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

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: July 26, 2026.

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

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
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

Secondary Practice Locations 5

Location 14500 Memorial DrBelleville, IL 62226-5360 · Phone (618) 257-6220 · Fax (618) 257-6679
Location 25200 Fairview BlvdWyoming, MN 55092-8013 · Phone (651) 982-7000
Location 325 Hospital Center BlvdHilton Head Island, SC 29926-2738 · Phone (843) 784-8224
Location 4955 Ribaut RdBeaufort, SC 29902 · Phone (843) 522-5010
Location 51801 Sunset Blvd, Internal MedicineColumbia, SC 29203 · Phone (803) 540-1000 · Fax (803) 540-1050

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

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.

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 Affiliations CMS Care Compare 5

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

Fairview Northland Regional Hospital

Acute Care Hospitals · Princeton, MN
OwnershipVoluntary non-profit - Other
CMS Certification Number240141
Location911 Northland DrivePrinceton, MN 55371 · Mille Lacs 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.

Internal Medicine
20 PADDOCKS BLVD
HILTON HEAD ISLAND, SC 29926

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.

What insurance does Christopher Walker accept?

Health plans from First Choice Next, Medica 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, Fairview Northland Regional Hospital, 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 with the weekly NPPES data releases published by CMS.