Surg Obes Relat Dis
Bariatric SurgeryCritical PathwaysGastric Bypass
Dr. John Wilder Baker, MD
NPI1447239116PAC ID2062588221
- Medicare services, 2018
- 160
- Part D claims, 2026
- 93
- Publications
- 11
- Hospital affiliations
- 3
- Industry payments
- $9,420
- Practice address
- 1901 Encore Way, Bryant, AR 72019
- Practice phone
- Call (501) 213-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Baker's professional email, personal email and mobile number
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Dr. John Wilder Baker is a general surgeon in Benton, Arkansas
Dr. Baker practices at Encore Medical Center in Bryant, Arkansas, part of Arkansas Heart Hospital.
Dr. Baker's NPI, 1447239116, was assigned on January 11, 2006. Dr. Baker graduated from LSU Health Shreveport School of Medicine in 1983. Dr. Baker holds Louisiana license 311310.
NPI and contact details
- NPI
- 1447239116NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062588221
- NPI enumeration date
- January 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 213-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Wilder Baker practices at Encore Medical Center in Bryant, Arkansas
Dr. Baker's primary practice is Encore Medical Center, at 1901 Encore Way, Bryant, AR 72019 in Saline County. The practice phone is (501) 213-4500.
- Encore Medical Center1901 Encore Way, Bryant, AR 72019 · Saline CountyPhone(501) 213-4500
Source: Dmand AI Affiliation Data
Dr. John Wilder Baker is affiliated with 5 sites of care and 3 medical groups
Dr. Baker's primary practice is Encore Medical Center in Bryant, Arkansas, part of Arkansas Heart Hospital. Dr. Baker is also affiliated with Bartlett Regional Hospital. The medical group on file is Arkansas Heart Hospital Clinic (Little Rock Clinic). Dmand AI also links Dr. Baker to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Bartlett Regional HospitalArkansas Heart Hospital Clinic (Little Rock Clinic)1 hospitalName with a free account2 group practices and clinicsNames with a free account2 medical groupsNames with a free account
See all 8 affiliations for Dr. BakerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Wilder Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Encore Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. John Wilder Baker is one of 238 general surgeons in Arkansas
Surgery is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Baker is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Baker's licenses on file in 5 states: Louisiana, Arkansas, Mississippi, Florida and Alaska.
Specialties and state licenses
- Surgery, LouisianaPrimary
- Arkansas license
- Mississippi license
- Florida license
- Alaska license
Clinical focus
Dmand AI lists upper GI endoscopy among the conditions Dr. Baker treats.
General surgeons near Dr. Baker
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
238general surgeons in Arkansas
7general surgeons in Benton
3general surgeons at Encore Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Wilder Baker billed Medicare for 160 services in 2018
CMS data shows 160 Medicare services from Dr. Baker across 5 procedure codes in 2018. Medicare paid $7,266 for them.
Medicare services, 2018160
Paid by Medicare$7,266
Procedure codes5
Dr. Baker's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1962018: 16018%
Where Dr. Baker's Medicare services took place, 2018
- In an office10163%
- In a facility5937%
Dr. Baker compared with the Arkansas median for general surgeons, 2018
- Dr. Baker
- Arkansas median
- Medicare services
- 160vs 24735% below
- Part D claims
- 48vs 7738% below
Medians across 246 general surgeons in Arkansas with Dmand AI profiles that report each measure.
Dr. Baker's most billed Medicare procedure codes, 2018
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. Baker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Baker and other general surgeons in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Wilder Baker's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 44, with 88% women.
Dr. Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women88%
- Men12%
Source: Dmand AI Patient Panel Data
Dr. John Wilder Baker wrote 93 Medicare Part D claims in 2026
In 2026, Dr. Baker wrote 93 Medicare Part D claims for 18 patients. 76% of them were for generic drugs. CMS names the drug for 48 of them, across 3 drugs with 11 or more claims each, at $13,394 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Part D claims, 202693
Drugs named by CMS3
Total drug cost$13,394
Part D patients18
Dr. Baker's Part D claims by kind of drug, 2026
- Generic71 claims76%
- Brand-name22 claims24%
Dr. Baker'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 182024: 48167%
Drugs named by CMS: 3 in 2024, 1 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), 2026 data
How Dr. John Wilder Baker takes part in Medicare
Dr. Baker 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. John Wilder Baker has 11 publications on record
Dmand AI links 11 papers to Dr. Baker, published from 2021 to 2024. 2022 was the busiest year, with 6. The most frequent topics are Bariatric Surgery, Obesity, Morbid and Gastric Bypass. Dr. Baker has published most often in Obes Surg. Dr. Baker's most frequent co-authors are Mohamed Abdelkarim Aboueisha, MD, Michael Zachary Caposole, DO and Carlos A. Galvani, MD.
