1. Home
  2. Directory
  3. South Carolina
  4. Greenville
  5. Orthopaedic Surgery
  6. NPI Profile

JOSEPH BROCK WALKER
NPI 1154715126
Orthopaedic Surgery in Greenville, SC

Active since March 26, 2015PECOS EnrolledAccepts Medicare Assignment
88.44/100
CMS Quality Rating
105 DOCTORS DR, GREENVILLE, SC 29605(864) 797-7060 Get Directions Write a Review

NPPES record last updated: June 2, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 2, 2021, Aug 14, 2020 (2 updates tracked since 2020).

About Joseph Brock Walker NPPES

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

JOSEPH BROCK WALKER (NPI 1154715126) is an individual orthopaedic surgery provider in Greenville, South Carolina, licensed in South Carolina (84760) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Charlottesville, and is a graduate of University Of Virginia School Of Medicine (2015).

NPPES Registry Identity

NPI1154715126
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameJOSEPH BROCK WALKER
Location Address105 DOCTORS DRGreenville, SC 29605-5608
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8614
Phone(864) 797-7060
Sole ProprietorYes
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2015
Enumeration DateMarch 26, 2015
Last NPPES UpdateJune 2, 20212 updates tracked since enumeration
NPPES CertifiedJune 2, 2021
✔ NPI 1154715126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in SC · 84760
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
105 DOCTORS DR, Greenville, SC 29605
Open in Google Maps ↗

Secondary Practice Location 1

Location 1611 Madison Ave Apt FCharlottesville, VA 22903-2110 · Phone (757) 565-4747

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joseph Brock 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 ID9638438237
PECOS Enrollment IDI20210831001360
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.

Medicare Billing Reassignment

Medicare enrollment records show Joseph Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Banner - University Physician Specialists LLC
1,696 mi
Multi-Specialty
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 553 clinicians in this Medicare group
NPI 1417312760 (602) 747-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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 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.
36 services34 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
33 services33 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
26 services26 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
26 services26 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.
21 services20 patients
X-ray of pelvis, 1-2 views 72170
An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.
17 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29605 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.

88.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40
Cost59.36

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier11 claims11 services$16.66 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

PRIYA HARPER
Physician Assistant (Surgical)
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7060
MICHAEL SRINIVASA SRIDHAR MD
Orthopaedic Surgery (Orthopaedic Trauma)
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7060
DR. CHRISTOPHER CHASE BRAY MD
Orthopaedic Surgery
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7060
DR. DYLAN NUGENT M.D.
Orthopaedic Surgery
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7060
DR. LUKAS G. KEIL MD
Orthopaedic Surgery
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7060
DAVID EVAN LAZARUS MD
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7150
HANNAH BREARLEY MEADE FNP
Nurse Practitioner (Family)
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7060
HALIE CARTER CRITES PA-C
Physician Assistant
105 DOCTORS DR
GREENVILLE, SC 29605
Greenville County (864) 797-7060

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 Joseph Walker's NPI number?

The NPI number for Joseph Walker is 1154715126. It was assigned to this individual provider in the NPPES registry on March 26, 2015.

Where is Joseph Walker located?

Joseph Walker practices at 105 Doctors Dr, Greenville, SC 29605. The listed phone number is (864) 797-7060.

What is Joseph Walker's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Joseph Walker enrolled in Medicare?

Yes. Joseph 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.

Which organization bills Medicare for Joseph Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Walker reassigns Medicare benefits to Banner - University Physician Specialists LLC (Phoenix, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Walker accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Joseph 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.

When was this NPI record last updated?

The NPPES record for Joseph Walker was last updated on June 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.