Dr. Thomas Julian Gianaris, MD
- Medicare services, 2024
- 433
- Medicare patients, 2024
- 205
- Part D claims, 2024
- 84
- Publications
- 13
- MIPS score, 2024
- 76
- Practice address
- 1000 South Beckham Ave, Tyler, TX 75701
- Practice phone
- Call (903) 597-0351
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gianaris' professional email, personal email and mobile number
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Dr. Thomas Julian Gianaris is a neurosurgeon in Tyler, Texas
Dr. Gianaris practices at UT Health Tyler in Tyler, Texas, part of Ardent Health.
Dr. Gianaris' NPI, 1629417829, was assigned on June 20, 2013. Dr. Gianaris graduated from Indiana University School Of Medicine in 2013. Dr. Gianaris holds Texas license S7218.
- NPI
- 1629417829NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658670732
- NPI enumeration date
- June 20, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (903) 597-0351
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Julian Gianaris practices at UT Health Tyler in Tyler, Texas
Dr. Gianaris' primary practice is UT Health Tyler, at 1000 South Beckham Ave, Tyler, TX 75701 in Smith County. The practice phone is (903) 597-0351.
- UT Health Tyler1000 South Beckham Ave, Tyler, TX 75701 · Smith CountyPhone(903) 597-0351
Source: Dmand AI Affiliation Data
Dr. Thomas Julian Gianaris is affiliated with 7 sites of care and 1 medical group
Dr. Gianaris' primary practice is UT Health Tyler in Tyler, Texas, part of Ardent Health. Dr. Gianaris is also affiliated with UT Health North Campus Tyler. The medical group on file is Tyler Neurosurgical Associates. Dmand AI also links Dr. Gianaris to 4 more hospitals and 1 group practice or clinic, 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. Thomas Julian Gianaris' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gianaris practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UT Health Tyler | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Thomas Julian Gianaris is one of 603 neurosurgeons in Texas
Neurological surgery is Dr. Gianaris' primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Gianaris is board certified in neurological surgery by the American Board of Neurological Surgery. Dr. Gianaris is licensed in Texas.
Specialties and state licenses
- Neurological surgery, TexasPrimary
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, muscle pain, fibromyalgia, and limb pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Gianaris treats.
Neurosurgeons near Dr. Gianaris
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. Thomas Julian Gianaris billed Medicare for 433 services in 2024
CMS data shows 433 Medicare services from Dr. Gianaris across 11 procedure codes in 2024, for 205 Medicare patients. Medicare paid $64,990 for them.
Dr. Gianaris' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2732024: 32017%
- Surgery
- 2023: 332024: 113242%
Where Dr. Gianaris' Medicare services took place, 2024
- In an office21750%
- In a facility21650%
Dr. Gianaris compared with the Texas median for neurosurgeons, 2024
- Dr. Gianaris
- Texas median
- Medicare services
- 433vs 2122.0 times
- Medicare patients
- 205vs 13849% above
- Part D claims
- 50vs 5814% below
Medians across 518 neurosurgeons in Texas with Dmand AI profiles that report each measure.
Dr. Gianaris' 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. Gianaris?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gianaris and other neurosurgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Julian Gianaris treated 205 Medicare patients in 2024, average age 72
CMS counts 205 Medicare patients who saw Dr. Gianaris in 2024. The largest group is 65 to 74, with 110 patients. 75% of them have arthritis, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.51, 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. Gianaris' median patient age at 72, with 48% women.
Dr. Gianaris' Medicare patients by age, 2024
Dr. Gianaris' Medicare patients by sex, 2024
- Women10551%
- Men10049%
Chronic conditions among Dr. Gianaris' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders41%
- Diabetes40%
- Depression39%
- Anxiety34%
- Ischemic heart disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gianaris' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Julian Gianaris wrote 84 Medicare Part D claims in 2024
In 2024, Dr. Gianaris wrote 84 Medicare Part D claims for 55 patients. 100% of them were for generic drugs. CMS names the drug for 50 of them, across 2 drugs with 11 or more claims each, at $574 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Gianaris' 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. Gianaris' Part D claims, 2024
- Opioids36%30 of 84 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: 262024: 5092%
Drugs named by CMS: 2 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. Thomas Julian Gianaris scored 76 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Gianaris for performance year 2024, reported as part of a group. Dr. Gianaris accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gianaris as offering telehealth. CMS counts 119 procedures of spinal fusion by Dr. Gianaris, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gianaris' MIPS scores, performance year 2024
- 76of 100Final score
- 67.9of 100Quality
- 40of 100Improvement Activities
- 63of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Gianaris ranks in Medicare procedure volume
- Spinal fusion
- 78th percentile119 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 75th percentile47 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. Thomas Julian Gianaris has 13 publications on record
Dmand AI links 13 papers to Dr. Gianaris, published from 2013 to 2021. 2017 was the busiest year, with 3. The most frequent topics are Hydrocephalus. Dr. Gianaris has published most often in J Neurosurg Pediatr. Dr. Gianaris' most frequent co-authors are Daniel H. Fulkerson, MD, Nicolas Villelli, MD and Nicholas M. Barbaro, MD.
