CHRISTOPHER LEE WALKER MD
NPI 1114230323
Internal Medicine in Hilton Head Island, SC

Q: What is Christopher Walker's NPI number?

The NPI number for Christopher Walker is 1114230323. It was assigned to this individual provider in the NPPES registry on July 16, 2010.

Q: What is Christopher Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since July 16, 2010PECOS EnrolledAccepts Medicare Assignment

20 PADDOCKS BLVD, HILTON HEAD ISLAND, SC 29926(706) 614-9056 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 20, 2026, Jun 3, 2024, Jan 22, 2019 and 1 more (4 updates tracked since 2018).

On this page

About Christopher Lee Walker Md NPPES

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

CHRISTOPHER LEE WALKER MD (NPI 1114230323) is an individual internal medicine provider in Hilton Head Island, South Carolina, licensed in South Carolina (32988) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Memorial University Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1114230323

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameCHRISTOPHER LEE WALKERCredential: MD

Location Address20 PADDOCKS BLVDHilton Head Island, SC 29926-3507

Mailing Address20 Paddocks BlvdHilton Head Island, SC 29926-3507 · (706) 614-9056

Phone(706) 614-9056

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateJuly 16, 2010

Last NPPES UpdateJanuary 20, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 20, 2026

✔ NPI 1114230323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in SC · 32988✔ Licensed in SC · LL32988✔ Licensed in MN · 75406

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License 036.167473 (IL)

20 PADDOCKS BLVD, Hilton Head Island, SC 29926

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Secondary Practice Locations 5

Location 11801 Sunset Blvd, Internal MedicineColumbia, SC 29203 · Phone (803) 540-1000 · Fax (803) 540-1050

Location 24500 Memorial DrBelleville, IL 62226-5360 · Phone (618) 257-6220 · Fax (618) 257-6679

Location 35200 Fairview BlvdWyoming, MN 55092-8013 · Phone (651) 982-7000

Location 425 Hospital Center BlvdHilton Head Island, SC 29926-2738 · Phone (843) 784-8224

Location 5955 Ribaut RdBeaufort, SC 29902 · Phone (843) 522-5010

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, First Choice Next, Mending Health 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

Christopher Lee Walker Md 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 ID941444798

PECOS Enrollment IDI20130917000206, I20240102000810

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 Reassignments

Medicare enrollment records show Christopher Walker reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Walker Medical LLC

Same address

Internal Medicine

20 PADDOCKS BLVD
Hilton Head Island, SC 29926

Reassigned Medicare billing, South Carolina enrollment

NPI 1801653126 (706) 614-9056

Hilton Head Regional Physician Group LLC

2.8 mi

Obstetrics & Gynecology

25 HOSPITAL CENTER BLVD STE AAND305
Hilton Head, SC 29926

Reassigned Medicare billing, South Carolina enrollment
157 clinicians in this Medicare group

NPI 1013778158 (843) 681-4977

Sc House Calls Inc

127 mi

Family Medicine

111 DOCTOR CIR
Columbia, SC 29203

Reassigned Medicare billing, South Carolina enrollment
631 clinicians in this Medicare group

NPI 1518048859 (800) 491-0909

Southeastern Hospitalist Services PC

155 mi

Hospitalist

809 82ND PKWY
Myrtle Beach, SC 29572

Reassigned Medicare billing, South Carolina enrollment
529 clinicians in this Medicare group

NPI 1003280108 (843) 692-1000

Hospital Physician Services - Southeast Professional Corporation

206 mi

Hospitalist

2151 W SPRING ST
Monroe, GA 30655

Reassigned Medicare billing, South Carolina enrollment
311 clinicians in this Medicare group

NPI 1760410385 (770) 267-8461

Carle Health Medical Group

686 mi

Internal Medicine

611 W PARK ST
Urbana, IL 61801

Reassigned Medicare billing, South Carolina enrollment
Medicare enrollment name: Carle Health Care Incorporated
4 clinicians in this Medicare group

NPI 1154653947 (217) 383-8300

Fairview Heights Medical Group, Sc

704 mi

Internal Medicine

670 MASON RIDGE CENTER DR, STE 300
Saint Louis, MO 63141

Reassigned Medicare billing, Illinois enrollment
507 clinicians in this Medicare group

