Dr. James Carver Walker, MD
- Medicare services, 2024
- 397
- Medicare patients, 2024
- 231
- Part D claims, 2024
- 396
- Hospital affiliations
- 2
- Industry payments
- $59,070
- Practice address
- Two St Vincent Circle, Little Rock, AR 72205
- Practice phone
- Call (501) 552-3000
- 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
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. James Carver Walker is a general surgeon in Little Rock, Arkansas
Dr. Walker practices at CHI St. Vincent Infirmary in Little Rock, Arkansas, part of CommonSpirit Health.
Dr. Walker's NPI, 1659513133, was assigned on March 31, 2009. Dr. Walker graduated from University of Arkansas College of Medicine in 2009. Dr. Walker holds Arkansas license E-8692.
- NPI
- 1659513133NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840417358
- NPI enumeration date
- March 31, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 552-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Carver Walker practices at 2 locations in Little Rock, Arkansas
Dr. Walker's primary practice is CHI St. Vincent Infirmary, at Two St Vincent Circle, Little Rock, AR 72205 in Pulaski County. The practice phone is (501) 552-3000. Dr. Walker also practices at Chi St Vincent Infirmary Medical Center, 2 St Vincent Cir, Little Rock, AR 72205.
- CHI St. Vincent InfirmaryPrimaryTwo St Vincent Circle, Little Rock, AR 72205 · Pulaski CountyPhone(501) 552-3000
- Chi St Vincent Infirmary Medical Center2 St Vincent Cir, Little Rock, AR 72205 · Pulaski CountyPhone(501) 552-3150
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. James Carver Walker is affiliated with 3 sites of care and 2 medical groups
Dr. Walker's primary practice is CHI St. Vincent Infirmary in Little Rock, Arkansas, part of CommonSpirit Health. Dr. Walker is also affiliated with Baptist Health Medical Center-Conway. The medical group on file is Arkansas Health Group. Dmand AI also links Dr. Walker to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Carver Walker'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 |
|---|---|
| CHI St. Vincent Infirmary | Available with a free account |
| +2 more sites and 1 medical group | 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 CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Carver Walker is one of 238 general surgeons in Arkansas
Surgery is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Walker is licensed in Arkansas.
Specialties and state licenses
- Surgery, ArkansasPrimary
General surgeons near Dr. Walker
Counts of general surgeons 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. James Carver Walker billed Medicare for 397 services in 2024
CMS data shows 397 Medicare services from Dr. Walker across 11 procedure codes in 2024, for 231 Medicare patients. Medicare paid $45,958 for them.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3662024: 3358%
- Surgery
- 2023: 832024: 5040%
- Imaging
- 2023: 142024: 1214%
Where Dr. Walker's Medicare services took place, 2024
- In an office11830%
- In a facility27970%
Dr. Walker compared with the Arkansas median for general surgeons, 2024
- Dr. Walker
- Arkansas median
- Medicare services
- 397vs 24761% above
- Medicare patients
- 231vs 18028% above
- Part D claims
- 376vs 774.9 times
Medians across 246 general surgeons in Arkansas 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.
Need commercial claims for Dr. Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other general surgeons in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Carver Walker treated 231 Medicare patients in 2024, average age 71
CMS counts 231 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.52, 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 66, with 63% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women11349%
- Men11851%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Ischemic heart disease45%
- Anxiety36%
- Mood disorders35%
- Depression34%
- Diabetes31%
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 66
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Carver Walker wrote 396 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 396 Medicare Part D claims for 163 patients. 99% of them were for generic drugs. CMS names the drug for 376 of them, across 4 drugs with 11 or more claims each, at $5,937 in total drug cost. In 2023, CMS named 390 claims across 3 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic394 claims99%
- Brand-name and other2 claims1%
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
- Opioids36%144 of 396 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: 3902024: 3764%
Drugs named by CMS: 4 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. James Carver Walker takes part in Medicare
Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. James Carver Walker received $59,070 in industry payments from 2016 to 2025
CMS Open Payments shows 162 general payments to Dr. Walker from 21 drug and device companies from 2016 to 2025. Education make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $48,167.
General payments to Dr. Walker by program year, 2016 to 2025
General payments to Dr. Walker by kind, 2016 to 2025
- Education$31,00052%
- Speaker and faculty fees$11,75020%
- Travel and lodging$7,47913%
- Food and beverage$6,32811%
- Other$2,5144%
Companies that paid Dr. Walker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Carver Walker graduated from University of Arkansas College of Medicine
Dr. Walker graduated from University of Arkansas College of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Carver Walker'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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)Doctors and Clinicians Utilization Data (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. James Carver Walker
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. James Carver Walker's NPI number?
Dr. James Carver Walker's NPI number is 1659513133. It was assigned on March 31, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. James Carver Walker?
Dr. James Carver Walker is a general surgeon in Little Rock, Arkansas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. James Carver Walker practice?
Dr. Walker practices at Two St Vincent Circle, Little Rock, AR 72205. Dr. Walker also practices at 2 St Vincent Cir, Little Rock, AR 72205. Dr. Walker's primary practice is CHI St. Vincent Infirmary in Little Rock, Arkansas, part of CommonSpirit Health. Dmand AI also links Dr. Walker to 1 group practice or clinic and 1 medical group.
What is Dr. James Carver Walker's office phone number?
The practice phone on file for Dr. Walker is (501) 552-3000.
What is Dr. James Carver Walker's medical license number?
Dr. Walker holds Arkansas license E-8692.
Which hospitals is Dr. James Carver Walker affiliated with?
Dr. Walker practices at CHI St. Vincent Infirmary in Little Rock, Arkansas. Dr. Walker is also affiliated with Baptist Health Medical Center-Conway.
What medical group is Dr. James Carver Walker part of?
Dr. Walker is linked to Arkansas Health Group. Dmand AI links Dr. Walker to 1 more medical group.
Does Dr. James Carver Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 397 services in 2024, and Dr. Walker accepts Medicare assignment.
How many Medicare patients does Dr. James Carver Walker see?
CMS counts 231 Medicare patients who saw Dr. Walker in 2024, with an average age of 71.
What services does Dr. James Carver Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99232) and office visit, new patient (99203).
Show 4 more questionsShow fewer questions
Where did Dr. James Carver Walker go to medical school?
Dr. Walker graduated from University of Arkansas College of Medicine in 2009.
What drugs does Dr. James Carver Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Ondansetron HCl, Oxycodone HCl and Naloxone HCl.
Has Dr. James Carver Walker received payments from drug or device companies?
CMS Open Payments shows $59,070 in general payments to Dr. Walker from 21 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. James Carver Walker been practicing?
Dr. Walker graduated from medical school in 2009, 17 years ago.
Selling to surgery practices?
See general surgeons in Arkansas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card