J Card Surg
AortaCardiovascular Surgical ProceduresMarfan Syndrome
Dr. John T. Calhoun, MD
NPI1275943037PAC ID3577894518
- Medicare services, 2024
- 197
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 82
- Publications
- 2
- MIPS score, 2024
- 89
- Practice address
- 971 Lakeland Dr, Jackson, MS 39216
- Practice phone
- Call (601) 200-2780
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cardiovascular Surgery Associates
Jackson, Mississippi
Find Dr. Calhoun's professional email, personal email and mobile number
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Dr. John T. Calhoun is a cardiothoracic surgeon in Jackson, Mississippi
Dr. Calhoun practices at Cardiovascular Surgery Associates in Jackson, Mississippi.
Dr. Calhoun's NPI, 1275943037, was assigned on May 2, 2014. Dr. Calhoun graduated from Univ of Central Florida, College of Medicine in 2014. Dr. Calhoun holds Mississippi license 26975.
NPI and contact details
- NPI
- 1275943037NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577894518
- NPI enumeration date
- May 2, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (601) 200-2780
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John T. Calhoun practices at Cardiovascular Surgery Associates in Jackson, Mississippi
Dr. Calhoun's primary practice is Cardiovascular Surgery Associates, at 971 Lakeland Dr, Jackson, MS 39216 in Hinds County. The practice phone is (601) 200-2780.
- Cardiovascular Surgery Associates971 Lakeland Dr, Jackson, MS 39216 · Hinds CountyPhone(601) 200-2780
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John T. Calhoun is affiliated with 4 sites of care and 1 medical group
Dr. Calhoun's primary practice is Cardiovascular Surgery Associates in Jackson, Mississippi. Dr. Calhoun is also affiliated with FMOL Health | St. Dominic. The medical group on file is St. Dominic Medical Associates. Dmand AI also links Dr. Calhoun to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Cardiovascular Surgery AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John T. Calhoun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Calhoun practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cardiovascular Surgery Associates | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John T. Calhoun is one of 43 cardiothoracic surgeons in Mississippi
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Calhoun's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dmand AI has Dr. Calhoun's licenses on file in 2 states: Mississippi and Connecticut.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), MississippiPrimary
- Student in an organized health care education/training program, Connecticut
Cardiothoracic surgeons near Dr. Calhoun
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 T. Calhoun billed Medicare for 197 services in 2024
CMS data shows 197 Medicare services from Dr. Calhoun across 7 procedure codes in 2024, for 120 Medicare patients. Medicare paid $67,972 for them.
Medicare services, 2024197
Medicare patients120
Paid by Medicare$67,972
Procedure codes7
Dr. Calhoun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 982024: 1024%
- Office and hospital visits
- 2023: 1112024: 8028%
- Other services
- 2023: 02024: 15
Where Dr. Calhoun's Medicare services took place, 2024
- In an office9548%
- In a facility10252%
Dr. Calhoun compared with the Mississippi median for cardiothoracic surgeons, 2024
- Dr. Calhoun
- Mississippi median
- Medicare services
- 197vs 14635% above
- Medicare patients
- 120vs 120Close to median
- Part D claims
- 20vs 3441% below
Medians across 39 cardiothoracic surgeons in Mississippi with Dmand AI profiles that report each measure.
Dr. Calhoun'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. Calhoun?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Calhoun 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 T. Calhoun treated 120 Medicare patients in 2024, average age 73
CMS counts 120 Medicare patients who saw Dr. Calhoun in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Calhoun's median patient age at 69, with 28% women.
Medicare patients, 2024120
Average age73
Average risk score1.27
Dr. Calhoun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Calhoun's Medicare patients by sex, 2024
- Women4336%
- Men7764%
Chronic conditions among Dr. Calhoun's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis48%
- Atrial fibrillation43%
- Diabetes37%
- Heart failure36%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Calhoun'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
- Women28%
- Men72%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John T. Calhoun wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Calhoun wrote 82 Medicare Part D claims for 41 patients. 100% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $150 in total drug cost. In 2023, CMS named 38 claims across 2 drugs.
Part D claims, 202482
Drugs named by CMS1
Total drug cost$150
Part D patients41
Dr. Calhoun'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: 382024: 2047%
Drugs named by CMS: 1 in 2024, 2 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 T. Calhoun scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Calhoun for performance year 2024, reported through an alternative payment model (APM). Dr. Calhoun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 33 procedures of coronary artery bypass graft (cabg) by Dr. Calhoun, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Calhoun's MIPS scores, performance year 2024
- 89of 100Final score
- 73.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Calhoun ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 86th percentile33 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John T. Calhoun has 2 publications on record
Dmand AI links 2 papers to Dr. Calhoun in 2020. 2020 was the busiest year, with 2. The most frequent topics are Aorta, Marfan Syndrome and Pregnancy Complications, Cardiovascular. Dr. Calhoun has published most often in J Card Surg. Dr. Calhoun's most frequent co-authors are Hannah Copeland, MD, Joel S. Corvera, MD and Lawrence Lee Creswell, MD.
