Dr. Thomas A. Ala, MD
- Medicare services, 2022
- 150
- Part D claims, 2024
- 38
- Publications
- 5
- Clinical trials
- 5
- Industry payments
- $3,607
- Practice address
- 751 N Rutledge St Ste 3100 Suite 3100, Springfield, IL 62702
- Practice phone
- Call (217) 545-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Siu Healthcare
Multi-specialty group site · Springfield, Illinois
Find Dr. Ala's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas A. Ala is a neurologist in Springfield, Illinois
Dr. Ala practices at Siu Healthcare in Springfield, Illinois.
Dr. Ala's NPI, 1871584649, was assigned on November 2, 2005. Dr. Ala graduated from University of Minnesota Medical School in 1981.
- NPI
- 1871584649NPI Registry (opens in a new tab)
- NPI enumeration date
- November 2, 2005
- NPI status
- Active
- Practice phone
- (217) 545-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas A. Ala practices at 2 locations in Springfield, Illinois
Dr. Ala's primary practice is Siu Healthcare, at 751 N Rutledge St Ste 3100 Suite 3100, Springfield, IL 62702. The practice phone is (217) 545-8000. The NPI Registry lists Dr. Ala's practice address as 701 N 1st St, Springfield, IL 62702.
- Siu HealthcarePrimary751 N Rutledge St Ste 3100 Suite 3100, Springfield, IL 62702Phone(217) 545-8000
- NPI Registry address701 N 1st St, Springfield, IL 62702 · Sangamon CountyPhone(217) 545-8417
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Thomas A. Ala is affiliated with 1 site of care and 1 medical group
Dr. Ala's primary practice is Siu Healthcare in Springfield, Illinois. The medical group on file is SIU Medicine.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Thomas A. Ala's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ala practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Siu Healthcare | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas A. Ala is one of 822 neurologists in Illinois
Neurology is Dr. Ala's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Ala has a license on file in Illinois.
Specialties and state licenses
- Neurology, Illinois
Neurologists near Dr. Ala
Counts of neurologists 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 A. Ala billed Medicare for 150 services in 2022
CMS data shows 150 Medicare services from Dr. Ala across 6 procedure codes in 2022. Medicare paid $12,218 for them.
Dr. Ala's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 3292022: 15054%
Where Dr. Ala's Medicare services took place, 2022
- In an office3221%
- In a facility11879%
Dr. Ala compared with the Illinois median for neurologists, 2022
- Dr. Ala
- Illinois median
- Medicare services
- 150vs 40163% below
- Part D claims
- 33vs 31890% below
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ala's most billed Medicare procedure codes, 2022
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. Ala?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ala and other neurologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas A. Ala's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Ala's median patient age at 71, with 63% women.
Dr. Ala's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women63%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Thomas A. Ala wrote 38 Medicare Part D claims in 2024
In 2024, Dr. Ala wrote 38 Medicare Part D claims. 97% of them were for generic drugs. CMS names the drug for 33 of them, across 1 drug with 11 or more claims each, at $362 in total drug cost. In 2023, CMS named 136 claims across 4 drugs.
Dr. Ala's Part D claims by kind of drug, 2024
- Generic37 claims97%
- Brand-name and other1 claims3%
Dr. Ala'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: 1362024: 3376%
Drugs named by CMS: 1 in 2024, 4 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
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Dr. Thomas A. Ala has 5 publications on record
Dmand AI links 5 papers to Dr. Ala, published from 2015 to 2022. 2022 was the busiest year, with 2. Dr. Ala has published most often in Gerontol Geriatr Med. Dr. Ala's most frequent co-authors are Pavan Bhargava, MD, Sudeepta Dandapat, MD and Marshall Thomas Holland, MD, MS.
