Dr. John Chalmers Neill Jr., MD
- Medicare services, 2024
- 963
- Medicare patients, 2024
- 676
- Part D claims, 2024
- 70
- Publications
- 5
- Hospital affiliations
- 1
- Practice address
- 830 S Gloster Street, Tupelo, MS 38801
- Practice phone
- Call (662) 377-6608
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Neill's professional email, personal email and mobile number
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Dr. John Chalmers Neill Jr. is a cardiothoracic surgeon in Tupelo, Mississippi
Dr. Neill practices at North Mississippi Medical Center-Tupelo in Tupelo, Mississippi, part of North Mississippi Health Services.
Dr. Neill's NPI, 1114330180, was assigned on June 8, 2014. Dr. Neill holds Mississippi license 29081.
- NPI
- 1114330180NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789900143
- NPI enumeration date
- June 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (662) 377-6608
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Chalmers Neill Jr. practices at North Mississippi Medical Center-Tupelo in Tupelo, Mississippi
Dr. Neill's primary practice is North Mississippi Medical Center-Tupelo, at 830 S Gloster Street, Tupelo, MS 38801 in Lee County. The practice phone is (662) 377-6608.
- North Mississippi Medical Center-Tupelo830 S Gloster Street, Tupelo, MS 38801 · Lee CountyPhone(662) 377-6608
Source: Dmand AI Affiliation Data
Dr. John Chalmers Neill Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Neill's primary practice is North Mississippi Medical Center-Tupelo in Tupelo, Mississippi, part of North Mississippi Health Services. The medical group on file is North Mississippi Medical Center. Dmand AI also links Dr. Neill to 1 more hospice, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Chalmers Neill Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Neill practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Mississippi Medical Center-Tupelo | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. John Chalmers Neill Jr. is one of 43 cardiothoracic surgeons in Mississippi
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Neill's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Neill is licensed in Mississippi.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), MississippiPrimary
Cardiothoracic surgeons near Dr. Neill
Counts of cardiothoracic 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. John Chalmers Neill Jr. billed Medicare for 963 services in 2024
CMS data shows 963 Medicare services from Dr. Neill across 15 procedure codes in 2024, for 676 Medicare patients. Medicare paid $54,242 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Neill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6982024: 6339%
- Office and hospital visits
- 2023: 2722024: 23115%
- Imaging
- 2023: 892024: 6033%
- Surgery
- 2023: 1092024: 3964%
Dr. Neill compared with the Mississippi median for cardiothoracic surgeons, 2024
- Dr. Neill
- Mississippi median
- Medicare services
- 963vs 1466.6 times
- Medicare patients
- 676vs 1205.6 times
- Part D claims
- 58vs 3471% above
Medians across 39 cardiothoracic surgeons in Mississippi with Dmand AI profiles that report each measure.
Dr. Neill'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. Neill and other cardiothoracic surgeons in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Chalmers Neill Jr. treated 676 Medicare patients in 2024, average age 75
CMS counts 676 Medicare patients who saw Dr. Neill in 2024. The largest group is 75 to 84, with 278 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.13, 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. Neill's median patient age at 74, with 41% women.
Dr. Neill's Medicare patients by age, 2024
Dr. Neill's Medicare patients by sex, 2024
- Women28542%
- Men39158%
Chronic conditions among Dr. Neill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Arthritis51%
- Diabetes49%
- Chronic kidney disease45%
- COPD35%
- Tobacco use30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Neill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Chalmers Neill Jr. wrote 70 Medicare Part D claims in 2024
In 2024, Dr. Neill wrote 70 Medicare Part D claims for 36 patients. 97% of them were for generic drugs. CMS names the drug for 58 of them, across 2 drugs with 11 or more claims each, at $833 in total drug cost. In 2023, CMS named 121 claims across 3 drugs.