Papers2
Topics Dr. Calhoun writes about most
- Aorta
- Marfan Syndrome
- Pregnancy Complications, Cardiovascular
Dr. Calhoun's most frequent co-authors
- Hannah Copeland, MD2 shared papers
- Joel S. Corvera, MD2 shared papers
- Lawrence Lee Creswell, MD2 shared papers
Recent publications by Dr. Calhoun
AortaAortic AneurysmAortic Dissection
See who Dr. Calhoun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Calhoun 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 T. Calhoun received $12,472 in industry payments from 2021 to 2025
CMS Open Payments shows 258 general payments to Dr. Calhoun from 26 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 86% of the total. Abiomed paid the most, $5,933.
General payments to Dr. Calhoun by program year, 2021 to 2025
General payments to Dr. Calhoun by kind, 2021 to 2025
$12.5Kin total
- Food and beverage$10,74386%
- Travel and lodging$1,72914%
Companies that paid Dr. Calhoun the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John T. Calhoun graduated from Univ of Central Florida, College of Medicine
Dr. Calhoun graduated from Univ of Central Florida, College of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John T. Calhoun'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. John T. Calhoun
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 T. Calhoun's NPI number?
Dr. John T. Calhoun's NPI number is 1275943037. It was assigned on May 2, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. John T. Calhoun?
Dr. John T. Calhoun is a cardiothoracic surgeon in Jackson, Mississippi. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. John T. Calhoun practice?
Dr. Calhoun practices at 971 Lakeland Dr, Jackson, MS 39216. Dr. Calhoun's primary practice is Cardiovascular Surgery Associates in Jackson, Mississippi. Dmand AI also links Dr. Calhoun to 1 group practice or clinic and 1 home health agency.
What is Dr. John T. Calhoun's office phone number?
The practice phone on file for Dr. Calhoun is (601) 200-2780.
What is Dr. John T. Calhoun's medical license number?
Dr. Calhoun holds Mississippi license 26975, one of the licenses on file in 2 states.
Which states has Dr. John T. Calhoun been licensed in?
Dmand AI has state licenses on file for Dr. Calhoun in Mississippi and Connecticut.
Which hospitals is Dr. John T. Calhoun affiliated with?
Dr. Calhoun is affiliated with FMOL Health | St. Dominic.
What medical group is Dr. John T. Calhoun part of?
Dr. Calhoun is linked to St. Dominic Medical Associates.
Does Dr. John T. Calhoun accept Medicare?
Yes. CMS data shows Dr. Calhoun billed Medicare for 197 services in 2024, and Dr. Calhoun accepts Medicare assignment.
What is Dr. John T. Calhoun's MIPS score?
Dr. Calhoun's MIPS final score for performance year 2024 is 89 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. John T. Calhoun see?
CMS counts 120 Medicare patients who saw Dr. Calhoun in 2024, with an average age of 73.
What services does Dr. John T. Calhoun bill to Medicare?
In 2024, Dr. Calhoun's most billed Medicare services were surgery: heart and blood vessels (33533), surgery: heart and blood vessels (33508) and office visit, established patient (99214).
Where did Dr. John T. Calhoun go to medical school?
Dr. Calhoun graduated from Univ of Central Florida, College of Medicine in 2014.
What drugs does Dr. John T. Calhoun prescribe most?
In 2024 Medicare Part D data, Dr. Calhoun's most prescribed drugs by claims were Mupirocin.
Has Dr. John T. Calhoun received payments from drug or device companies?
CMS Open Payments shows $12,472 in general payments to Dr. Calhoun from 26 companies from 2021 to 2025. The largest total came from Abiomed.
How long has Dr. John T. Calhoun been practicing?
Dr. Calhoun graduated from medical school in 2014, 12 years ago.
Does Dr. John T. Calhoun do research?
Dmand AI links 2 publications to Dr. Calhoun.
Who does Dr. John T. Calhoun publish with?
Dr. Calhoun's most frequent co-authors are Hannah Copeland, MD (2 shared papers), Joel S. Corvera, MD (2 shared papers) and Lawrence Lee Creswell, MD (2 shared papers).
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