Dr. Kathryn M. Thomas, MD
- Medicare services, 2024
- 4,764
- Medicare patients, 2024
- 1,126
- Part D claims, 2024
- 2,489
- MIPS score, 2024
- 85
- Hospital affiliations
- 3
- Practice address
- 2650 Ridge Ave, Evanston, IL 60201
- Practice phone
- Call (847) 570-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomas' professional email, personal email and mobile number
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Dr. Kathryn M. Thomas is a dermatologist in Evanston, Illinois
Dr. Thomas practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Dr. Thomas' NPI, 1528019692, was assigned on May 13, 2006. Dr. Thomas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1992. Dr. Thomas holds Illinois license 036092936.
- NPI
- 1528019692NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800926833
- NPI enumeration date
- May 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 570-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathryn M. Thomas practices at Evanston Hospital in Evanston, Illinois
Dr. Thomas' primary practice is Evanston Hospital, at 2650 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-2000.
- Evanston Hospital2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-2000
Source: Dmand AI Affiliation Data
Dr. Kathryn M. Thomas is affiliated with 5 sites of care and 2 medical groups
Dr. Thomas' primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dr. Thomas is also affiliated with Edward Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Dr. Thomas to 1 more hospital, 2 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. Kathryn M. Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evanston Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathryn M. Thomas is one of 564 dermatologists in Illinois
Dermatology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Thomas is licensed in Illinois.
Specialties and state licenses
- Dermatology, IllinoisPrimary
Dermatologists near Dr. Thomas
Counts of dermatologists 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. Kathryn M. Thomas billed Medicare for 4,764 services in 2024
CMS data shows 4,764 Medicare services from Dr. Thomas across 14 procedure codes in 2024, for 1,126 Medicare patients. Medicare paid $204,923 for them. Every service was in an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2,8472024: 2,7713%
- Office and hospital visits
- 2023: 1,7152024: 1,712No change
- Other services
- 2023: 02024: 281
Dr. Thomas compared with the Illinois median for dermatologists, 2024
- Dr. Thomas
- Illinois median
- Medicare services
- 4,764vs 1,7792.7 times
- Medicare patients
- 1,126vs 4912.3 times
- Part D claims
- 2,249vs 4055.6 times
Medians across 526 dermatologists 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 dermatologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathryn M. Thomas treated 1,126 Medicare patients in 2024, average age 76
CMS counts 1,126 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 517 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 68, with 65% women.
Dr. Thomas' Medicare patients by age, 2024
Dr. Thomas' Medicare patients by sex, 2024
- Women67960%
- Men44740%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis46%
- Ischemic heart disease27%
- Diabetes21%
- Cancer20%
- Chronic kidney disease19%
- Anxiety18%
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 68
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathryn M. Thomas wrote 2,489 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 2,489 Medicare Part D claims for 759 patients. 93% of them were for generic drugs. CMS names the drug for 2,249 of them, across 44 drugs with 11 or more claims each, at $578,447 in total drug cost. In 2023, CMS named 2,007 claims across 40 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic2,325 claims93%
- Brand-name and other164 claims7%
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.
Drug classes CMS tracks in Dr. Thomas' Part D claims, 2024
- Opioids1%21 of 2,489 claims
- Antibiotics10%241 of 2,489 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: 2,0072024: 2,24912%
Drugs named by CMS: 44 in 2024, 40 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. Kathryn M. Thomas scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 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. CMS counts 963 procedures of removal of skin lesions by Dr. Thomas, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Thomas' MIPS scores, performance year 2024
- 85of 100Final score
- 75.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Thomas ranks in Medicare procedure volume
- Removal of skin lesions
- 93rd percentile963 procedures
- Skin biopsy
- 88th percentile259 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 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. Kathryn M. Thomas received $3,865 in industry payments from 2016 to 2025
CMS Open Payments shows 250 general payments to Dr. Thomas from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Abbvie Inc. paid the most, $859.
General payments to Dr. Thomas by program year, 2016 to 2025
General payments to Dr. Thomas by kind, 2016 to 2025
- Food and beverage$3,47890%
- Education$38710%
Companies that paid Dr. Thomas 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. Kathryn M. Thomas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. Thomas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathryn M. 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) |
| 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. Kathryn M. 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. Kathryn M. Thomas' NPI number?
Dr. Kathryn M. Thomas' NPI number is 1528019692. It was assigned on May 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathryn M. Thomas?
Dr. Kathryn M. Thomas is a dermatologist in Evanston, Illinois. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Kathryn M. Thomas practice?
Dr. Thomas practices at 2650 Ridge Ave, Evanston, IL 60201. Dr. Thomas' primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dmand AI also links Dr. Thomas to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Kathryn M. Thomas' office phone number?
The practice phone on file for Dr. Thomas is (847) 570-2000.
What is Dr. Kathryn M. Thomas' medical license number?
Dr. Thomas holds Illinois license 036092936.
Which hospitals is Dr. Kathryn M. Thomas affiliated with?
Dr. Thomas practices at Evanston Hospital in Evanston, Illinois. Dr. Thomas is also affiliated with Edward Hospital. Dmand AI links Dr. Thomas to 1 more hospital.
What medical group is Dr. Kathryn M. Thomas part of?
Dr. Thomas is linked to Endeavor Health Medical Group. Dmand AI links Dr. Thomas to 1 more medical group.
Does Dr. Kathryn M. Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 4,764 services in 2024, and Dr. Thomas accepts Medicare assignment.
What is Dr. Kathryn M. Thomas' MIPS score?
Dr. Thomas' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Kathryn M. Thomas see?
CMS counts 1,126 Medicare patients who saw Dr. Thomas in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Kathryn M. Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).
Where did Dr. Kathryn M. Thomas go to medical school?
Dr. Thomas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1992.
What drugs does Dr. Kathryn M. Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Doxycycline Hyclate.
Has Dr. Kathryn M. Thomas received payments from drug or device companies?
CMS Open Payments shows $3,865 in general payments to Dr. Thomas from 21 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Kathryn M. Thomas been practicing?
Dr. Thomas graduated from medical school in 1992, 34 years ago.
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