Dr. Catherine Jane Thomas, MD
- Medicare services, 2024
- 395
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 156
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 864-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Thomas' 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. Catherine Jane Thomas is an ophthalmologist in Chicago, Illinois
Dr. Thomas practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.
Dr. Thomas' NPI, 1013362888, was assigned on April 29, 2016. Dr. Thomas holds Illinois license 036152053.
- NPI
- 1013362888NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739474644
- NPI enumeration date
- April 29, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 864-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Jane Thomas practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois
Dr. Thomas' primary practice is John H. Stroger, Jr. Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.
- John H. Stroger, Jr. Hospital of Cook County1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 864-6000
Source: Dmand AI Affiliation Data
Dr. Catherine Jane Thomas is affiliated with 3 sites of care and 2 medical groups
Dr. Thomas' primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Thomas to 2 more group practices and clinics and 1 medical group, 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. Catherine Jane Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John H. Stroger, Jr. Hospital of Cook County | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Jane Thomas is one of 692 ophthalmologists in Illinois
Ophthalmology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Thomas is licensed in Illinois.
Specialties and state licenses
- Ophthalmology, IllinoisPrimary
Ophthalmologists near Dr. Thomas
Counts of ophthalmologists 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. Catherine Jane Thomas billed Medicare for 395 services in 2024
CMS data shows 395 Medicare services from Dr. Thomas across 5 procedure codes in 2024, for 197 Medicare patients. Medicare paid $26,562 for them. Every service was in an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2872024: 2725%
- Surgery
- 2023: 962024: 12328%
Dr. Thomas compared with the Illinois median for ophthalmologists, 2024
- Dr. Thomas
- Illinois median
- Medicare services
- 395vs 1,54474% below
- Medicare patients
- 197vs 57766% below
- Part D claims
- 78vs 58287% below
Medians across 710 ophthalmologists in Illinois with Dmand AI profiles that report each measure.
Dr. Thomas' 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. Thomas and other ophthalmologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine Jane Thomas treated 197 Medicare patients in 2024, average age 70
CMS counts 197 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have diabetes, and 75% have high blood pressure. 69% are also on Medicaid. Their average risk score is 2.23, 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. Thomas' median patient age at 69, with 48% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women10453%
- Men9347%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol61%
- Chronic kidney disease42%
- Arthritis36%
- Ischemic heart disease27%
- Heart failure22%
- Cancer14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' 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
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine Jane Thomas wrote 156 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 156 Medicare Part D claims for 48 patients. 50% of them were for generic drugs. CMS names the drug for 78 of them, across 3 drugs with 11 or more claims each, at $82,127 in total drug cost. In 2023, CMS named 46 claims across 3 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic78 claims50%
- Brand-name78 claims50%
Dr. Thomas' 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: 462024: 7870%
Drugs named by CMS: 3 in 2024, 3 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. Catherine Jane Thomas scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Thomas for performance year 2024, reported as part of a group. Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thomas' MIPS scores, performance year 2024
- 95of 100Final score
- 74.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 85of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
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. Catherine Jane Thomas received $1,593 in industry payments from 2017 to 2025
CMS Open Payments shows 24 general payments to Dr. Thomas from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 94% of the total. Alcon Laboratories Inc paid the most, $989.
General payments to Dr. Thomas by program year, 2017 to 2025
General payments to Dr. Thomas by kind, 2017 to 2025
- Food and beverage$1,49594%
- Education$986%
Companies that paid Dr. Thomas the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Catherine Jane Thomas'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Catherine Jane Thomas
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. Catherine Jane Thomas' NPI number?
Dr. Catherine Jane Thomas' NPI number is 1013362888. It was assigned on April 29, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Jane Thomas?
Dr. Catherine Jane Thomas is an ophthalmologist in Chicago, Illinois. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Catherine Jane Thomas practice?
Dr. Thomas practices at 1901 W Harrison St, Chicago, IL 60612. Dr. Thomas' primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. Dmand AI also links Dr. Thomas to 2 group practices and clinics and 1 medical group.
What is Dr. Catherine Jane Thomas' office phone number?
The practice phone on file for Dr. Thomas is (312) 864-6000.
What is Dr. Catherine Jane Thomas' medical license number?
Dr. Thomas holds Illinois license 036152053.
Which hospitals is Dr. Catherine Jane Thomas affiliated with?
Dr. Thomas practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois.
What medical group is Dr. Catherine Jane Thomas part of?
Dr. Thomas is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Thomas to 1 more medical group.
Does Dr. Catherine Jane Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 395 services in 2024, and Dr. Thomas accepts Medicare assignment.
What is Dr. Catherine Jane Thomas' MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does Dr. Catherine Jane Thomas see?
CMS counts 197 Medicare patients who saw Dr. Thomas in 2024, with an average age of 70.
Show 4 more questionsShow fewer questions
What services does Dr. Catherine Jane Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were eye exam or test (92014), surgery: eye (67028) and eye exam or test (92012).
What drugs does Dr. Catherine Jane Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Latanoprost, Dorzolamide HCl and Vabysmo.
Has Dr. Catherine Jane Thomas received payments from drug or device companies?
CMS Open Payments shows $1,593 in general payments to Dr. Thomas from 8 companies from 2017 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Catherine Jane Thomas been practicing?
Dr. Thomas graduated from medical school in 2016, 10 years ago.
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