Dr. William P. Walker III, MD
- Medicare services, 2024
- 811
- Medicare patients, 2024
- 274
- Part D claims, 2024
- 255
- Hospital affiliations
- 2
- Industry payments
- $252
- Practice address
- 300 Singleton Ridge Road, Conway, SC 29526
- Practice phone
- Call (843) 347-8037
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walker's professional email, personal email and mobile number
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Dr. William P. Walker III is an internist in Conway, South Carolina
Dr. Walker practices at Conway Medical Center in Conway, South Carolina, part of Conway Medical Center.
Dr. Walker's NPI, 1578564142, was assigned on August 9, 2005. Dr. Walker graduated from Brody School of Medicine at East Carolina University in 1992. Dr. Walker holds North Carolina license 9500754.
- NPI
- 1578564142NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436231180
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 347-8037
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William P. Walker III practices at Conway Medical Center in Conway, South Carolina
Dr. Walker's primary practice is Conway Medical Center, at 300 Singleton Ridge Road, Conway, SC 29526 in Horry County. The practice phone is (843) 347-8037.
- Conway Medical Center300 Singleton Ridge Road, Conway, SC 29526 · Horry CountyPhone(843) 347-8037
Source: Dmand AI Affiliation Data
Dr. William P. Walker III is affiliated with 3 sites of care and 1 medical group
Dr. Walker's primary practice is Conway Medical Center in Conway, South Carolina, part of Conway Medical Center. Dr. Walker is also affiliated with MUSC Health University Medical Center. The medical group on file is Hospital Physician Services - Southeast Professional Corporation. Dmand AI also links Dr. Walker to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William P. Walker III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Conway Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Conway Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William P. Walker III is one of 1,707 internists in South Carolina
Internal medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Walker is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Walker
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William P. Walker III billed Medicare for 811 services in 2024
CMS data shows 811 Medicare services from Dr. Walker across 5 procedure codes in 2024, for 274 Medicare patients. Medicare paid $65,627 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9442024: 81114%
Dr. Walker compared with the South Carolina median for internists, 2024
- Dr. Walker
- South Carolina median
- Medicare services
- 811vs 74010% above
- Medicare patients
- 274vs 2586% above
- Part D claims
- 42vs 33187% below
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William P. Walker III treated 274 Medicare patients in 2024, average age 76
CMS counts 274 Medicare patients who saw Dr. Walker in 2024. The largest group is 75 to 84, with 118 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 69, with 51% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women15255%
- Men12245%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Anxiety46%
- Ischemic heart disease44%
- Diabetes43%
- Chronic kidney disease41%
- Heart failure41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William P. Walker III wrote 255 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 255 Medicare Part D claims for 118 patients. 89% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $311 in total drug cost. In 2023, CMS named 39 claims across 3 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic226 claims89%
- Brand-name and other29 claims11%
Dr. Walker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Walker's Part D claims, 2024
- Opioids7%17 of 255 claims
- Antibiotics18%45 of 255 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 392024: 428%
Drugs named by CMS: 3 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. William P. Walker III takes part in Medicare
Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William P. Walker III received $252 in industry payments from 2017 to 2024
CMS Open Payments shows 16 general payments to Dr. Walker from 11 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $57.
General payments to Dr. Walker by program year, 2017 to 2024
Companies that paid Dr. Walker the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William P. Walker III graduated from Brody School of Medicine at East Carolina University
Dr. Walker graduated from Brody School of Medicine at East Carolina University in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William P. Walker III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William P. Walker III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William P. Walker III's NPI number?
Dr. William P. Walker III's NPI number is 1578564142. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William P. Walker III?
Dr. William P. Walker III is an internist in Conway, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William P. Walker III practice?
Dr. Walker practices at 300 Singleton Ridge Road, Conway, SC 29526. Dr. Walker's primary practice is Conway Medical Center in Conway, South Carolina, part of Conway Medical Center. Dmand AI also links Dr. Walker to 1 physician office.
What is Dr. William P. Walker III's office phone number?
The practice phone on file for Dr. Walker is (843) 347-8037.
What is Dr. William P. Walker III's medical license number?
Dr. Walker holds North Carolina license 9500754.
Which hospitals is Dr. William P. Walker III affiliated with?
Dr. Walker practices at Conway Medical Center in Conway, South Carolina. Dr. Walker is also affiliated with MUSC Health University Medical Center.
What medical group is Dr. William P. Walker III part of?
Dr. Walker is linked to Hospital Physician Services - Southeast Professional Corporation.
Does Dr. William P. Walker III accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 811 services in 2024, and Dr. Walker accepts Medicare assignment.
How many Medicare patients does Dr. William P. Walker III see?
CMS counts 274 Medicare patients who saw Dr. Walker in 2024, with an average age of 76.
What services does Dr. William P. Walker III bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Show 4 more questionsShow fewer questions
Where did Dr. William P. Walker III go to medical school?
Dr. Walker graduated from Brody School of Medicine at East Carolina University in 1992.
What drugs does Dr. William P. Walker III prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Levofloxacin, Atorvastatin Calcium and Pantoprazole Sodium.
Has Dr. William P. Walker III received payments from drug or device companies?
CMS Open Payments shows $252 in general payments to Dr. Walker from 11 companies from 2017 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. William P. Walker III been practicing?
Dr. Walker graduated from medical school in 1992, 34 years ago.
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