Dr. Gianaris' papers by year, 2013 to 2021
Topics Dr. Gianaris writes about most
- Hydrocephalus
Dr. Gianaris' most frequent co-authors
- Daniel H. Fulkerson, MD4 shared papers
- Nicolas Villelli, MD2 shared papers
- Nicholas M. Barbaro, MD1 shared paper
Recent publications by Dr. Gianaris
J Neurosurg Pediatr
See who Dr. Gianaris researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gianaris works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Julian Gianaris received $820 in industry payments from 2017 to 2024
CMS Open Payments shows 16 general payments to Dr. Gianaris from 5 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $475.
General payments to Dr. Gianaris by program year, 2017 to 2024
Companies that paid Dr. Gianaris the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Julian Gianaris graduated from Indiana University School Of Medicine
Dr. Gianaris graduated from Indiana University School Of Medicine in 2013.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Thomas Julian Gianaris accepts plans from 20 insurance carriers
Dr. Gianaris is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- Elevance
- HCSC
- Humana
- Alliant Health Plans
- +12 more carriersWith a free account
Plan types Dr. Gianaris accepts, by number of carriers
- PPO13
- HMO12
- Medicare10
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas Julian Gianaris'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)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 |
| 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. Thomas Julian Gianaris
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. Thomas Julian Gianaris' NPI number?
Dr. Thomas Julian Gianaris' NPI number is 1629417829. It was assigned on June 20, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Julian Gianaris?
Dr. Thomas Julian Gianaris is a neurosurgeon in Tyler, Texas. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Thomas Julian Gianaris practice?
Dr. Gianaris practices at 1000 South Beckham Ave, Tyler, TX 75701. Dr. Gianaris' primary practice is UT Health Tyler in Tyler, Texas, part of Ardent Health. Dmand AI also links Dr. Gianaris to 4 hospitals and 1 group practice or clinic.
What is Dr. Thomas Julian Gianaris' office phone number?
The practice phone on file for Dr. Gianaris is (903) 597-0351.
What is Dr. Thomas Julian Gianaris' medical license number?
Dr. Gianaris holds Texas license S7218.
Which hospitals is Dr. Thomas Julian Gianaris affiliated with?
Dr. Gianaris practices at UT Health Tyler in Tyler, Texas. Dr. Gianaris is also affiliated with UT Health North Campus Tyler. Dmand AI links Dr. Gianaris to 4 more hospitals.
What medical group is Dr. Thomas Julian Gianaris part of?
Dr. Gianaris is linked to Tyler Neurosurgical Associates.
Does Dr. Thomas Julian Gianaris accept Medicare?
Yes. CMS data shows Dr. Gianaris billed Medicare for 433 services in 2024, and Dr. Gianaris accepts Medicare assignment.
Does Dr. Thomas Julian Gianaris offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gianaris as offering telehealth services.
What is Dr. Thomas Julian Gianaris' MIPS score?
Dr. Gianaris' MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Thomas Julian Gianaris see?
CMS counts 205 Medicare patients who saw Dr. Gianaris in 2024, with an average age of 72.
Is Dr. Thomas Julian Gianaris board certified?
Yes. Dr. Gianaris is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Thomas Julian Gianaris bill to Medicare?
In 2024, Dr. Gianaris' most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99223) and office visit, new patient (99203).
Where did Dr. Thomas Julian Gianaris go to medical school?
Dr. Gianaris graduated from Indiana University School Of Medicine in 2013.
What drugs does Dr. Thomas Julian Gianaris prescribe most?
In 2024 Medicare Part D data, Dr. Gianaris' most prescribed drugs by claims were Methylprednisolone and Hydrocodone-Acetaminophen.
Has Dr. Thomas Julian Gianaris received payments from drug or device companies?
CMS Open Payments shows $820 in general payments to Dr. Gianaris from 5 companies from 2017 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. Thomas Julian Gianaris been practicing?
Dr. Gianaris graduated from medical school in 2013, 13 years ago.
Does Dr. Thomas Julian Gianaris do research?
Dmand AI links 13 publications to Dr. Gianaris, published from 2013 to 2021.
Who does Dr. Thomas Julian Gianaris publish with?
Dr. Gianaris' most frequent co-authors are Daniel H. Fulkerson, MD (4 shared papers), Nicolas Villelli, MD (2 shared papers) and Nicholas M. Barbaro, MD (1 shared paper).
What insurance does Dr. Thomas Julian Gianaris accept?
Dr. Gianaris is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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