician Assistant in Columbia, SC

Active since August 24, 2020PECOS EnrolledAccepts Medicare Assignment
99.32/100
CMS Quality Rating
8 RICHLAND MEDICAL PARK DR STE 100, COLUMBIA, SC 29203(803) 434-3800(803) 744-2859 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 3, 2025, Oct 28, 2022, Aug 24, 2020 (3 updates tracked since 2020).

About Alyssa Renee Walker NPPES

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

ALYSSA RENEE WALKER (NPI 1174136816) is an individual physician assistant in Columbia, South Carolina, licensed in South Carolina (4595) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with Prisma Health Richland Hospital, and is a graduate of Texas Tech University Health Science Center School Of Medicine (2022).

NPPES Registry Identity

NPI1174136816
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALYSSA RENEE WALKER
Location Address8 RICHLAND MEDICAL PARK DR STE 100Columbia, SC 29203-8006
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8603
Fax(803) 744-2859
Sole ProprietorNo
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2022
Enumeration DateAugust 24, 2020
Last NPPES UpdateSeptember 3, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
NPI 1174136816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in SC · 4595
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

8 RICHLAND MEDICAL PARK DR STE 100, Columbia, SC 29203

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

Alyssa Renee Walker 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 ID2163899758
PECOS Enrollment IDI20221111000521
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 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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
106 services90 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
45 services41 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
17 services17 patients

Hospital Affiliations CMS Care Compare 4

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

Prisma Health Richland Hospital

Acute Care Hospitals · Columbia, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420018
Location5 Medical ParkColumbia, SC 29203 · Richland County
Emergency services Birthing friendly

Newberry County Memorial Hospital

Acute Care Hospitals · Newberry, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number420053
Location2669 Kinard St PO Box 497Newberry, SC 29108 · Newberry County
Emergency services Birthing friendly

Prisma Health Baptist

Acute Care Hospitals · Columbia, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420086
Location1330 Taylor At Marion StColumbia, SC 29220 · Richland County
Emergency services Birthing friendly

Prisma Health Baptist Parkridge

Acute Care Hospitals · Columbia, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420106
Location400 Palmetto Health ParkwayColumbia, SC 29212 · Lexington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29203 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
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.32/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality90.59
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Sleep Medicine)
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203
Internal Medicine (Interventional Cardiology)
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203
Physician Assistant (Medical)
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203
Physician Assistant
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203
Physician Assistant
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203
Nurse Practitioner (Acute Care)
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203
Internal Medicine (Interventional Cardiology)
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203
Internal Medicine (Interventional Cardiology)
8 RICHLAND MEDICAL PARK DR STE 100
COLUMBIA, SC 29203

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 Alyssa Walker's NPI number?

The NPI number for Alyssa Walker is 1174136816. It was assigned to this individual provider in the NPPES registry on August 24, 2020.

Where is Alyssa Walker located?

Alyssa Walker practices at 8 Richland Medical Park Dr Ste 100, Columbia, SC 29203. The listed phone number is (803) 434-3800.

What is Alyssa Walker's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Alyssa Walker enrolled in Medicare?

Yes. Alyssa Walker 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 Alyssa Walker accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina and BlueCross BlueShield of South Carolina list Alyssa Walker 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 Alyssa Walker affiliated with any hospitals?

According to CMS data, Alyssa Walker is affiliated with Prisma Health Richland Hospital, Newberry County Memorial Hospital, Prisma Health Baptist and Prisma Health Baptist Parkridge.

When was this NPI record last updated?

The NPPES record for Alyssa Walker was last updated on September 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.