Dr. Vasilios Kalas, MD, PhD
- Medicare patients, 2024
- 14
- Part D claims, 2022
- 11
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Industry payments
- $1,107
- Practice address
- 1000 N Westmoreland Rd, Lake Forest, IL 60045
- Practice phone
- Call (847) 234-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Catherine Gratz Griffin Lake Forest Hospital
Lake Forest, Illinois
Find Dr. Kalas' 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. Vasilios Kalas is a hospitalist in Lake Forest, Illinois
Dr. Kalas practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
Dr. Kalas' NPI, 1699302521, was assigned on March 23, 2020. Dr. Kalas graduated from Washington University School of Medicine in 2020. Dr. Kalas holds Illinois license 036164255.
- NPI
- 1699302521NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254754500
- NPI enumeration date
- March 23, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 234-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vasilios Kalas practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois
Dr. Kalas' primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital, at 1000 N Westmoreland Rd, Lake Forest, IL 60045 in Lake County. The practice phone is (847) 234-5600.
- Northwestern Catherine Gratz Griffin Lake Forest Hospital1000 N Westmoreland Rd, Lake Forest, IL 60045 · Lake CountyPhone(847) 234-5600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Vasilios Kalas is affiliated with 3 sites of care and 1 medical group
Dr. Kalas' primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dr. Kalas is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Kalas to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Vasilios Kalas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kalas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Catherine Gratz Griffin Lake Forest Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vasilios Kalas is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Kalas' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Kalas is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Kalas
Counts of hospitalists 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. Vasilios Kalas treated 14 Medicare patients in 2024, average age 81
CMS counts 14 Medicare patients who saw Dr. Kalas in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure. Their average risk score is 2.17, 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. Kalas' median patient age at 78, with 38% women.
Dr. Kalas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Kalas' Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kalas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women38%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Vasilios Kalas wrote 11 Medicare Part D claims in 2022
In 2022, Dr. Kalas wrote 11 Medicare Part D claims. They cover 1 drug, with $129 in total drug cost.
Dr. Kalas' most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Vasilios Kalas 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. Kalas for performance year 2024, reported through an alternative payment model (APM). Dr. Kalas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kalas' MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Vasilios Kalas received $1,107 in industry payments from 2022 to 2025
CMS Open Payments shows 12 general payments to Dr. Kalas from 7 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $242.
General payments to Dr. Kalas by program year, 2022 to 2025
Companies that paid Dr. Kalas the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vasilios Kalas graduated from Washington University School of Medicine
Dr. Kalas graduated from Washington University School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Vasilios Kalas'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (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. Vasilios Kalas
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. Vasilios Kalas' NPI number?
Dr. Vasilios Kalas' NPI number is 1699302521. It was assigned on March 23, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Vasilios Kalas?
Dr. Vasilios Kalas is a hospitalist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Vasilios Kalas practice?
Dr. Kalas practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Dr. Kalas' primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dmand AI also links Dr. Kalas to 1 group practice or clinic.
What is Dr. Vasilios Kalas' office phone number?
The practice phone on file for Dr. Kalas is (847) 234-5600.
What is Dr. Vasilios Kalas' medical license number?
Dr. Kalas holds Illinois license 036164255.
Which hospitals is Dr. Vasilios Kalas affiliated with?
Dr. Kalas is affiliated with Northwestern Memorial Hospital.
What medical group is Dr. Vasilios Kalas part of?
Dr. Kalas is linked to Northwestern Medical Faculty Foundation.
Does Dr. Vasilios Kalas accept Medicare?
Yes. CMS lists Dr. Kalas as accepting Medicare assignment.
What is Dr. Vasilios Kalas' MIPS score?
Dr. Kalas' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Vasilios Kalas see?
CMS counts 14 Medicare patients who saw Dr. Kalas in 2024, with an average age of 81.
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Where did Dr. Vasilios Kalas go to medical school?
Dr. Kalas graduated from Washington University School of Medicine in 2020.
What drugs does Dr. Vasilios Kalas prescribe most?
In 2022 Medicare Part D data, Dr. Kalas' most prescribed drugs by claims were Nifedipine ER.
Has Dr. Vasilios Kalas received payments from drug or device companies?
CMS Open Payments shows $1,107 in general payments to Dr. Kalas from 7 companies from 2022 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Vasilios Kalas been practicing?
Dr. Kalas graduated from medical school in 2020, 6 years ago.
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