NPI 1811392210 (314) 996-7644

Methodist Medical Center Of Illinois

764 mi

Family Medicine

120 NE GLEN OAK AVE, SUITE 101
Peoria, IL 61603

Reassigned Medicare billing, South Carolina enrollment
3 clinicians in this Medicare group

NPI 1184670663 (309) 671-8230

Metro Physicians LLC

989 mi

Hospitalist

1111 N LEE AVE STE 305
Oklahoma City, OK 73103

Reassigned Medicare billing, Oklahoma enrollment
89 clinicians in this Medicare group

NPI 1588374797 (405) 272-4978

Fairview Clinics

1,089 mi

Primary Care

19685 PILOT KNOB RD
Farmington, MN 55024

Reassigned Medicare billing, Minnesota enrollment
2,302 clinicians in this Medicare group

NPI 1043491749 (651) 463-5100

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 12

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

1,122 services401 patients

Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 99489

Complex chronic care management is a service for patients with multiple chronic conditions. It involves an additional 60 minutes per month of clinical staff time directed by a healthcare professional. This service assists in managing your health conditions effectively.

899 services55 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

373 services208 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

251 services245 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

194 services111 patients

Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 99487

Complex chronic care management is a service for patients with two or more long-term health conditions. It involves a healthcare professional directing clinical staff in providing care for the first 60 minutes each month. This helps manage your health conditions effectively.

183 services56 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

156 services152 patients

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.

63 services45 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

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

22 services14 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

18 services17 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

18 services18 patients

Hospital Affiliations CMS Care Compare 4

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

Memorial University Medical Center

Acute Care Hospitals · Savannah, GA

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number110036

Location4700 Waters AvenueSavannah, GA 31404 · Chatham County

Emergency services Birthing friendly

Beaufort County Memorial Hospital

Acute Care Hospitals · Beaufort, SC

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number420067

Location955 Ribaut RdBeaufort, SC 29902 · Beaufort County

Emergency services Birthing friendly

Hilton Head Regional Medical Center

Acute Care Hospitals · Hilton Head Island, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number420080

Location25 Hospital Center BlvdHilton Head Island, SC 29925 · Beaufort County

Emergency services Birthing friendly

Coastal Carolina Hospital

Acute Care Hospitals · Hardeeville, SC

2/5 CMS rating

OwnershipProprietary

CMS Certification Number420101

Location1000 Medical Center DriveHardeeville, SC 29927 · Jasper County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29926 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

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

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.

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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%209 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier47 claims47 services$17.28 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier12 claims12 services$784.18 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier52 claims52 services$89.81 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

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

WALKER MEDICAL LLC

Internal Medicine

20 PADDOCKS BLVD
HILTON HEAD ISLAND, SC 29926

Beaufort County (706) 614-9056

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 Christopher Walker's NPI number?

The NPI number for Christopher Walker is 1114230323. It was assigned to this individual provider in the NPPES registry on July 16, 2010.

Where is Christopher Walker located?

Christopher Walker practices at 20 Paddocks Blvd, Hilton Head Island, SC 29926. The listed phone number is (706) 614-9056.

What is Christopher Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christopher Walker enrolled in Medicare?

Yes. Christopher 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 organizations bill Medicare for Christopher Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Walker reassigns Medicare benefits to 14 organizations: Walker Medical LLC (Hilton Head Island, SC), Hilton Head Regional Physician Group LLC (Hilton Head, SC), Sc House Calls Inc (Columbia, SC), Southeastern Hospitalist Services PC (Myrtle Beach, SC), Hospital Physician Services - Southeast Professional Corporation (Monroe, GA) and 9 more organizations, listed in the Medicare section above. Each 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 Christopher Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Walker accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, First Choice Next, Mending Health and Sanford Health Plan list Christopher 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 Christopher Walker affiliated with any hospitals?

According to CMS data, Christopher Walker is affiliated with Memorial University Medical Center, Beaufort County Memorial Hospital, Hilton Head Regional Medical Center and Coastal Carolina Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Walker was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.