DR. DAVID BENSON WALKER M.D.
NPI 1215111687
Internal Medicine - Cardiovascular Disease in Raleigh, NC

Q: What is David Walker's NPI number?

The NPI number for David Walker is 1215111687. It was assigned to this individual provider in the NPPES registry on December 20, 2007.

Q: What is David Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for David Walker was last updated on April 15, 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.

Active since December 20, 2007PECOS EnrolledAccepts Medicare Assignment

4414 LAKE BOONE TRL, SUITE 402, RALEIGH, NC 27607(919) 784-5600 Get Directions Write a Review

NPPES record last updated: April 15, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. David Benson Walker M.d. NPPES

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

DR. DAVID BENSON WALKER M.D. (NPI 1215111687) is an individual cardiovascular disease provider in Raleigh, North Carolina, licensed in North Carolina (2009-01042) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of University Of South Carolina School Of Medicine (2006).

NPPES Registry Identity

NPI1215111687

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. DAVID BENSON WALKERCredential: M.D.

Location Address4414 LAKE BOONE TRL, SUITE 402Raleigh, NC 27607-7513

Mailing Address4414 Lake Boone Trl Ste 402Raleigh, NC 27607-7520 · (919) 784-5600

Phone(919) 784-5600

Sole ProprietorNo

Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2006

Enumeration DateDecember 20, 2007

Last NPPES UpdateApril 15, 2021

NPPES CertifiedApril 15, 2021

✔ NPI 1215111687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in NC · 2009-01042

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

4414 LAKE BOONE TRL, Raleigh, NC 27607

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.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

Dr. David Benson Walker M.d. 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 ID8325163041

PECOS Enrollment IDI20100917000162

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 David Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rex Hospital Inc

Same address

Surgery

4414 LAKE BOONE TRL STE 505
Raleigh, NC 27607

Reassigned Medicare billing, North Carolina enrollment
Also billed through NPI 1972939643 (North Carolina)
11 clinicians in this Medicare group

NPI 1336443712 (919) 784-2300

North Carolina Mg, LLC

0.1 mi

Hospitalist

4420 LAKE BOONE TRL
Raleigh, NC 27607

Reassigned Medicare billing, North Carolina enrollment
701 clinicians in this Medicare group

NPI 1215741640 (919) 784-3100

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 51

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.

Intensive cardiac rehabilitation; with or without continuous ecg monitoring with exercise, per session G0422

Intensive cardiac rehabilitation is a program designed to improve heart health after a cardiac event. It may involve monitored exercise sessions, where your heart rate is tracked via ECG to ensure safety. Each session is tailored to your needs and abilities.

6,190 services209 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.

840 services613 patients

Intensive cardiac rehabilitation; with or without continuous ecg monitoring; without exercise, per session G0423

Intensive cardiac rehabilitation (ICR) is a program designed to improve heart health, especially after a cardiac event. It may include continuous ECG monitoring to track heart activity. Each session, even without exercise, focuses on lifestyle changes, diet, and stress management.

807 services163 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

425 services291 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

278 services245 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

276 services245 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

272 services239 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

266 services264 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

208 services52 patients

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.

174 services101 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.

164 services81 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

149 services126 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

149 services127 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

87 services57 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.

65 services65 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.

65 services62 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.

61 services58 patients

Technetium tc-99m tetrofosmin, diagnostic, per study dose A9502

Technetium Tc-99m Tetrofosmin is a radiopharmaceutical used in diagnostic imaging. It helps highlight areas of concern in the heart by emitting signals captured by a special camera. This assists doctors in detecting heart conditions.

54 services27 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

51 services51 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

51 services26 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

50 services50 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

47 services46 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

41 services30 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

39 services26 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan 78431

This is a diagnostic test where a tiny amount of radioactive material is used to examine your heart's blood flow at rest & during stress, alongside a CT scan for detailed images. It helps identify any heart-related issues like blockages or damage.

37 services37 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

35 services25 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

33 services33 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

32 services32 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

32 services21 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

32 services30 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

30 services29 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

29 services27 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

28 services28 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

27 services27 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

27 services27 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) 93017

An exercise or drug-induced heart stress test with an ECG checks how your heart responds to stress. You'll either exercise on a treadmill or be given medication to stress your heart. An ECG then captures your heart's activity, helping detect any issues.

