Neurobiol Dis
Deep Brain StimulationParkinson DiseaseSubthalamic Nucleus
Dr. Thomas C. Witt, MD
NPI1801899422PAC ID5092841833
- Medicare services, 2024
- 109
- Medicare patients, 2024
- 101
- Part D claims, 2020
- 11
- Publications
- 13
- Hospital affiliations
- 1
- Practice address
- 1701 N Senate Blvd, Indianapolis, IN 46202
- Practice phone
- Call (317) 962-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Thomas C. Witt is a neurosurgeon in Indianapolis, Indiana
Dr. Witt practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.
Dr. Witt's NPI, 1801899422, was assigned on May 27, 2005. Dr. Witt graduated from University of California, Davis School of Medicine in 1988. Dr. Witt holds Indiana license 01044119.
NPI and contact details
- NPI
- 1801899422NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092841833
- NPI enumeration date
- May 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 962-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas C. Witt practices at IU Health Methodist Hospital in Indianapolis, Indiana
Dr. Witt's primary practice is IU Health Methodist Hospital, at 1701 N Senate Blvd, Indianapolis, IN 46202 in Marion County. The practice phone is (317) 962-2000.
- IU Health Methodist Hospital1701 N Senate Blvd, Indianapolis, IN 46202 · Marion CountyPhone(317) 962-2000
Source: Dmand AI Affiliation Data
Dr. Thomas C. Witt is affiliated with 5 sites of care and 3 medical groups
Dr. Witt's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Witt to 3 more group practices and clinics, 2 medical groups and 1 behavioral health center, each named with a free account.
IU Health Medical Group3 group practices and clinicsNames with a free account2 medical groupsNames with a free account1 behavioral health centerName with a free account
See all 8 affiliations for Dr. WittSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas C. Witt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Witt practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Health Methodist Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas C. Witt is one of 121 neurosurgeons in Indiana
Neurological surgery is Dr. Witt's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Witt is licensed in Indiana.
Specialties and state licenses
- Neurological surgery, IndianaPrimary
Neurosurgeons near Dr. Witt
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
121neurosurgeons in Indiana56neurosurgeons in Indianapolis20neurosurgeons at IU Health Methodist Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas C. Witt billed Medicare for 109 services in 2024
CMS data shows 109 Medicare services from Dr. Witt across 6 procedure codes in 2024, for 101 Medicare patients. Medicare paid $44,417 for them.
Medicare services, 2024109
Medicare patients101
Paid by Medicare$44,417
Procedure codes6
Dr. Witt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 692024: 5619%
- Office and hospital visits
- 2023: 652024: 5318%
Where Dr. Witt's Medicare services took place, 2024
- In an office5349%
- In a facility5651%
Dr. Witt compared with the Indiana median for neurosurgeons, 2024
- Dr. Witt
- Indiana median
- Medicare services
- 109vs 20045% below
- Medicare patients
- 101vs 15635% below
- Part D claims
- 11vs 4374% below
Medians across 106 neurosurgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Witt'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. Witt and other neurosurgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas C. Witt treated 101 Medicare patients in 2024, average age 66
CMS counts 101 Medicare patients who saw Dr. Witt in 2024. The largest group is 65 to 74, with 41 patients. 61% of them have high cholesterol, and 59% have high blood pressure. 32% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Witt's median patient age at 64, with 49% women.
Medicare patients, 2024101
Average age66
Average risk score1.42
Also on Medicaid32%
Dr. Witt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Witt's Medicare patients by sex, 2024
- Women5150%
- Men5050%
Chronic conditions among Dr. Witt's Medicare patients, 2024
- High cholesterol61%
- High blood pressure59%
- Arthritis47%
- Anxiety44%
- Mood disorders41%
- Depression39%
- Parkinson's disease31%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Witt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas C. Witt wrote 11 Medicare Part D claims in 2020
In 2020, Dr. Witt wrote 11 Medicare Part D claims. They cover 1 drug, with $685 in total drug cost. In 2019, CMS named 41 claims across 3 drugs.
Part D claims, 202011
Drugs named by CMS1
Total drug cost$685
Dr. Witt's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 412020: 1173%
Drugs named by CMS: 1 in 2020, 3 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Thomas C. Witt takes part in Medicare
Dr. Witt 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. Thomas C. Witt has 13 publications on record
Dmand AI links 13 papers to Dr. Witt, published from 2012 to 2024. 2015 was the busiest year, with 4. The most frequent topics are Parkinson Disease, Deep Brain Stimulation and Subthalamic Nucleus. Dr. Witt has published most often in Clin Neurophysiol. Dr. Witt's most frequent co-authors are Sarah Elizabeth Zauber, MD, Robert M. Worth, MD and Nicholas M. Barbaro, MD.