Dr. Ala's papers by year, 2015 to 2022
Dr. Ala's most frequent co-authors
- Pavan Bhargava, MD1 shared paper
- Sudeepta Dandapat, MD1 shared paper
- Marshall Thomas Holland, MD, MS1 shared paper
Recent publications by Dr. Ala
Mayo Clin Proc
See who Dr. Ala researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ala works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas A. Ala has worked on 5 clinical trials
Dmand AI links Dr. Ala to 5 clinical trials. 2 are still active or recruiting. Conditions studied include Alzheimer Disease, Tauopathies and Pick Disease of the Brain. Eli Lilly and Company sponsors the most, 2. Open Payments lists research payments to Dr. Ala that name 2 trials.
Clinical trials with Dr. Ala by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Ala's trials
- Alzheimer Disease
- Tauopathies
- Pick Disease of the Brain
- Plaque, Amyloid
- Cognitive Dysfunction
Investigators on the most trials with Dr. Ala
Recent clinical trials with Dr. Ala
A Randomized, Placebo-Controlled, Double-Blind Study of ATH-1017 Treatment in Subjects With Mild to Moderate Alzheimer's Disease (opens in a new tab)
SUVN-502 With Donepezil and Memantine for the Treatment of Moderate Alzheimer's Disease- Phase 2a Study (opens in a new tab)
A Study of Donanemab (LY3002813) in Participants With Early Alzheimer's Disease (TRAILBLAZER-ALZ 2) (opens in a new tab)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Thomas A. Ala received $3,607 in industry payments from 2016 to 2024
CMS Open Payments shows 5 general payments to Dr. Ala from 5 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 94% of the total. Biogen, Inc. paid the most, $3,390. It also lists 6 research payments totaling $4,284 from 2020 to 2023, naming 2 clinical trials.
General payments to Dr. Ala by program year, 2016 to 2024
General payments to Dr. Ala by kind, 2016 to 2024
- Consulting fees$3,39094%
- Food and beverage$2176%
Companies that paid Dr. Ala the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas A. Ala graduated from University of Minnesota Medical School
Dr. Ala graduated from University of Minnesota Medical School in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas A. Ala'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Thomas A. Ala
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 A. Ala's NPI number?
Dr. Thomas A. Ala's NPI number is 1871584649. It was assigned on November 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas A. Ala?
Dr. Thomas A. Ala is a neurologist in Springfield, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Thomas A. Ala practice?
Dr. Ala practices at 751 N Rutledge St Ste 3100 Suite 3100, Springfield, IL 62702. Dr. Ala also practices at 701 N 1st St, Springfield, IL 62702. Dr. Ala's primary practice is Siu Healthcare in Springfield, Illinois.
What is Dr. Thomas A. Ala's office phone number?
The practice phone on file for Dr. Ala is (217) 545-8000.
What medical group is Dr. Thomas A. Ala part of?
Dr. Ala is linked to SIU Medicine.
Does Dr. Thomas A. Ala accept Medicare?
Yes. CMS data shows Dr. Ala billed Medicare for 150 services in 2022.
What services does Dr. Thomas A. Ala bill to Medicare?
In 2022, Dr. Ala's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Thomas A. Ala go to medical school?
Dr. Ala graduated from University of Minnesota Medical School in 1981.
What drugs does Dr. Thomas A. Ala prescribe most?
In 2024 Medicare Part D data, Dr. Ala's most prescribed drugs by claims were Haloperidol.
Has Dr. Thomas A. Ala received payments from drug or device companies?
CMS Open Payments shows $3,607 in general payments to Dr. Ala from 5 companies from 2016 to 2024. The largest total came from Biogen, Inc.
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How long has Dr. Thomas A. Ala been practicing?
Dr. Ala graduated from medical school in 1981, 45 years ago.
Does Dr. Thomas A. Ala do research?
Dmand AI links 5 publications to Dr. Ala, published from 2015 to 2022. Dr. Ala has worked on 5 clinical trials.
Who does Dr. Thomas A. Ala publish with?
Dr. Ala's most frequent co-authors are Pavan Bhargava, MD (1 shared paper), Sudeepta Dandapat, MD (1 shared paper) and Marshall Thomas Holland, MD, MS (1 shared paper).
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