26 services26 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

26 services18 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

26 services26 patients

Injection, perflutren lipid microspheres, per ml Q9957

Perflutren lipid microspheres injection, per ml, is a diagnostic tool used to enhance ultrasound images. It contains tiny gas-filled bubbles that improve the clarity of the images, aiding in a more accurate diagnosis.

26 services13 patients

Ultrasound of heart, follow-up 93308

19 services12 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

19 services11 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

18 services15 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

18 services15 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

16 services14 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

15 services15 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

14 services14 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.

13 services12 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

12 services12 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

11 services11 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Unc Hospitals

Acute Care Hospitals · Chapel Hill, NC

5/5 CMS rating

OwnershipGovernment - State

CMS Certification Number340061

Location101 Manning DriveChapel Hill, NC 27514 · Orange County

Emergency services Birthing friendly

Betsy Johnson Regional Hospital

Acute Care Hospitals · Dunn, NC

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340071

Location800 Tilghman DrDunn, NC 28334 · Harnett County

Emergency services

Johnston Health

Acute Care Hospitals · Smithfield, NC

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number340090

Location509 Bright Leaf BlvdSmithfield, NC 27577 · Johnston County

Emergency services Birthing friendly

Rex Hospital

Acute Care Hospitals · Raleigh, NC

5/5 CMS rating

OwnershipGovernment - State

CMS Certification Number340114

Location4420 Lake Boone TrailRaleigh, NC 27607 · Wake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27607 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

$125.01 typical visit price

range $54.12 – $165.09

Typical copayment $31.25 (range $13.53 – $41.27)

Most-billed visit code 99204

Established Patient

$67.72 typical visit price

range $17.21 – $134.61

Typical copayment $16.93 (range $4.30 – $33.65)

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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier11 claims11 services$6.19 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

2 suppliers22 claims22 services$34.37 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.

RALEIGH OB/GYN CENTRE, PA

Specialist

4414 LAKE BOONE TRL, SUITE 405
RALEIGH, NC 27607

Wake County (919) 875-8225

DR. MYRA LYNN TEASLEY M.D.

Specialist

4414 LAKE BOONE TRL, SUITE 300
RALEIGH, NC 27607

Wake County (919) 781-5510

SACHIN S MUDVARI MD

Ophthalmology (Retina Specialist)

4414 LAKE BOONE TRL, SUITE 302
RALEIGH, NC 27607

Wake County (919) 782-8038

STOCKS SURGICAL CENTER, PLLC

Specialist

4414 LAKE BOONE TRL, SUITE 309
RALEIGH, NC 27607

Wake County (919) 850-0880

ERIN C. BURNETTE NP

Nurse Practitioner (Family)

4414 LAKE BOONE TRL
RALEIGH, NC 27607

Wake County (919) 781-5510

NORTH RALEIGH CARDIOVASCULAR DISEASES PA

Specialist

4414 LAKE BOONE TRL, SUITE 409
RALEIGH, NC 27607

Wake County (919) 790-0130

DR. JENIFER RAE BRISCOE-BRIMMAGE MD

Obstetrics & Gynecology

4414 LAKE BOONE TRL, SUITE 405
RALEIGH, NC 27607

Wake County (919) 876-8225

MR. JAMES GLENDON TRENNER P.A.-C

Physician Assistant (Medical)

4414 LAKE BOONE TRL, SUITE 502
RALEIGH, NC 27607

Wake County (919) 875-0539

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 David Walker's NPI number?

The NPI number for David Walker is 1215111687. It was assigned to this individual provider in the NPPES registry on December 20, 2007.

Where is David Walker located?

David Walker practices at 4414 Lake Boone Trl Suite 402, Raleigh, NC 27607. The listed phone number is (919) 784-5600.

What is David Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is David Walker enrolled in Medicare?

Yes. David 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 David Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Walker reassigns Medicare benefits to 2 organizations: Rex Hospital Inc (Raleigh, NC) and North Carolina Mg, LLC (Raleigh, NC). 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 David Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Walker accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list David 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 David Walker affiliated with any hospitals?

According to CMS data, David Walker is affiliated with Unc Hospitals, Betsy Johnson Regional Hospital, Johnston Health and Rex Hospital.

When was this NPI record last updated?

The NPPES record for David Walker was last updated on April 15, 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.