Dr. Thomas A. Stern, MD
- Medicare services, 2024
- 2,356
- Medicare patients, 2024
- 298
- Part D claims, 2024
- 3,310
- Hospital affiliations
- 2
- Industry payments
- $2,582
- Practice address
- 2215 Sanders Rd, Northbrook, IL 60062
- Practice phone
- Call (847) 501-5060
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Winnetka Avenue Physicians, SC
Northbrook, Illinois
Find Dr. Stern'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. Stern is an internist in Northbrook, Illinois
Dr. Stern practices at Winnetka Avenue Physicians, SC in Northbrook, Illinois.
Dr. Stern's NPI, 1477592665, was assigned on June 5, 2006. Dr. Stern graduated from Tufts University School of Medicine in 1981. Dr. Stern holds Illinois license 036-068539.
- NPI
- 1477592665NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002826781
- NPI enumeration date
- June 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 501-5060
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas A. Stern practices at Winnetka Avenue Physicians, SC in Northbrook, Illinois
Dr. Stern's primary practice is Winnetka Avenue Physicians, SC, at 2215 Sanders Rd, Northbrook, IL 60062 in Cook County. The practice phone is (847) 501-5060.
- Winnetka Avenue Physicians, SC2215 Sanders Rd, Northbrook, IL 60062 · Cook CountyPhone(847) 501-5060
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas A. Stern is affiliated with 9 sites of care and 3 medical groups
Dr. Stern's primary practice is Winnetka Avenue Physicians, SC in Northbrook, Illinois. Dr. Stern is also affiliated with Evanston Hospital. The medical group on file is Winnetka Avenue Physicians. Dmand AI also links Dr. Stern to 1 more hospital, 3 group practices and clinics, 2 home health agencies, 2 medical groups and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas A. Stern's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stern practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winnetka Avenue Physicians, SC | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas A. Stern is one of 5,652 internists in Illinois
Internal medicine is Dr. Stern's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Stern is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Stern
Counts of internists 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. Stern billed Medicare for 2,356 services in 2024
CMS data shows 2,356 Medicare services from Dr. Stern across 22 procedure codes in 2024, for 298 Medicare patients. Medicare paid $159,409 for them. Every service was in an office.
Dr. Stern's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8452024: 9037%
- Other services
- 2023: 6672024: 82323%
- Tests and treatments
- 2023: 2532024: 30019%
- Surgery
- 2023: 3082024: 2935%
- Lab and pathology
- 2023: 612024: 3739%
Dr. Stern compared with the Illinois median for internists, 2024
- Dr. Stern
- Illinois median
- Medicare services
- 2,356vs 5664.2 times
- Medicare patients
- 298vs 20843% above
- Part D claims
- 2,732vs 2849.6 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Stern'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.
Need commercial claims for Dr. Stern?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stern and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas A. Stern treated 298 Medicare patients in 2024, average age 75
CMS counts 298 Medicare patients who saw Dr. Stern in 2024. The largest group is 65 to 74, with 150 patients. 54% of them have high blood pressure, and 50% have high cholesterol. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stern's median patient age at 68, with 40% women.
Dr. Stern's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stern's Medicare patients by sex, 2024
- Women14448%
- Men15452%
Chronic conditions among Dr. Stern's Medicare patients, 2024
- High blood pressure54%
- High cholesterol50%
- Arthritis33%
- Anxiety21%
- Ischemic heart disease17%
- Mood disorders16%
- Cancer15%
- Diabetes15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stern's 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
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas A. Stern wrote 3,310 Medicare Part D claims in 2024
In 2024, Dr. Stern wrote 3,310 Medicare Part D claims for 328 patients. 88% of them were for generic drugs. CMS names the drug for 2,732 of them, across 72 drugs with 11 or more claims each, at $252,980 in total drug cost. In 2023, CMS named 2,552 claims across 64 drugs.
Dr. Stern's Part D claims by kind of drug, 2024
- Generic2,909 claims88%
- Brand-name388 claims12%
- Other13 claims0%
Dr. Stern'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.
Drug classes CMS tracks in Dr. Stern's Part D claims, 2024
- Opioids4%130 of 3,310 claims
- Antibiotics2%79 of 3,310 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: 2,5522024: 2,7327%
Drugs named by CMS: 72 in 2024, 64 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
How Dr. Thomas A. Stern takes part in Medicare
Dr. Stern accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas A. Stern received $2,582 in industry payments from 2016 to 2024
CMS Open Payments shows 149 general payments to Dr. Stern from 28 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Pfizer Inc. paid the most, $532.
General payments to Dr. Stern by program year, 2016 to 2024
General payments to Dr. Stern by kind, 2016 to 2024
- Food and beverage$2,55499%
- Education$291%
Companies that paid Dr. Stern 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. Stern graduated from Tufts University School of Medicine
Dr. Stern graduated from Tufts University School of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas A. Stern'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 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)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. Thomas A. Stern
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. Stern's NPI number?
Dr. Thomas A. Stern's NPI number is 1477592665. It was assigned on June 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas A. Stern?
Dr. Thomas A. Stern is an internist in Northbrook, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thomas A. Stern practice?
Dr. Stern practices at 2215 Sanders Rd, Northbrook, IL 60062. Dr. Stern's primary practice is Winnetka Avenue Physicians, SC in Northbrook, Illinois. Dmand AI also links Dr. Stern to 1 hospital, 3 group practices and clinics, 2 home health agencies, 2 medical groups and 1 hospice.
What is Dr. Thomas A. Stern's office phone number?
The practice phone on file for Dr. Stern is (847) 501-5060.
What is Dr. Thomas A. Stern's medical license number?
Dr. Stern holds Illinois license 036-068539.
Which hospitals is Dr. Thomas A. Stern affiliated with?
Dr. Stern is affiliated with Evanston Hospital. Dmand AI links Dr. Stern to 1 more hospital.
What medical group is Dr. Thomas A. Stern part of?
Dr. Stern is linked to Winnetka Avenue Physicians. Dmand AI links Dr. Stern to 2 more medical groups.
Does Dr. Thomas A. Stern accept Medicare?
Yes. CMS data shows Dr. Stern billed Medicare for 2,356 services in 2024, and Dr. Stern accepts Medicare assignment.
How many Medicare patients does Dr. Thomas A. Stern see?
CMS counts 298 Medicare patients who saw Dr. Stern in 2024, with an average age of 75.
What services does Dr. Thomas A. Stern bill to Medicare?
In 2024, Dr. Stern's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and office visit, established patient (99215).
Show 4 more questionsShow fewer questions
Where did Dr. Thomas A. Stern go to medical school?
Dr. Stern graduated from Tufts University School of Medicine in 1981.
What drugs does Dr. Thomas A. Stern prescribe most?
In 2024 Medicare Part D data, Dr. Stern's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Lisinopril.
Has Dr. Thomas A. Stern received payments from drug or device companies?
CMS Open Payments shows $2,582 in general payments to Dr. Stern from 28 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Thomas A. Stern been practicing?
Dr. Stern graduated from medical school in 1981, 45 years ago.
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