Papers13
Years published2012 to 2024
Dr. Witt's papers by year, 2012 to 2024
Topics Dr. Witt writes about most
- Parkinson Disease
- Deep Brain Stimulation
- Subthalamic Nucleus
- Basal Ganglia
- Cortical Synchronization
- Globus Pallidus
- Magnetic Resonance Imaging
Dr. Witt's most frequent co-authors
- Sarah Elizabeth Zauber, MD5 shared papers
- Robert M. Worth, MD4 shared papers
- Nicholas M. Barbaro, MD3 shared papers
Recent publications by Dr. Witt
Parkinsonism Relat Disord
Deep Brain StimulationParkinson DiseaseSubthalamic Nucleus
Deep Brain StimulationElectrodes, ImplantedMagnetic Resonance Imaging
Anterior Temporal LobectomyDrug Resistant EpilepsyElectric Stimulation Therapy
Clin Neurophysiol
Cortical SynchronizationModels, NeurologicalParkinson Disease
See who Dr. Witt researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Witt 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 C. Witt received $6,530 in industry payments from 2016 to 2025
CMS Open Payments shows 48 general payments to Dr. Witt from 8 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 72% of the total. Insightec,inc paid the most, $2,422.
General payments to Dr. Witt by program year, 2016 to 2025
General payments to Dr. Witt by kind, 2016 to 2025
$6.5Kin total
- Travel and lodging$4,69072%
- Food and beverage$1,82028%
- Education$200%
Companies that paid Dr. Witt 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. Thomas C. Witt graduated from University of California, Davis School of Medicine
Dr. Witt graduated from University of California, Davis School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas C. Witt'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) |
| 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. Thomas C. Witt
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 C. Witt's NPI number?
Dr. Thomas C. Witt's NPI number is 1801899422. It was assigned on May 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas C. Witt?
Dr. Thomas C. Witt is a neurosurgeon in Indianapolis, Indiana. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Thomas C. Witt practice?
Dr. Witt practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. Witt's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. Witt to 3 group practices and clinics, 2 medical groups and 1 behavioral health center.
What is Dr. Thomas C. Witt's office phone number?
The practice phone on file for Dr. Witt is (317) 962-2000.
What is Dr. Thomas C. Witt's medical license number?
Dr. Witt holds Indiana license 01044119.
Which hospitals is Dr. Thomas C. Witt affiliated with?
Dr. Witt practices at IU Health Methodist Hospital in Indianapolis, Indiana.
What medical group is Dr. Thomas C. Witt part of?
Dr. Witt is linked to IU Health Medical Group. Dmand AI links Dr. Witt to 2 more medical groups.
Does Dr. Thomas C. Witt accept Medicare?
Yes. CMS data shows Dr. Witt billed Medicare for 109 services in 2024, and Dr. Witt accepts Medicare assignment.
How many Medicare patients does Dr. Thomas C. Witt see?
CMS counts 101 Medicare patients who saw Dr. Witt in 2024, with an average age of 66.
What services does Dr. Thomas C. Witt bill to Medicare?
In 2024, Dr. Witt's most billed Medicare services were office visit, new patient (99204), surgery: brain, spine and nerves (61886) and surgery: brain, spine and nerves (61885).
Show 6 more questionsShow fewer questions
Where did Dr. Thomas C. Witt go to medical school?
Dr. Witt graduated from University of California, Davis School of Medicine in 1988.
What drugs does Dr. Thomas C. Witt prescribe most?
In 2020 Medicare Part D data, Dr. Witt's most prescribed drugs by claims were Carbidopa-Levodopa.
Has Dr. Thomas C. Witt received payments from drug or device companies?
CMS Open Payments shows $6,530 in general payments to Dr. Witt from 8 companies from 2016 to 2025. The largest total came from Insightec,inc.
How long has Dr. Thomas C. Witt been practicing?
Dr. Witt graduated from medical school in 1988, 38 years ago.
Does Dr. Thomas C. Witt do research?
Dmand AI links 13 publications to Dr. Witt, published from 2012 to 2024.
Who does Dr. Thomas C. Witt publish with?
Dr. Witt's most frequent co-authors are Sarah Elizabeth Zauber, MD (5 shared papers), Robert M. Worth, MD (4 shared papers) and Nicholas M. Barbaro, MD (3 shared papers).
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