Dr. Neill's Part D claims by kind of drug, 2024
- Generic68 claims97%
- Brand-name and other2 claims3%
Dr. Neill'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: 1212024: 5852%
Drugs named by CMS: 2 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
Dr. John Chalmers Neill Jr. ranks in the 86th percentile for leg revascularization (restoring blood flow) in Medicare
Dr. Neill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of leg revascularization (restoring blood flow) by Dr. Neill, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Neill ranks in Medicare procedure volume
- Leg revascularization (restoring blood flow)
- 86th percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 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)
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Dr. John Chalmers Neill Jr. has 5 publications on record
Dmand AI links 5 papers to Dr. Neill in 2017. Dr. Neill has published most often in Am Surg. Dr. Neill's most frequent co-authors are Mustafa I. Ahmed, MD, Wael Adnan Aljaroudi, MD and Jonathan David Carroll, MD.
Dr. Neill's most frequent co-authors
- Mustafa I. Ahmed, MD1 shared paper
- Wael Adnan Aljaroudi, MD1 shared paper
- Jonathan David Carroll, MD1 shared paper
Recent publications by Dr. Neill
Am Surg
See who Dr. Neill researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Neill works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Chalmers Neill Jr. received $2,956 in industry payments from 2021 to 2025
CMS Open Payments shows 64 general payments to Dr. Neill from 24 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Endologix, Inc. paid the most, $602.
General payments to Dr. Neill by program year, 2021 to 2025
Companies that paid Dr. Neill the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Chalmers Neill Jr.'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)Doctors and Clinicians Utilization Data (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) |
| 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 Chalmers Neill Jr.
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 Chalmers Neill Jr.'s NPI number?
Dr. John Chalmers Neill Jr.'s NPI number is 1114330180. It was assigned on June 8, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. John Chalmers Neill Jr.?
Dr. John Chalmers Neill Jr. is a cardiothoracic surgeon in Tupelo, Mississippi. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. John Chalmers Neill Jr. practice?
Dr. Neill practices at 830 S Gloster Street, Tupelo, MS 38801. Dr. Neill's primary practice is North Mississippi Medical Center-Tupelo in Tupelo, Mississippi, part of North Mississippi Health Services. Dmand AI also links Dr. Neill to 1 hospice.
What is Dr. John Chalmers Neill Jr.'s office phone number?
The practice phone on file for Dr. Neill is (662) 377-6608.
What is Dr. John Chalmers Neill Jr.'s medical license number?
Dr. Neill holds Mississippi license 29081.
Which hospitals is Dr. John Chalmers Neill Jr. affiliated with?
Dr. Neill practices at North Mississippi Medical Center-Tupelo in Tupelo, Mississippi.
What medical group is Dr. John Chalmers Neill Jr. part of?
Dr. Neill is linked to North Mississippi Medical Center.
Does Dr. John Chalmers Neill Jr. accept Medicare?
Yes. CMS data shows Dr. Neill billed Medicare for 963 services in 2024, and Dr. Neill accepts Medicare assignment.
How many Medicare patients does Dr. John Chalmers Neill Jr. see?
CMS counts 676 Medicare patients who saw Dr. Neill in 2024, with an average age of 75.
What services does Dr. John Chalmers Neill Jr. bill to Medicare?
In 2024, Dr. Neill's most billed Medicare services were blood vessel study (93880), blood vessel study (93923) and blood vessel study (93925).
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What drugs does Dr. John Chalmers Neill Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Neill's most prescribed drugs by claims were Cilostazol and Clopidogrel.
Has Dr. John Chalmers Neill Jr. received payments from drug or device companies?
CMS Open Payments shows $2,956 in general payments to Dr. Neill from 24 companies from 2021 to 2025. The largest total came from Endologix, Inc.
How long has Dr. John Chalmers Neill Jr. been practicing?
Dr. Neill graduated from medical school in 2014, 12 years ago.
Does Dr. John Chalmers Neill Jr. do research?
Dmand AI links 5 publications to Dr. Neill.
Who does Dr. John Chalmers Neill Jr. publish with?
Dr. Neill's most frequent co-authors are Mustafa I. Ahmed, MD (1 shared paper), Wael Adnan Aljaroudi, MD (1 shared paper) and Jonathan David Carroll, MD (1 shared paper).
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