Dr. James T. Kalyvas, MD
- Medicare services, 2024
- 187
- Medicare patients, 2024
- 97
- Part D claims, 2017
- 13
- Hospital affiliations
- 2
- Industry payments
- $16,467
- Practice address
- 1516 Jefferson Hwy, New Orleans, LA 70121
- Practice phone
- Call (504) 842-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kalyvas' professional email, personal email and mobile number
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Dr. James T. Kalyvas is a neurosurgeon in New Orleans, Louisiana
Dr. Kalyvas practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.
Dr. Kalyvas' NPI, 1811151772, was assigned on July 10, 2008. Dr. Kalyvas graduated from Columbia University College of Physicians and Surgeons in 2008. Dr. Kalyvas holds Louisiana license MD.208098.
- NPI
- 1811151772NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214243203
- NPI enumeration date
- July 10, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (504) 842-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James T. Kalyvas practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana
Dr. Kalyvas' primary practice is Ochsner Medical Center - New Orleans, at 1516 Jefferson Hwy, New Orleans, LA 70121 in Jefferson Parish. The practice phone is (504) 842-3000.
- Ochsner Medical Center - New Orleans1516 Jefferson Hwy, New Orleans, LA 70121 · Jefferson ParishPhone(504) 842-3000
Source: Dmand AI Affiliation Data
Dr. James T. Kalyvas is affiliated with 2 sites of care and 2 medical groups
Dr. Kalyvas' primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dr. Kalyvas is also affiliated with Ochsner Medical Center - Hancock. The medical group on file is Ochsner Health. Dmand AI also links Dr. Kalyvas to 1 more medical group, 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 T. Kalyvas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kalyvas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ochsner Medical Center - New Orleans | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James T. Kalyvas is one of 122 neurosurgeons in Louisiana
Neurological surgery is Dr. Kalyvas' primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Kalyvas' licenses on file in 2 states: Louisiana and Arizona.
Specialties and state licenses
- Neurological surgery, LouisianaPrimary
- Arizona license
Neurosurgeons near Dr. Kalyvas
Counts of neurosurgeons 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 T. Kalyvas billed Medicare for 187 services in 2024
CMS data shows 187 Medicare services from Dr. Kalyvas across 5 procedure codes in 2024, for 97 Medicare patients. Medicare paid $37,000 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kalyvas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1572024: 12123%
- Office and hospital visits
- 2023: 832024: 6620%
Dr. Kalyvas compared with the Louisiana median for neurosurgeons, 2024
- Dr. Kalyvas
- Louisiana median
- Medicare services
- 187vs 1738% above
- Medicare patients
- 97vs 11818% below
- Part D claims
- 13vs 4772% below
Medians across 116 neurosurgeons in Louisiana with Dmand AI profiles that report each measure.
Dr. Kalyvas' 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. Kalyvas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kalyvas and other neurosurgeons in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James T. Kalyvas treated 97 Medicare patients in 2024, average age 72
CMS counts 97 Medicare patients who saw Dr. Kalyvas in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have arthritis, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.72, 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. Kalyvas' median patient age at 69, with 54% women.
Dr. Kalyvas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kalyvas' Medicare patients by sex, 2024
- Women5153%
- Men4647%
Chronic conditions among Dr. Kalyvas' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety36%
- Mood disorders34%
- Depression33%
- Diabetes33%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kalyvas' 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
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James T. Kalyvas wrote 13 Medicare Part D claims in 2017
In 2017, Dr. Kalyvas wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $133 in total drug cost. In 2016, CMS named 38 claims across 2 drugs.
Dr. Kalyvas' most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 382017: 1366%
Drugs named by CMS: 1 in 2017, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. James T. Kalyvas ranks in the 79th percentile for spinal fusion in Medicare
Dr. Kalyvas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kalyvas as offering telehealth. CMS counts 122 procedures of spinal fusion by Dr. Kalyvas, more than 79% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Kalyvas ranks in Medicare procedure volume
- Spinal fusion
- 79th percentile122 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 40th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James T. Kalyvas received $16,467 in industry payments from 2016 to 2025
CMS Open Payments shows 100 general payments to Dr. Kalyvas from 17 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 47% of the total. Spine Wave, Inc. paid the most, $8,428.
General payments to Dr. Kalyvas by program year, 2016 to 2025
General payments to Dr. Kalyvas by kind, 2016 to 2025
- Consulting fees$7,70047%
- Travel and lodging$5,05831%
- Food and beverage$3,70923%
Companies that paid Dr. Kalyvas 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 T. Kalyvas graduated from Columbia University College of Physicians and Surgeons
Dr. Kalyvas graduated from Columbia University College of Physicians and Surgeons in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James T. Kalyvas'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) |
| 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 T. Kalyvas
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 T. Kalyvas' NPI number?
Dr. James T. Kalyvas' NPI number is 1811151772. It was assigned on July 10, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. James T. Kalyvas?
Dr. James T. Kalyvas is a neurosurgeon in New Orleans, Louisiana. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. James T. Kalyvas practice?
Dr. Kalyvas practices at 1516 Jefferson Hwy, New Orleans, LA 70121. Dr. Kalyvas' primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dmand AI also links Dr. Kalyvas to 1 medical group.
What is Dr. James T. Kalyvas' office phone number?
The practice phone on file for Dr. Kalyvas is (504) 842-3000.
What is Dr. James T. Kalyvas' medical license number?
Dr. Kalyvas holds Louisiana license MD.208098, one of the licenses on file in 2 states.
Which states has Dr. James T. Kalyvas been licensed in?
Dmand AI has state licenses on file for Dr. Kalyvas in Louisiana and Arizona.
Which hospitals is Dr. James T. Kalyvas affiliated with?
Dr. Kalyvas practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana. Dr. Kalyvas is also affiliated with Ochsner Medical Center - Hancock.
What medical group is Dr. James T. Kalyvas part of?
Dr. Kalyvas is linked to Ochsner Health. Dmand AI links Dr. Kalyvas to 1 more medical group.
Does Dr. James T. Kalyvas accept Medicare?
Yes. CMS data shows Dr. Kalyvas billed Medicare for 187 services in 2024, and Dr. Kalyvas accepts Medicare assignment.
Does Dr. James T. Kalyvas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kalyvas as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. James T. Kalyvas see?
CMS counts 97 Medicare patients who saw Dr. Kalyvas in 2024, with an average age of 72.
What services does Dr. James T. Kalyvas bill to Medicare?
In 2024, Dr. Kalyvas' most billed Medicare services were surgery: bones and joints (22614), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. James T. Kalyvas go to medical school?
Dr. Kalyvas graduated from Columbia University College of Physicians and Surgeons in 2008.
What drugs does Dr. James T. Kalyvas prescribe most?
In 2017 Medicare Part D data, Dr. Kalyvas' most prescribed drugs by claims were Gabapentin.
Has Dr. James T. Kalyvas received payments from drug or device companies?
CMS Open Payments shows $16,467 in general payments to Dr. Kalyvas from 17 companies from 2016 to 2025. The largest total came from Spine Wave, Inc.
How long has Dr. James T. Kalyvas been practicing?
Dr. Kalyvas graduated from medical school in 2008, 18 years ago.
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