Papers11
Years published2021 to 2024
Dr. Baker's papers by year, 2021 to 2024
Topics Dr. Baker writes about most
- Bariatric Surgery
- Obesity, Morbid
- Gastric Bypass
- Copper
- Laparoscopy
- Postoperative Complications
Dr. Baker's most frequent co-authors
- Mohamed Abdelkarim Aboueisha, MD3 shared papers
- Michael Zachary Caposole, DO3 shared papers
- Carlos A. Galvani, MD3 shared papers
Recent publications by Dr. Baker
Bariatric SurgeryEndoscopy, GastrointestinalEsophagitis
Bariatric SurgeryGastrectomyGastric Bypass
Bariatric SurgeryCost-Benefit AnalysisHealth Care Costs
AccreditationBariatric SurgeryPostoperative Complications
See who Dr. Baker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baker works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Wilder Baker received $9,420 in industry payments from 2016 to 2025
CMS Open Payments shows 50 general payments to Dr. Baker from 11 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 48% of the total. Covidien LP paid the most, $6,166.
General payments to Dr. Baker by program year, 2016 to 2025
General payments to Dr. Baker by kind, 2016 to 2025
$9.4Kin total
- Speaker and faculty fees$4,51248%
- Travel and lodging$2,45926%
- Food and beverage$2,42126%
- Entertainment$280%
Companies that paid Dr. Baker 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. John Wilder Baker has 1 award and honors on record
Dmand AI lists 1 award for Dr. Baker.
Awards and honors for Dr. Baker
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. John Wilder Baker graduated from LSU Health Shreveport School of Medicine
Dr. Baker graduated from LSU Health Shreveport School of Medicine in 1983. Dr. Baker is a member of ACS and American Society for Metabolic and Bariatric Surgery.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. John Wilder Baker accepts plans from 20 insurance carriers
Dr. Baker is in network with 20 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- +12 more carriersWith a free account
Plan types Dr. Baker accepts, by number of carriers
- PPO14
- Medicare8
- HMO7
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Wilder Baker'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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John Wilder Baker
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. John Wilder Baker's NPI number?
Dr. John Wilder Baker's NPI number is 1447239116. It was assigned on January 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Wilder Baker?
Dr. John Wilder Baker is a general surgeon in Benton, Arkansas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Wilder Baker practice?
Dr. Baker practices at 1901 Encore Way, Bryant, AR 72019. Dr. Baker's primary practice is Encore Medical Center in Bryant, Arkansas, part of Arkansas Heart Hospital. Dmand AI also links Dr. Baker to 1 hospital, 2 group practices and clinics and 2 medical groups, and a free account names each one.
What is Dr. John Wilder Baker's office phone number?
The practice phone on file for Dr. Baker is (501) 213-4500. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. John Wilder Baker's email address?
Dmand AI checks professional and personal email addresses for Dr. Baker through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. John Wilder Baker's medical license number?
Dr. Baker holds Louisiana license 311310, one of the licenses on file in 5 states.
Which states has Dr. John Wilder Baker been licensed in?
Dmand AI has state licenses on file for Dr. Baker in Louisiana (1983 to 2026), Arkansas (1990 to 2027), Mississippi (2021 to 2026), Florida (2012 to 2022) and Alaska (1988 to 1996).
Which hospitals is Dr. John Wilder Baker affiliated with?
Dr. Baker practices at Encore Medical Center in Bryant, Arkansas. Dr. Baker is also affiliated with Bartlett Regional Hospital. Dmand AI links Dr. Baker to 1 more hospital, named with a free account.
What medical group is Dr. John Wilder Baker part of?
Dr. Baker is linked to Arkansas Heart Hospital Clinic (Little Rock Clinic). Dmand AI links Dr. Baker to 2 more medical groups, named with a free account.
Who does Dr. John Wilder Baker practice with?
Dmand AI links 90 HCPs to Dr. Baker's primary medical group, 5 of them general surgeons. A free account lists them, with verified contacts.
Show 11 more questionsShow fewer questions
Does Dr. John Wilder Baker accept Medicare?
Yes. CMS data shows Dr. Baker billed Medicare for 160 services in 2018, and Dr. Baker accepts Medicare assignment.
Is Dr. John Wilder Baker board certified?
Yes. Dr. Baker is board certified in surgery by the American Board of Surgery.
What services does Dr. John Wilder Baker bill to Medicare?
In 2018, Dr. Baker's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99231) and office visit, established patient (99212).
Where did Dr. John Wilder Baker go to medical school?
Dr. Baker graduated from LSU Health Shreveport School of Medicine in 1983.
What drugs does Dr. John Wilder Baker prescribe most?
In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Vitamin D2, Pantoprazole Sodium and Mounjaro.
Has Dr. John Wilder Baker received payments from drug or device companies?
CMS Open Payments shows $9,420 in general payments to Dr. Baker from 11 companies from 2016 to 2025. The largest total came from Covidien LP.
How long has Dr. John Wilder Baker been practicing?
Dr. Baker graduated from medical school in 1983, 43 years ago.
Does Dr. John Wilder Baker do research?
Dmand AI links 11 publications to Dr. Baker, published from 2021 to 2024.
Who does Dr. John Wilder Baker publish with?
Dr. Baker's most frequent co-authors are Mohamed Abdelkarim Aboueisha, MD (3 shared papers), Michael Zachary Caposole, DO (3 shared papers) and Carlos A. Galvani, MD (3 shared papers).
What EHR does Dr. John Wilder Baker's practice use?
Dmand AI tracks the EHR system at Encore Medical Center and at 4 more sites and 2 medical groups. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. John Wilder Baker accept?
Dr. Baker is in network with 20 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.
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