Electronic Health RecordsPersonal SatisfactionPhysicians
Dr. Jeffrey Reid Trimark, MD
NPI1295781680PAC ID5395933790
- Medicare services, 2024
- 323
- Medicare patients, 2024
- 112
- Part D claims, 2024
- 1,962
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 915 S Waukegan Rd, Lake Forest, IL 60045
- Practice phone
- Call (847) 570-5235
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northshore University Healthsystem Faculty Practice Associates
Lake Forest, Illinois
Find Dr. Trimark's professional email, personal email and mobile number
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Dr. Jeffrey Reid Trimark is an internist in Lake Forest, Illinois
Dr. Trimark practices at Northshore University Healthsystem Faculty Practice Associates in Lake Forest, Illinois.
Dr. Trimark's NPI, 1295781680, was assigned on May 26, 2006. Dr. Trimark graduated from University of Chicago, Pritzker School of Medicine in 1992. Dr. Trimark holds Illinois license 036157173.
NPI and contact details
- NPI
- 1295781680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395933790
- NPI enumeration date
- May 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 570-5235
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Reid Trimark practices at Northshore University Healthsystem Faculty Practice Associates in Lake Forest, Illinois
Dr. Trimark's primary practice is Northshore University Healthsystem Faculty Practice Associates, at 915 S Waukegan Rd, Lake Forest, IL 60045 in Lake County. The practice phone is (847) 570-5235.
- Northshore University Healthsystem Faculty Practice Associates915 S Waukegan Rd, Lake Forest, IL 60045 · Lake CountyPhone(847) 570-5235
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jeffrey Reid Trimark is affiliated with 4 sites of care and 1 medical group
Dr. Trimark's primary practice is Northshore University Healthsystem Faculty Practice Associates in Lake Forest, Illinois. Dr. Trimark is also affiliated with Evanston Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Dr. Trimark to 1 more hospital and 1 group practice or clinic, each named with a free account.
Northshore University Healthsystem Faculty Practice AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jeffrey Reid Trimark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trimark practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northshore University Healthsystem Faculty Practice Associates | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Reid Trimark is one of 5,652 internists in Illinois
Internal medicine is Dr. Trimark's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Trimark's licenses on file in 2 states: Illinois and Wisconsin.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
- Wisconsin license
Internists near Dr. Trimark
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. Jeffrey Reid Trimark billed Medicare for 323 services in 2024
CMS data shows 323 Medicare services from Dr. Trimark across 7 procedure codes in 2024, for 112 Medicare patients. Medicare paid $22,079 for them. Every service was in an office.
Medicare services, 2024323
Medicare patients112
Paid by Medicare$22,079
Procedure codes7
Dr. Trimark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2562024: 19723%
- Other services
- 2023: 692024: 12683%
Dr. Trimark compared with the Illinois median for internists, 2024
- Dr. Trimark
- Illinois median
- Medicare services
- 323vs 56643% below
- Medicare patients
- 112vs 20846% below
- Part D claims
- 1,521vs 2845.4 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Trimark'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. Trimark?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Trimark and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Reid Trimark treated 112 Medicare patients in 2024, average age 78
CMS counts 112 Medicare patients who saw Dr. Trimark in 2024. The largest group is 65 to 74, with 42 patients. 74% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Trimark's median patient age at 64, with 36% women.
Medicare patients, 2024112
Average age78
Average risk score1.33
Dr. Trimark's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Trimark's Medicare patients by sex, 2024
- Women5549%
- Men5751%
Chronic conditions among Dr. Trimark's Medicare patients, 2024
- High cholesterol74%
- High blood pressure72%
- Arthritis54%
- Mood disorders36%
- Chronic kidney disease34%
- Depression30%
- Anxiety26%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Trimark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey Reid Trimark wrote 1,962 Medicare Part D claims in 2024
In 2024, Dr. Trimark wrote 1,962 Medicare Part D claims for 178 patients. 82% of them were for generic drugs. CMS names the drug for 1,521 of them, across 53 drugs with 11 or more claims each, at $201,636 in total drug cost. In 2023, CMS named 1,026 claims across 39 drugs.
Part D claims, 20241,962
Drugs named by CMS53
Total drug cost$201,636
Part D patients178
Dr. Trimark's Part D claims by kind of drug, 2024
- Generic1,607 claims82%
- Brand-name324 claims17%
- Other31 claims2%
Dr. Trimark'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. Trimark's Part D claims, 2024
- Opioids1%15 of 1,962 claims
- Antibiotics2%45 of 1,962 claims
- Antipsychotics, patients 65 and over2%34 of 1,962 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: 1,0262024: 1,52148%
Drugs named by CMS: 53 in 2024, 39 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. Jeffrey Reid Trimark offers telehealth to Medicare patients
Dr. Trimark accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Trimark as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jeffrey Reid Trimark has 1 publication on record
Dmand AI links 1 paper to Dr. Trimark in 2024. Dr. Trimark's most frequent co-author is Stacy Suzanne Brown, MD.
Papers1
Dr. Trimark's most frequent co-authors
Recent publications by Dr. Trimark
See who Dr. Trimark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Trimark works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jeffrey Reid Trimark received $88 in industry payments from 2017 to 2018
CMS Open Payments shows 5 general payments to Dr. Trimark from 3 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $31.
General payments to Dr. Trimark by program year, 2017 to 2018
Companies that paid Dr. Trimark the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey Reid Trimark graduated from University of Chicago, Pritzker School of Medicine
Dr. Trimark graduated from University of Chicago, Pritzker School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey Reid Trimark'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Jeffrey Reid Trimark
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. Jeffrey Reid Trimark's NPI number?
Dr. Jeffrey Reid Trimark's NPI number is 1295781680. It was assigned on May 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Reid Trimark?
Dr. Jeffrey Reid Trimark is an internist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jeffrey Reid Trimark practice?
Dr. Trimark practices at 915 S Waukegan Rd, Lake Forest, IL 60045. Dr. Trimark's primary practice is Northshore University Healthsystem Faculty Practice Associates in Lake Forest, Illinois. Dmand AI also links Dr. Trimark to 1 hospital and 1 group practice or clinic.
What is Dr. Jeffrey Reid Trimark's office phone number?
The practice phone on file for Dr. Trimark is (847) 570-5235.
What is Dr. Jeffrey Reid Trimark's medical license number?
Dr. Trimark holds Illinois license 036157173, one of the licenses on file in 2 states.
Which states has Dr. Jeffrey Reid Trimark been licensed in?
Dmand AI has state licenses on file for Dr. Trimark in Illinois and Wisconsin.
Which hospitals is Dr. Jeffrey Reid Trimark affiliated with?
Dr. Trimark is affiliated with Evanston Hospital. Dmand AI links Dr. Trimark to 1 more hospital.
What medical group is Dr. Jeffrey Reid Trimark part of?
Dr. Trimark is linked to Endeavor Health Medical Group.
Does Dr. Jeffrey Reid Trimark accept Medicare?
Yes. CMS data shows Dr. Trimark billed Medicare for 323 services in 2024, and Dr. Trimark accepts Medicare assignment.
Does Dr. Jeffrey Reid Trimark offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Trimark as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Jeffrey Reid Trimark see?
CMS counts 112 Medicare patients who saw Dr. Trimark in 2024, with an average age of 78.
What services does Dr. Jeffrey Reid Trimark bill to Medicare?
In 2024, Dr. Trimark's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Jeffrey Reid Trimark go to medical school?
Dr. Trimark graduated from University of Chicago, Pritzker School of Medicine in 1992.
What drugs does Dr. Jeffrey Reid Trimark prescribe most?
In 2024 Medicare Part D data, Dr. Trimark's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Jeffrey Reid Trimark received payments from drug or device companies?
CMS Open Payments shows $88 in general payments to Dr. Trimark from 3 companies from 2017 to 2018. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Jeffrey Reid Trimark been practicing?
Dr. Trimark graduated from medical school in 1992, 34 years ago.
Does Dr. Jeffrey Reid Trimark do research?
Dmand AI links 1 publication to Dr. Trimark.
Who does Dr. Jeffrey Reid Trimark publish with?
Dr. Trimark's most frequent co-authors are Stacy Suzanne Brown, MD (1 shared paper).
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